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DF-2 User`s manual - Elpro

1. 9 1 9 1 Auxiliary COM ACIS 9 2 9 1 1 Preparation for mounting ose aise 9 2 9 1 2 Mounting of auxiliary contacts 9 2 9 1 3 Final checking 9 3 9 1 4 Mounting of auxiliary contacts specific for each drive 9 3 9 1 4 1 DP Auxiliary contact s on the load break 9 3 9 1 4 1 1 Available auxiliary COMMAS 9 4 Mounting sa seas 9 4 9 1 4 2 DA K Auxiliary contact s the load break switch 9 5 9 1 4 2 1 Available auxiliary 22222 1 222 2 9 6 9 1 4 2 2 9 6 9 1 4 3 DA K M Auxiliary contact s the load break 9 7 9 1 4 3 1 Available auxiliary 9 8 9 1 4 3 2 5 9 8 9 1 4 4 DA EDN D Auxiliary contact s on the load break switch
2. 4191 3515 vel 1 3515 vl 62 411 45 28 181 1 3515 ON SDVLIOAYSGNN ON AOVLIOAYAGNN GSAV1EC OVA GAWYV ONIYdS ON 109 OVA GAWYV 5 ON OVA pA 1 ewy Bulsojo ZA LA 502 281 89 08 eq 22 rari rad Huds py 4 p 131 Q SGC SwitchGear Company part 3 Numbering of terminals DF D 7 4 2 5 00944 OVA NOILVLNANITV 002 66 OVA HOLIMS 26 16 194 LINVA OVA LOVLNOO OVA LOVLNOO OVA HOLIMS OVA HOLIMS LNO OVA SINOY NO ON LNO OVA SINOY ON NI OVA SINOY NO ON NI OVA NO ON 662 864 261 OVA NO HOLIMS AYVITIXNV 06 68 961 261 161 OVA ON HOLIMS Ovl 651 O
3. 4 13 4 4 3 2 Medium voltage switchgear 1 250 available kits for bus 4 13 BAS 2A 4 13 44 32 27 12 4 14 4 14 4 15 44225 IDS 178015 EAE ERE 4 15 44326 105178016 ERROREEN 4 16 4 4 3 3 Medium voltage switchgear 800 A composed of two cubicles 4 17 4 4 3 3 1 Preparation 4 17 4 4 3 3 2 4 17 4 4 3 4 Medium voltage switchgear 800 composed of three a different uneven number of cubicles 4 18 4 4 3 4 1 4 18 4 4 3 4 2 Assembly 1 4 18 4 4 3 5 Medium voltage switchgear 800 A composed by four or a different even number Of NT 4 19 44 354 4 19 44352
4. 9 22 9 2 2 Mounting of key locks 9 23 9 2 3 Final checking ANd 9 24 9 2 4 Mounting of key locks specific for each drive 9 24 9 2 4 1 DP Key locks on the earth switch 9 24 9 2 4 1 1 Mounting instructions 9 24 9 2 4 2 DP Key lock on the load break switch 9 26 92421 Mounting instructions 9 27 9 2 4 3 DA M Key locks on the load break switch earth Switch 9 28 9 2 4 3 1 Mounting instructions 9 28 9 3 9 29 9 3 1 Preparation for mounting gt 9 29 9 3 2 Mounting of releases 9 30 9 3 3 Final checking 9 30 9 3 4 Mounting of releases specific for each drive mechanism 9 30 9 3 4 1 DP DP M DP A DP A M Shunt trip release the load break switch 9 30 DW602311 9 3 4 1 1 9 3 4 1 2 9 3 4 1 3 9 4 1 9 4 2 9
5. 2 2 2 2 6 DF EUNUK E enerne E ER O 2 2 2 2 7 DF AAD 2 3 2 2 9 siini npinins ienai ia i ie eeni iaiia 2 3 2 2 9 DF K kanadian 2 3 2 2 10 2 4 2 2 11 2 4 3 Transport and 3 1 3 1 Safety instructions transport 3 1 DW602311 SGC 3 2 Safety instructions storage 3 1 MNS Veal MENON 4 1 4 1 Safety instructions installation 4 1 4 1 1 General 4 1 4 1 2 Recommendations installation 4 1 4 1 2 1 Floor surface 4 1 4 1 2 2 22 e e iR aaa 4 1 4 1 2 3 Ventilatori 4 2 4 1 2 4 Free height of the installation area 4 2 4 1 2 5 The sizes of the entrance doors of the installation area 4 3 4 1 2 6 Free passage in front of the
6. 5 4 5 2 4 1 Opening the load break switch and closing the earthing switch 5 5 5 2 4 2 Opening the earthing switch and closing the load break switch 5 5 5 2 5 Operating the circuit breaker the 5 6 5 2 6 Operating the low voltage switch 5 6 6 6 1 6 1 Safety instructions 6 1 6 2 Maintenance general 6 1 6 2 1 General checking actions 6 2 6 2 2 Cleaning the DF 2 CuBICIGS 6 2 6 2 2 1 Cleaning the outside 6 2 6 2 2 2 Cleaning 6 2 6 2 2 2 1 Sliding in and out the fix mounted circuit breaker 0 6 3 6 2 2 2 2 Sliding and out the withdrawable circuit breaker 6 4 6 2 3 Lubricating the earthing knife and the damping blocks if present
7. 22224 2111 4 3 4 1 2 7 Internal arc protection 2 2 06 4 3 4 2 reer 4 4 4 3 Erection a 4 5 4 4 Cubicle ASSEMBLY 4 7 4 4 1 Connecting the SGU GIS 4 7 4 4 1 1 Kit as described 4 7 4 4 1 2 4 7 4 4 1 3 Assembly 4 8 4 4 2 Assembly of the earthing copper connection pieces 2 4 9 4 4 2 1 Kit as described 4 9 4 4 2 2 Preparation 4 9 4 4 2 3 Assembly 91 4 9 4 4 3 Fitting the DUS 4 10 4 4 3 1 Medium voltage switchgear 800 available kits for bus bars 4 10 4 4 3 1 1 KitDS178001 as described 4 10 4 4 3 1 2 Kit DS178003 as described 4 11 4 4 3 1 3 KitDS178002 as described 4 11 4 4 3 1 4 KitDS178004 as described 222244 202222 2 4 12 4 4 3 15 KitDS178005 as described 4 12 4 4 3 1 6 KitDS178006 as described
8. OP401001 1x auxiliary contact wheel left handed model on carrier plate for one auxiliary contact OP401011 1x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP401100 1x auxiliary contact shaft right handed model on carrier plate for one auxiliary contact OP401101 1x auxiliary contact shaft left handed model on carrier plate for one auxiliary contact OP401110 1x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402010 2x auxiliary contact wheel right handed model on carrier plate for two auxiliary contacts OP402011 2x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP402110 2x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402111 2x auxiliary contact shaft left handed model on carrier plate for two auxiliary contacts OP403021 3x auxiliary contact wheel left handed model on carrier plate for three auxiliary contacts OP403121 3x auxiliary contact shaft left handed model on carrier plate for three auxiliary contacts e See following table OP401011 1x auxiliary 1 fig 10 13A contact wheel left handed model on carrier plate for two auxiliary contacts GR041604 GR040909 6798 2 fig 10 13B M4 lock washer DIN 912 M4x6 cylindrical screw
9. 2 2 3 DF D cubicle 2 2 4 DF D W cubicle e See fig 2 03 e See fig 2 04 2 2 5 DF EDN D cubicle 2 2 6 DF EDN LK cubicle e See fig 2 05 e See fig 2 06 2 2 DW60231 1 SGC SwitchGear Company 2 2 7 DF AAD cubicle 2 2 8 DF LK cubicle e See fig 2 07 e See fig 2 08 2 2 9 DF K cubicle See fig 2 09 The given weight is fora cubicle without equipment DW602311 2 3 SGC SwitchGear Company 2 2 10 DF T cubicle e See fig 2 10 The dimensions of the DF T cubicle can vary in function of following factors Transformer power of transformer oil filled or resin casted Cable incoming and outgoing Low voltage equipment The following table shows the standard dimensions of the DF T cubicle 100 160 1 200 1 900 1 0
10. A specially appointed qualified operator I must retain the keys only 4 30 DW602311 SGC SwitchGear Company 4 9 Measuring the phase sequence phase sequence is usually measured between the DF A cubicles Through the voltage indicators fig 4 24A the phase sequence can be measured easily at the front panel e Measure with a voltmeter fig 4 24B between the corresponding phases on the left side of the cubicle If voltage is measured the phase sequence is correct Measuring the voltage between two different phases allows you to check the correctness of the measure Of course in this case a voltage will be measured 4 10 Initial commissioning The actual connection to the power supply and the initial commissioning of the medium voltage switchgear can be done by qualified and trained staff employed by the power supply company only observing the locally applicable safety regulations DW602311 SGC SwitchGear Company Notes 4 32 DW602311 SGC 5 USE 5 1 Safety instructions use e Also see General safety directions and instructions e Use of the medium voltage switchgear is restricted to qualified and trained operators while observing the locally applicable safety instructions and guidelines e Ensure that when using the medium voltage switchgear the
11. 6 5 6 2 4 Switching of the switch es DF 2 cubicles with an interruption function 6 6 6 2 5 Replacing the fuse DF P cubicles 6 6 6 2 6 Emptying the oil tray DF T cubicles with oil filled 5 6 7 7 Connection CIA GIAING 7 1 7 1 Numbering of terminals DF A DF P en DF D part 1 7 1 7 2 Numbering of terminals DF A DF P en DF D part 2 7 2 7 3 Numbering of terminals DF P 3 0 7 3 7 4 Numbering of terminals DF D part 3 7 4 7 5 Numbering of terminals DF A with motor 7 5 DW602311 SGC 8 9 _ SwitchGear Company _ _ SwitchGear Company _ 7 6 Numbering of terminals CT VT 7 6 7 7 Numbering of terminals 7 7 7 8 Numbering of terminals 7 8 DF 2 cubicles and the ennnen 8 1 8 1 Packing materal 8 1 8 2 Disposal of the cubicles 8 1 Mounting
12. 9 9 9 1 4 4 1 Available auxiliary 9 10 9 1 4 4 2 Mounting instructions 9 10 9 1 4 5 DA M Auxiliary contacts for the key lock on the load break switch earth switch9 1 1 9 1 4 5 1 Available 9 12 91452 Mounting 9 12 9 1 4 6 DA Auxiliary contact s the load break switch earth switch 9 13 9 1 4 6 1 Available auxiliary 9 14 9 1 4 6 2 Mounting 9 15 9 1 4 7 DA M Auxiliary contacts the earth switch 2 9 16 9 1 4 7 1 Available auxiliary 9 16 9 1 4 7 2 lt 9 17 9 1 4 8 Auxiliary contact for indicating the status Of 9 18 9 1 4 8 1 Mounting instructions 9 18 9 1 4 9 Auxiliary contact for indicating the status 1 5 5 9 20 9 1 4 9 1 Mounting 9 21 9 2 9 22 9 2 1 Preparation for mounting 2
13. DW602311 SGC SwitchGear Company General safety directions and instructions SwitchGear Company nv does not accept any liability for damage or injury caused by not strictly following the safety directions and instructions or by negligence during the installation the use the maintenance or the repair of the medium voltage switchgear and any accompanying options Depending on the specific user circumstances or options fitted extra safety instructions may be necessary Please contact SwitchGear Company nv immediately if you encounter a potential danger when using the medium voltage switchgear The owner operator of the medium voltage switchgear is fully responsible at all times for following the locally applicable safety directions and guidelines User s manual e Anyone who uses or operates the medium voltage switchgear must know the contents of the user s manual and follow the directions contained in it very closely The owner operator must teach the users in accordance with the user s manual and obey all directions and instructions e Never change the order of the actions to be taken e Always keep the user s manual in the vicinity of the medium voltage switchgear Pictograms and safety symbols Pictograms symbols and instructions fitted to the medium voltage switchgear are a part of the safety equipment They may not therefore be covered or removed and must be present and clearly readable throughout the entire
14. OP401001 1x auxiliary contact wheel left handed model on carrier plate for one auxiliary contact OP401011 1x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP401100 1x auxiliary contact shaft right handed model on carrier plate for one auxiliary contact OP401101 1x auxiliary contact shaft left handed model on carrier plate for one auxiliary contact OP401110 1x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402010 2x auxiliary contact wheel right handed model on carrier plate for two auxiliary contacts OP402011 2x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP402110 2x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402111 2x auxiliary contact shaft left handed model on carrier plate for two auxiliary contacts OP403021 3x auxiliary contact wheel left handed model on carrier plate for three auxiliary contacts OP403121 3x auxiliary contact shaft left handed model on carrier plate for three auxiliary contacts e See following table OP402011 N 2x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts fig 10 07A GR041604 DIN 6798A 4 4 lock washer fig 10 07B GR040909 DIN 912 M4x6 cylindrical screw fig 1
15. 9 1 4 8 1 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively 9 18 DW602311 SGC SwitchGear Company Place the cylindrical screw fig 10 18D into the indicator fig 10 18H Screw the lock nut fig 10 18F onto the screw Tighten the lock nut as much as possible until the indicator can still turn freely on the screw Screw the nut fig 10 18 about 1 cm onto the screw Place the screw with the indicator into the carrier plate of the auxiliary contact fig 10 18A Fix the screw on the carrier plate using the hexagon nut fig 10 18 Screw the hexagon nut fig 10 18 onto the screw fig 10 186 Tighten the nut until about 3 mm from the screw head Place the nylon bearing bush fig 10 181 onto the screw Screw the hexagon nut fig 10 18 onto the screw Fully tighten the nut Screw the hexagon nut fig 10 18 about 1 onto the screw Screw the screw fig 10 18G into the shaft fig 10 18K of the tripping mechanism in such a way that the hexagon nut lies against the shaft Fix the screw the shaft using the second hexagon nut fig 10 18E Mount the carrier plate with the auxiliary contact and the indicator using the cylindrical screws fig 10 18C and the lock washers fig 10 18B on the support plate fig 10 18L for the shunt trip release The support p
16. Place the operating handle fig 5 02C on the operating shaft of the load break switch e Turn the operating shaft anticlockwise until the load break switch is heard to open 1 The indicator fig 5 02 the synoptic diagram moves to the 5 02 horizontal position and the earthing switch is automatically unlocked 2 e Place the operating handle fig 5 03C on the operating shaft of the earthing switch e Turn the operating shaft clockwise until the earthing switch is heard to close 1 4 The indicator fig 5 03B the synoptic diagram moves to the vertical position 2 If necessary the door can now be opened Turn anticlockwise open switch I Turn clockwise close switch 5 2 DW602311 SGC SwitchGear Company 5 2 1 2 Opening the earthing switch and closing the load break switch Ensure that the door of the cable compartment is closed N Refitting the door 5 e Place the operating handle fig 5 04C on the operating shaft of the earthing switch lt lt Turn the operating shaft anticlockwise until the earthing switch is heard to open 1 The indicator fig 5 04B on the synoptic diagram moves to the horizontal position 2 Place the operating handle fig 5 05C on the operating shaft of the N load break switch 2 e Turn the o
17. SY9138IS NOLLNG SVOTAIS NOLLNG 35010 5919915 5 18815 5 7 5 a 69 1 i youms a Numbering terminals DF A with motor Sibelgaz 2 221 22 7 5 DW602311 SG SwitchGear Company Numbering of terminals CT VT 7 6 5 AOC ELA 5 AOC CLA 25 5 LLA CS LS AOLL ELA 2515 AOLL CLA 5 AOLL LLA CSE LSE 619 241 LLL 02 691 894 79 99 99 79 291 LOL 82 721 vey rey cSI LSL cSE LSE CLO 256 156 CLO 51 151 CLO CSE LSE LLO 256 156 LLO CSb LSL LLO dL 9 691 9 59 91 LOL zdi Ld zdi vur aur vel EZL SLL LLL SLL vLL ELL ZLL LLL DW602311 7 6 SGC SwitchGear Company Numbering of terminals DF T 7 7 1
18. Slide the grommet rubber fig 4 218 to the correct height on the cable e Connect the earthing cable fig 4 21M using the nut fig 4 21N to the earthing strip DW602311 4 29 SGC SwitchGear Company e Fit the second floor pan fig 4 22A in the cubicle so that the grommet rubber is secured by the two floor pans e Attach the floor pan on either side of the frame with the flange bolt fig 4 22C the lock washer fig 4 220 and the nut fig 4 22E e Attach the second floor pan to the rear floor pan using the hexagonal tap bolts fig 4 220 the lock washer fig 4 22P and the nuts fig 4 22Q e Continue as described earlier Continue to work methodically towards the door opening After assembling the four floor pans and connecting the cables the doors can be refitted on the cubicles 4 8 Refitting the door For refitting the door the load break switch must be the OPEN position the earthing switch must be in the CLOSED position See Operation e Carefully check whether there are any tools or fitting materials left in the cable compartment e Check all connections e Fit the door fig 4 23B of the cable compartment e Grasp the door by the handle with both hands fig 4 23D e Carefully position the door in the supports e Push the door downwards e Lock the door with a reliable padlock fig 4 23C on the locking latch fig 4 23A
19. iii Are viii a viii Pictograms and safety symbols in and the medium voltage viii Pictograms in the documentation n viii Related 7 ix Service and technical x Identification of the 2 2 0 00 000 00000000000000000000000 eee General safety directions and xi xii 1 General GOSCHIOUON 1 1 1 1 DF 2 the 1 1 1 2 Compartmenting 1 2 1 2 1 Bus bar 1 3 1 2 2 Apparatus compartment 20 1 101 0 0 1 0 110 1 3 1 2 2 1 Load break 1 3 1 2 3 Cable compartment 1 3 1 2 3 1 1 3 1 2 3 2 Fuse switch combination 4122200 000000000 000000000080 1 4 1 2 3 3 Circuit breaker 2 1 4 1 2 3 4 Provisions for the fixing of the feeding Cables 1 4 1 2 4 Mechanical drive and low voltage 1
20. 07022611 pan 4 fig 4 18A DF980241 feeding rubber 3 fig 4 18B GR040979 M6x20 flange bolt 8 fig 4 18 yellow galvanised GR041606 DIN 934 M6 lock 9 fig 4 18D washer yellow galvanised GR041006 DIN 934 6 8 fig 4 18E hexagonal nut 4 28 DW602311 4 7 2 Preparation Ensure that the concerned cubicle is voltage free 47 3 Assembly procedures SGC SwitchGear Company e For each cable fitting fig 4 19G loosen the hexagonal tap bolts a few turns so that the cable fitting depth can be adjusted Depending on the thickness of the cable it may be necessary to completely disassemble the cable fittings e Disassemble the clamp fig 4 19F for each cable fitting or loosen them at one side e Fit the rear floor pan fig 4 19A e Attach the floor pan on either side of the frame with the flange bolt fig 4 19C the lock washer fig 4 19D and the nut fig 4 19E a few cuts with a sharp knife in the grommet rubber fig 4 20B e Slide the grommet rubber over the cable sleeve fig 4 20H e Connect the cable to the connecting terminal e Place the washer fig 4 20L on the connecting terminal e Fit the cable using the washer fig 4 20K the lock washer fig 4 20J and the nut fig 4 201 e Refit the clamp fig 4 21F on the cable fitting e Secure the cable fitting by tightening the hexagonal tap bolts on either side
21. oy 9 youms ino siuoy youms Yyoums MOE 062 juaweje ul yams 7 F 3 3 er ees 89 9 8 9 z SGC SwitchGear Company part 2 Numbering of terminals DF A DF P en DF D 7 2 YOLVLS 09 6S VW mr YOLOW 35 0 ON LNO 5 ON NI NYa 5 NI NYa ON YOOd NO ON HOLIMS AYVITIXNV YOOd NO ON HOLIMS 1045 EN s noo pua 4 4 Fi 7 ul pua vur aur 29 19 86 LS DW602311 7 2 SGC SwitchGear Company part 3 Numbering of terminals DF P 7 3
22. ON 026 1 SYNLVYAdWAL 818 OLE 1 FYNLVYAdNAL ON LLE 918 1 9 5 ON GLE ELE NOISSJHd ON VLE ELE 1 14 41 ON ZLE OLE 1 9 1441 ON LLE OLE LIMS 11 LOYLNOO 906 706 g9 ZOE LOE 006 ON ONLAWYV TV THAIZ LOVLNOSD YSAO 808 LOE 906 THAIZ LOVLNOOD 761 407 122 022 ZS vis Loe 20 761 1 1 4 4 149 ainssoid gt 4 4 et t 149 E 61 44 eae 51 a lt lt yams 2 4 e 6 gle ole 014 GOS SOS 204 004 806 905 261 61 7 7 DW602311 SGC SwitchGe
23. fig 4 31A onto the copper contacts fig 4 31E of the load isolation switch e Mount the end pieces fig 4 31D e Mount the upper bars fig 4 31A onto the end pieces DW602311 4 21 SGC SwitchGear Company e Mount the assembly using the fitting material supplied fig 4 31C round head screws 12 55 fig 4 31H lock washers 2 M12 fig 4 310 flat washers 2 M12 fig 4 31F e Tighten the round head screws to a torque of 35 Nm 4 4 3 7 Medium voltage switchgear 1 250 A composed of three or another odd number of cubicles With medium voltage switchgears in which three or another odd number of cubicles must be connected with the double sets of bus bars the second double set of bus bars is fitted onto the first double set of bus bars the fourth onto the third double set of bus bars etc In the last cubicle end cubicle an end piece must be fitted underneath each bar This method applies to all medium voltage boards with an odd number of cells and hence an even number of bar sets 4 4 3 7 1 Preparation Ensure that the entire medium voltage switchgear is voltage free 4 22 DW602311 SGC SwitchGear Company 4 4 3 7 2 Assembly procedures For the contents of the see the table e Fit the double bus bars fig 4 32A and the end pieces fig 4 32D in the way shown onto the copper contacts fig 4 32E of the load isolation switches e Mount the assembly usi
24. left handed model on carrier plate for two auxiliary contacts OP401100 1x auxiliary contact shaft right handed model on carrier plate for one auxiliary contact OP401101 1x auxiliary contact shaft left handed model on carrier plate for one auxiliary contact OP401110 1x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402010 2x auxiliary contact wheel right handed model on carrier plate for two auxiliary contacts OP402011 2x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP402110 2x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402111 2x auxiliary contact shaft left handed model on carrier plate for two auxiliary contacts OP403021 3x auxiliary contact wheel left handed model on carrier plate for three auxiliary contacts OP403121 auxiliary contact shaft left handed model on carrier plate for three auxiliary contacts e See following table OP402110 2x auxiliary 1 contact shaft right handed model on carrier plate for two auxiliary contacts fig 10 05A GR041604 N DIN 6798A M4 lock washer fig 10 05B GR040909 N DIN 912 M4x6 cylindrical screw fig 10 05C DW602311 SGC SwitchGear Company 9 1 4 7 2 Mounting instructions For preparing and finishing work see Preparation for mo
25. 10 18B on the support plate fig 10 18L for the shunt trip release The support plate is provided with holes for this nylon bearing bush The slot in the indicator must be between the nut and the head of the screw fig 10 18G Adjust the screw if necessary e Loosen both hexagonal nuts fig 10 18E and 9 and turn the screw out e Tighten the hexagonal nuts f The shaft fig 10 18J of the auxiliary contact must point down and rest upon the e Check the operation of the auxiliary contact by moving the tripping mechanism up and down by hand 9 2 Key locks Key locks in the form of Ronis locks can be attached to the drive mechanism on different places to lock the shaft of the load break switch and or the shaft of the earth switch In this way the cell is also adequately protected against unintended opening and closing of the switch es involved always involve two locks per switch the left hand lock locks the switch in OPEN position the right hand lock locks the switch in CLOSED position Besides when the key locks are mounted on the load break switch of motor operated drive mechanisms mounting the corresponding auxiliary contacts is obliged See DA M Auxiliary contacts for the key locks on the load break switch earth switch The locking of the switches of the motor operated drive mechanisms must 9 2 1 Preparation for mounting The following preparations must always be taken before you start m
26. A P 6 fig 4 09A L 550 17 5 kV CU317843 Earthing copper 2 fig 4 09B connection piece DF 17 5 24 kV GR017800 set of fitting material 2 fig 4 09 For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces 4 4 3 1 3 Kit DS178002 as described hereunder CU317807 Bus bar DF A P 3 fig 4 10A L 550 17 5 kV CU317843 Earthing copper 1 fig 4 10B connection piece DF 17 5 24 kV GR017800 of fitting material 1 fig 4 10C CU317808 5 block bus bar fig 4 10D DF A P D EDN 17 5 kV For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces DW602311 4 11 SGC SwitchGear Company 4 4 3 1 4 Kit DS178004 as described hereunder CU317807 Bus bar DF A P 6 fig 4 10A L 550 17 5 kV CU317843 Earthing copper 3 fig 4 10B connection piece DF 17 5 24 kV GR017800 set of fitting material 3 fig 4 10C CU317808 Space block bus bar 3 fig 4 10D DF A P D EDN 17 5 kV For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces 4 4 3 1 5 Kit DS178005 as described hereunder CU317811 Bus bar DF D 3 fig 4 09A L 800 17 5 kV CU317843 Earthing copper 1 fig 4 09B connection piece DF 17 5 24 kV GR017800 set of fitting mate
27. are mechanically interlocked to prevent wrong switching operations 1 2 4 2 2 Combination load break switch fuses Depending on the version the load break switch and or the earthing switch are operated manually or electrically Manual operation is done with the operating handle supplied The opening and closing device of the load break switch and the earthing switch have been fitted in one drive mechanism Both switches have their own separate operating shaft The operating shafts are mechanically interconnected to prevent wrong switching operations Hitting bolts connected to a shaft on the top of the fuse ensures that the load break switch opens in case of fuse blowing 1 2 4 3 Options and accessories Various options can be supplied for each cubicle type i See Assembly of options 1 6 DW602311 SGC SwitchGear Company 1 2 5 Cable cubicle The cable cubicle is a cubicle allowing the connection of the feeding cables Depending on the version cubicle is fitted with a bus bar and used as the incoming cubicle of the medium voltage switchgear 1 2 6 Transformer cubicle The transformer cubicle makes its possible to install and connect distribution transformers 1 2 7 Measuring cubicle The measuring cubicle allows the installation of single double or three phase voltage and current transformers used for energy metering 1 2 8 The various DF 2 cubicles 1 2 8 1 Standard equipment per cubicle The DF 2 cubicles d
28. auxiliary contacts e Check that the fitting materials are properly attached e Measure the auxiliary contacts in the closed as well as open position using a multimeter e Connect the auxiliary contacts electronically using the plug connections e Mount the front panel e Put the particular cell into operation earth switch if present OPEN load break switch CLOSED e Put the medium voltage board back into operation 9 1 4 Mounting of auxiliary contacts specific for each drive mechanism 9 1 4 1 Auxiliary contact s on the load break switch For mounting auxiliary contacts on the load break switch of the DP drive mechanism several mounting kits are available The composition of these mounting kits vary depending on factors like number of contacts ordered version left or right handed of the auxiliary contacts type of auxiliary contact shaft or wheel In all cases the auxiliary contacts have already been pre mounted on the carrier plate DW602311 9 3 SGC SwitchGear Company 9 1 4 1 1 Available auxiliary contacts OP401001 1x auxiliary contact wheel left handed model on carrier plate for one auxiliary contact OP401011 1x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP401100 1x auxiliary contact shaft right handed model on carrier plate for one auxiliary contact 401101 1x auxiliary contact sh
29. conditions Never stack cubicles on top of each other Store the cubicles in a dry dust free area DW602311 3 1 SGC SwitchGear Company Notes 3 2 DW602311 SGC 4 INSTALLATION 4 1 Safety instructions installation 4 1 1 General trained operators with strictly observance of the locally applicable safety instructions and guidelines The connection and the putting into service must be done by qualified and authorised staff who are employed by the power supply company Installation of the medium voltage switchgear is restricted to qualified and e Also see General safety directions and instructions e Never leave tools or other material in or on top of the medium voltage switchgear e Install the medium voltage switchgear only in areas that are fully in compliance with the following recommendations according to IEC 60298 4 1 2 Recommendations installation area The IEC recommendations concerning the installation area are divided into recommendations concerning floor surface surrounding conditions ventilation The free height of the installation area sizes of the entrance doors in the installation area The free passage in front of the cubicles The internal arc protection 4 1 2 1 Floor surface The surface on which the medium voltage switchgear must be installed must be sufficiently strong and comple
30. contact must always be placed to protect the under voltage release e Mount the front panel e Put the particular cell into operation earth switch if present OPEN load break switch CLOSED e Put the medium voltage board back into operation 9 4 4 Mounting of under voltage releases specific for each drive mechanism 9 4 4 1 DP DP M DP A DP A M Under voltage release delayed with minutia on the load break switch Special mounting kits are available for mounting an under voltage release The composition of these mounting kits may vary to some extent depending on the release type 9 4 4 1 1 Available release types OP310024 assembled under voltage releases with time delayed 24 VDC DP OP310048 assembled under voltage releases with time delayed 48 VDC DP OP310110 assembled under voltage releases with time delayed 110 VDC DP OP311024 assembled under voltage releases with time delayed 24 VAC DP OP311048 assembled under voltage releases with time delayed 48 VAC DP OP311110 assembled under voltage releases with time delayed 110 VAC DP OP311230 assembled under voltage releases with time delayed 230 VAC DP 9 34 DW602311 SGC SwitchGear Company e See following table OP301230 assembled under voltage releases with 1 fig 10 73A minutia 230 VAC DP GR040972 self locking cylindrical screw socket 2 fig 10 73B 6 10 RIPP 9 4 4 1 2 Mounting instructions For p
31. flexible braid fig 6 01J must stay on the circuit breaker e Disconnect any low voltage connector present on the circuit breaker fig 6 01H e Slide the circuit breaker out of the cable compartment A Avoid damaging the earthing contact fig 6 011 on the circuit breaker slide Carefully slide out the circuit breaker DW602311 6 3 SGC SwitchGear Company Now the circuit breaker has been removed from the cubicle the relay of the circuit breaker can be tested easily The following applies for sliding in the fix mounted circuit breaker Place the circuit breaker with its rear wheels in the transport rails fig 6 01G Slide the circuit breaker against the rear stop of the guides Connect any low voltage connector present on the circuit breaker fig 6 01H Loosen the bottom connections of the circuit breaker e Place the connection against the connecting contact fig 6 01F e Secure the whole assembly with the hexagonal tap bolt fig 6 01C the lock washer fig 6 01A the flat washer fig 6 01E and the nut fig 6 01D Fasten the top connections of the circuit breaker e Place the connection against the connecting contact fig 6 01B e Secure the whole assembly with the hexagonal tap bolt fig 6 01C the lock washer fig 6 01A the flat washer fig 6 01E and the nut fig 6 01D Fit the door of the cable compartment See Refitting the door Lock the door with a reliable padlock Put the cubicle bac
32. mechanism the levers fig 6 05F should not be trapped or show signs of defect Fit the door of the cable compartment See Refitting the door Lock the door with a reliable padlock Put the medium voltage switchgear back into operation 6 2 6 Emptying the oil tray DF T cubicles with oil filled transformers Regularly check the level of the oil in the tray When necessary dispose off the oil in an environmentally friendly way DW602311 6 7 SGC SwitchGear Company Notes 6 8 DW602311 GC O SwitchGear Company CONNECTION DIAGRAMS 7 1 Numbering of terminals DF A DF P en DF D 7 1 AODNVLSISSY ONILVSH OOL 66 HOLIMS AYVITIXNY 82 72 LINO SINOY ON NO HOLIMS OL SINOY NO HOLIMS SINOY NO 1 NO ON HOLIMS SINOY 1 NO ON HOLIMS AYVITIXNY OL 6 0 19 SINOY ge ZE 1 NO ON HOLIMS 87 04 3 SINOY 1 NO HOLIMS AYVITIXNY SINOY 1 ON HOLIMS OCWA SINOY NO 1 NO ON HOLIMS AYVITIXNY po 2 07 2 4 8 9 7
33. specific for each drive mechanism 9 3 3 Final checking and commissioning The following actions must always be carried out after mounting the shunt trip release e Check that the fitting materials are properly attached e Electrically connect the shunt trip release e Measure the shunt trip release using a multimeter If the shunt trip release is supplied by an external power source an auxiliary contact must always be placed e Mount the front panel e Put the particular cell into operation earth switch if present OPEN load break switch CLOSED e Put the medium voltage board back into operation 9 3 4 Mounting of shunt trip releases specific for each drive mechanism 9 3 4 1 DP DP M DP A DP A M Shunt trip release on the load break switch Special mounting kits are available for mounting the shunt trip release The composition of these mounting kits may vary to some extent depending on the release type 9 3 4 1 1 Available release types OP210024 shunt trip release 24 VDC DP OP210048 shunt trip release 48 VDC DP OP210110 shunt trip release 110 VDC DP OP211110 shunt trip release 110 VAC DP OP211230 shunt trip release 230 VAC DP 9 30 DW602311 SGC SwitchGear Company e See following table OP200110 shunt trip release 5 110 VDC fig 10 70A 1 5 040909 DIN 912 4 6 cylindrical screw 2 fig 10 70B GR041604 DIN 6798A M4 lock washer 2 fig 10 70C
34. 0 072 9 1 4 5 2 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively 9 12 DW602311 SGC SwitchGear Company e Mount the carrier plate with the auxiliary contacts fig 10 08A using the cylindrical screws fig 10 08B and the lock washers fig 10 08 on the front plate fig 10 080 The front plate is provided with holes for this When there are key locks fig 10 08E on the load break switch an auxiliary contact must always be mounted 9 1 4 6 DA Auxiliary contact s the load break switch earth switch For mounting auxiliary contacts on the load break switch and or earth switch of the DA drive mechanism several mounting kits are available The composition of these mounting kits vary depending on factors such as number of contacts ordered version left or right handed of the auxiliary contacts type of auxiliary contact shaft or wheel In all cases the auxiliary contacts have already been pre mounted on the carrier plate DW602311 9 13 SGC SwitchGear Company 9 1 4 6 1 Available auxiliary contacts OP401001 1x auxiliary contact wheel left handed model on carrier plate for one auxiliary contact OP401011 1x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP401100 1x auxiliary cont
35. 0 16B on the support plate fig 10 16D for the shunt trip release The support plate is provided with holes for this A Avoid damaging the auxiliary contact by the indicator fig 10 16E Ensure that the wheel of the auxiliary contact is pointing down 9 1 4 2 DA K Auxiliary contact s on the load break switch For mounting auxiliary contacts on the load break switch of the DA K drive mechanism several mounting kits are available The composition of these mounting kits vary depending on factors such as number of contacts ordered version left or right handed of the auxiliary contacts type of auxiliary contact shaft or wheel In all cases the auxiliary contacts have already been pre mounted on the carrier plate DW602311 9 5 SGC SwitchGear Company 9 1 4 2 1 Available auxiliary contacts OP401001 1x auxiliary contact wheel left handed model on carrier plate for one auxiliary contact OP401011 1x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP401100 1x auxiliary contact shaft right handed model on carrier plate for one auxiliary contact OP401101 1x auxiliary contact shaft left handed model on carrier plate for one auxiliary contact OP401110 1x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402010 2x auxiliary contact wheel right handed model on carrier
36. 012 500 4 837 630 5 745 800 6 787 1 000 7 875 1 250 10 350 1 600 12 450 2 000 16 125 4 1 2 4 Free height of the installation area The free height of the installation area must be at least 2 200 mm Local power supply companies may however require more free height Always observe these requirements An ideal and generally accepted value is 2 500 mm With dry type transformers with a capacity of 1 250 KVA the free height must least 2 500 mm 4 2 DW602311 SGC SwitchGear Company 4 1 2 5 The sizes of the entrance doors of the installation area The dimensions given apply for all doors accessing the installation area These minimum door sizes therefore also apply when the installation area is not directly accessible from the outside Height of the entrance door Min 2 200 mm Width of the entrance door Min 100 mm width of the widest cubicle 8 If the medium voltage switchgear does not contain transformer cubicle s minimum door height of 2 000 mm will be sufficient If a transformer cubicle is included refer to the transformer dimensions For the correct dimensions of the various cubicles see Dimensions and weights If the medium voltage switchgear must be installed in basements or storage basements an entrance hatch must be supplied whose length as well as width is at least 400 mm larger than the dimensions of the largest cubicle or the transformer 4 1 2 6 Free passage in f
37. 317812 Bus bar DF EDND L 850 17 5 kV fig 4 10A CU317843 Earthing copper connection piece DF 17 5 24 kV fig 4 10B GR017804 set of fitting material fig 4 10 CU317808 Space block bus bar DF A P D EDN 17 5 kV fig 4 100 For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces li 4 4 3 2 3 Kit DS178013 CU317812 Bus bar DF EDND L 850 17 5 kV 4 10A CU317843 Earthing copper connection piece DF 17 5 24 kV 4 10B 17805 set of fitting material 4 10C CU317808 Space block bus bar DF A P D EDN 17 5 kV 4 100 For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces li 4 14 DW602311 SGC SwitchGear Company 4 4 3 2 4 Kit DS178014 CU317812 Bus bar DF EDND 12 fig 4 10A L 850 17 5 kV CU317843 Earthing copper 3 fig 4 10B connection piece DF 17 5 24 kV GR017806 set of fitting material CU317808 5 block bus bar DF A P D EDN 17 5 kV fig 4 10 fig 4 100 O For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces 4 4 3 2 5 Kit DS178015 CU317812 Bus bar DF EDND 6 fig 4 10A L 850 17 5 kV CU317843 Earthing copper 1 fig 4 10B conne
38. 4 3 9 4 4 9 4 4 1 9 4 4 1 1 9 4 4 1 2 DW602311 SGC Available release types 9 30 Mounting instructions 9 31 Electrical monitoring with external 9 33 Under voltage bad 9 33 Preparation for mounting 9 33 Mounting of under voltage releases 9 34 Final checking and commissioning 9 34 Mounting of under voltage releases specific for each drive mechanism 9 34 DP DP M DP A DP A M Under voltage release delayed with minutia on the 9 34 Available release types 9 34 EAEE aa 9 35 vii This document This document is intended as a reference with which qualified and trained operators can transport install use and maintain the medium voltage switchgear in a safe and economic way In this document the definition medium voltage switchgear is used to indicate a random but occurring in practice combination of DF2 cubicles that connected form a customer specific transformation or distribution switchgear For details see General description The chapters and s
39. 5 1 2 4 1 Lea Foe pene eee errr re er 1 5 1 2 4 2 Drive mechanism 1 6 1 2 4 2 1 Combination load break switch earthing 22 1 6 1 2 4 2 2 Combination load break switch 1 6 1 2 4 3 Options 1 6 1 2 5 1 7 1 2 6 Transformer 1 1 7 1 2 7 Measuring 6 1 7 1 2 8 various DF 2 cubicles 1 7 1 2 8 1 Standard equipment cubicle 1 7 1 2 8 2 Short ee 1 8 2 Technical specifications 2 1 2 1 Electrical 2 1 2 2 Dimensions and 2 2 2 2 1 CUDICIS E EE EEE 2 2 2 2 2 DF P GUDICIG 2 2 2 2 3 2 2 2 2 4 GUDIC 2 2 2 2 5
40. 5 x 910 x 20 9 20 DW602311 SGC SwitchGear Company 9 1 4 9 1 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively e Place the cylindrical screw fig 10 18D into the indicator fig 10 18H e Screw the lock nut fig 10 18F onto the screw Tighten the lock nut as much as possible until the indicator can still turn freely on the screw Screw the nut fig 10 48 about 1 cm onto the screw e Place the screw with the indicator into the carrier plate of the auxiliary contact fig 10 18A e Fix the screw on the carrier plate using the hexagon nut fig 10 18 e Screw the hexagon nut fig 10 18E onto the screw fig 10 186 Tighten the nut until about 3 mm from the screw head e Place the nylon bearing bush fig 10 181 onto the screw Screw the hexagon nut fig 10 182 onto the screw Fully tighten the nut e Screw the hexagon nut fig 10 18E about 1 cm onto the screw e Screw the screw fig 10 18G into the shaft fig 10 18K of the tripping mechanism in such a way that the hexagon nut lies against the shaft DW602311 9 21 IFC SwitchGear Company e Fix the screw on the shaft using the second hexagon nut fig 10 18E Mount carrier plate with the auxiliary contact and the indicator using the cylindrical screws fig 10 18C and the lock washers fig
41. 50 1 500 1 900 1 050 250 630 1 400 2 100 1 150 1 800 2 100 1 150 800 1 000 1 800 2 100 1 150 2 000 2 100 1 200 1 250 1 600 12 000 2 100 1 400 2 200 2 200 1 300 2 000 2 500 12 400 2 400 1 500 2 400 2 400 1 400 2 2 11 DF C cubicle e See fig 2 11 The given weight is for a cubicle without equipment 1700 DW602311 SGC 3 TRANSPORT AND STORAGE 3 1 Safety instructions transport Transportation of the cubicles of the medium voltage switchgear is restricted to qualified and trained operators while observing the locally applicable safety instructions and guidelines The cubicles can only be transported internally e Also see General safety directions and instructions e Before transporting the cubicles e Ensure secure attachment of the cubicles to the forklift or hand trolley e Check that all parts especially the doors are attached properly Do not tilt the cubicles but always transport them upright Do not place other objects tools on top of the cubicles to be transported Protect the cubicles from water or damp Cubicles that have fallen over during transport or have otherwise been seriously damaged must always be sent back for control to SwitchGear Company before putting the cubicles into operation 3 2 Safety instructions storage Also see General safety directions and instructions Respect the surrounding conditions See Surrounding
42. 8x30 2 fig 4 04B hexagonal tap bolt yellow galvanised GR040891 DIN 933 M8x100 1 fig 4 04C hexagonal tap bolt yellow galvanised fig 4 04 GR041608 DIN 6798A 8 lock 9 fig 4 040 GR041308 DIN 6923 M8 nut with 9 fig 4 04E collar Ripp class 10 4 4 1 2 Preparation Ensure that the cubicle itself the immediately following and the previous cubicle are voltage free Y e Ensure that the surface is even and flat so that the cubicles stay exactly in line and level Only then a torsion free fitting is possible DW602311 4 7 SGC SwitchGear Company 4 4 1 3 Assembly procedures Connect the cubicles at the height of the roof panels with four hexagonal tap bolts 8 20 fig 4 05A four lock washers 2 8 fig 4 050 and four hexagonal nuts 8 fig 4 05E Hands tighten the assembly Connect the side panels of the cubicles with the two hexagonal tap bolts M8x20 fig 4 05A two hexagonal tap bolts M8x30 fig 4 05B four lock washers 8 fig 4 05D and four hexagonal nuts M8 fig 4 05E Hands tighten the assembly Connect the cubicles at the height of the operation and low voltage compartment with four hexagonal tap bolts M8x100 fig 4 05C lock washer 8 fig 4 050 and hexagonal nut 8 fig 4 05 Properly tighten all bolt nut connections Anchor the remaining cubicle s to the floor See Er
43. Assembly procedures 4 20 4 4 3 6 Medium voltage switchgear 1 250 A composed of two cubicles 4 21 4 4 3 6 1 Preparation 4 21 4 4 3 6 2 4 21 4 4 3 7 Medium voltage switchgear 1 250 A composed of three another odd number CUD ICES isipin rreka aaa aE tenets KENEEN 4 22 iv DW602311 SGC AAS 7A 4 22 44 372 Assembly procedures 4 23 4 4 3 8 Medium voltage switchgear 1 250 A composed by four or another even number 4 24 4 4 3 8 1 Preparation 4 24 4 4 3 8 2 Assembly procedures 4 24 4 4 4 Assembly of the end eS Suse 4 25 4 4 4 1 Kit DF 117500 as described 4 25 4 4 4 2 Preparation eee 4 26 4 4 4 3 Assembly procedures cectansncatiasneteetmensenmarstcnnsenatdinmndatenebetiecesanacarmestins 4 26 4 5 Greasing the earthing switch the earthing knife spoons and the damping blocks4 27 4 6 gener re eer ee ere E err 4 28 4 7 Assembly of the f
44. DF 2 MEDIUM VOLTAGE SWITCHGEAR THE MODULAR CONCEPT User s manual THE SPECIALIST IN MEDIUM VOLTAGE SWITCHGEAR SwitchGear Company nv Moorstraat 24 B 9850 Nevele Tel 32 0 9 321 91 12 Fax 32 0 9 321 91 13 e mail info switchgearcompany be www switchgearcompany be SGC SwitchGear Company 2011 SwitchGear Company nv All rights reserved The information provided may not be reproduced and or published in any way and by any means electronic or mechanical without the prior explicit written authorisation of SwitchGear Company nv The information provided is based on general data concerning the construction known at the time of publication material qualities and working methods so that the right to make changes is reserved The information given is applicable to the standard version of the DF 2 Medium Voltage Switchgear Therefore SwitchGear Company nv cannot be held liable for any damage resulting from specifications that differ from the standard version of the DF 2 Medium Voltage Switchgear The available information has been assembled with the greatest possible care but SwitchGear Company nv cannot be held liable for any mistakes in the information or the consequences thereof The user names trade names trade marks etc used by SwitchGear Company nv in accordance with the legislation concerning the protection of trademarks cannot be considered to be free ii DW602311 SGC CONTENTS E a A T
45. ENVIRONMENT 8 1 Packing material OXY The packing material mainly consists of es Untreated wood Plastic straps Plastic film e Contact the local public cleaning department for the details of recycling or an environmentally friendly way of processing the packing materials e Tender the packing material as instructed separated For Belgium Euro pallets must after installation of the cubicles be returned to I SwitchGear Company nv 8 2 Disposal of the cubicles With a view to the re use of electrical components the RV 44 load break switches filled with 5 5 sulphur hexafluoride could be returned to SwitchGear Company nv at the end of their life or when damaged On consultation complete DF 2 cubicles can also be returned If this is not possible the cubicles must be processed in an environmentally friendly way e Contact the local public cleansing department and tender the material in the prescribed manner separated DW602311 8 1 SGC SwitchGear Company Notes 8 2 DW602311 SGC SwitchGear Company 9 MOUNTING OF OPTIONS For DF 2 cells with an interrupting function various drive mechanisms are available For a complete overview of the scope for each cell type as well as the functioning of the various drive mechanisms see the Technical Brochure order number AG601101 Depending on the drive mechanism present one or more of the following o
46. GR041101 DIN 985 locking nut nylon ring M2 5 1 fig 10 70D GR041004 DIN 934 hexagonal nut M4 2 fig 10 70E GR040420 DIN 933 hexagonal tap bolt M4x20 1 fig 10 70F GR043130 DIN 94 split pin 3 2x20 1 fig 10 70G DP994195 shaft shunt trip release 1 fig 10 70H GR003001 Loctite 270 1 fig 10 701 The mounting material is supplied in a plastic bag 9 3 4 1 2 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively prevent the coils of the shunt trip release fig 10 71A from damaging The support plate fig 10 711 must always be clamped between the release and the screws Never turn the cylindrical screws fig 10 718 directly in the shunt release to DW602311 9 31 SGC SwitchGear Company Dismount the front plate fig 10 716 e Loosen the four hexagonal tap bolts fig 10 71H e Remove the front plate Mount completely pre mounted shunt trip release fig 10 71A e Attach the shunt trip release top side using the cylindrical screws fig 10 71B and the lock washers fig 10 71C behind the support plate fig 10 711 The shaft fig 10 71J of the shunt trip release must point downwards e Put the hexagonal tap bolt fig 10 72F through the disc with the holes fig 10 72L A Leave between the already present hexagonal tap bolt fig 10 72K and the newly to be m
47. M12 fig 4 11F e Tighten the hexagonal tap bolts to a torque of 35 Nm DW602311 4 17 SGC SwitchGear Company 4 4 3 4 Medium voltage switchgear 800 A composed of three or a different uneven number of cubicles With medium voltage switchgears in which three or a different uneven number of cubicles must be connected with the sets of bus bars the second set of bus bar is fitted onto the first set of bus bar the fourth onto the third set of bus bar etc In the last cubicle end cubicle a space block must be fitted under each bar This method applies for all medium voltage switchgears with an uneven number of cubicles and so an even number of bar sets 4 4 3 4 1 Preparation 4 4 3 4 2 Assembly procedures Ensure that the entire medium voltage switchgear is voltage free 1 amp For the contents of the kit see the table e Place the bus bars fig 4 12A and the space blocks fig 4 12D on the copper contacts fig 4 12E of the load break switches 4 18 DW602311 SGC SwitchGear Company e Fit the bus bars and the space blocks using the fitting material supplied fig 4 120 Hexagonal tap bolts M12x35 fig 4 12H Lock washers M12 fig 4 12G Flat washers M12 fig 4 12F e Tighten the hexagonal tap bolts to a torque of 35 Nm 4 4 3 5 Medium voltage switchgear 800 A composed by four or a different even number of cubicles With medium voltage switchgears in
48. N fig 10 13C 9 1 4 4 2 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively DW602311 SGC SwitchGear Company e Mount the carrier plate with the auxiliary contacts fig 10 14A using the cylindrical screws fig 10 14C and the lock washers fig 10 14B on the back plate fig 10 14D The back plate is provided with holes for this 9 1 4 5 DA M Auxiliary contacts for the key lock on the load break switch earth switch For mounting auxiliary contacts for the key locks on the load break switch and or earth switch of the DA M drive mechanism several mounting kits are available The composition of these mounting kits vary depending on factors such as number of contacts ordered version left or right handed of the auxiliary contacts type of auxiliary contact shaft or wheel In all cases the auxiliary contacts have already been pre mounted on the carrier plate If load break switches of motor operated drive mechanisms are provided with key locks the associated auxiliary contacts must always be mounted DW602311 9 11 SGC SwitchGear Company The example below deals with mounting auxiliary contacts at the key locks of the load break switch The method of mounting is identical to that of the earth switch 9 1 4 5 1 Available auxiliary contacts
49. VA LNAYYNO gel ZEL OVA GAWYV 5 ON GEL OYN ONINdS ON YEL EEL OVA ZEL LEL J9YLIOAYIANN 61 89 79 OVA HOLIMS OVA HOLIMS 86 6 1109 938010 99 99 1109 GA 109 ZA 1 osje 109 eel 951 OVA OVA ul SIUOY youms DW602311 SGC SwitchGear Company WVU NO SV9 1491 SY9139IS
50. act shaft right handed model on carrier plate for one auxiliary contact OP401101 1x auxiliary contact shaft left handed model on carrier plate for one auxiliary contact OP401110 1x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402010 2x auxiliary contact wheel right handed model on carrier plate for two auxiliary contacts OP402011 2x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP402110 2x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402111 2x auxiliary contact shaft left handed model on carrier plate for two auxiliary contacts OP403021 3x auxiliary contact wheel left handed model on carrier plate for three auxiliary contacts OP403121 3x auxiliary contact shaft left handed model on carrier plate for three auxiliary contacts See following table DA980097 mounting plate with auxiliary contact s 1 fig 10 03A pre mounted on carrier plate s for available auxiliary contacts see overview above GR041308 DIN 6923 M8 hexagon nut with collar Ripp class 10 4 fig 10 03B GR041508 DIN 125 8 flat washer 2 fig 10 03C GR041608 DIN 6798A 0 8 lock washer 2 fig 10 03D GR040825 DIN 933 M8x25 hexagonal tap bolt 2 fig 10 03E DW602311 SGC SwitchGear Company 9 1 4 6 2 Mounting instructions BA For preparin
51. aft left handed model on carrier plate for auxiliary contact OP401110 1x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402010 2x auxiliary contact wheel right handed model on carrier plate for two auxiliary contacts OP402011 2x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP402110 2x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402111 2x auxiliary contact shaft left handed model on carrier plate for two auxiliary contacts OP403021 3x auxiliary contact wheel left handed model on carrier plate for three auxiliary contacts OP403121 3x auxiliary contact shaft left handed model on carrier plate for three auxiliary contacts e See following table OP401011 1x auxiliary 1 fig 10 15A contact wheel left handed model on carrier plate for two auxiliary contacts GR041604 DIN 6798A 8 2 fig 10 158 lock washer 5 040909 DIN 912 4 6 cylindrical screw N fig 10 15C 9 1 4 1 2 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively 9 4 DW602311 SGC SwitchGear Company e Mount the carrier plate with the auxiliary contacts fig 10 16A using the cylindrical screws fig 10 16C and the lock washers fig 1
52. ak switch B i Ensure that the door of the cable compartment is closed See Refitting the door Place the operating handle fig 5 15C on the operating shaft of the earthing switch Turn the operating shaft anticlockwise until the earthing switch is heard to open The indicator fig 5 15B on the synoptic diagram moves to the horizontal position Place the operating handle fig 5 16 on the operating shaft of the load break switch Turn the operating shaft clockwise until the load break switch is heard to close The indicator fig 5 16A on the synoptic diagram moves to the vertical position The cubicle is now ready for putting into operation Turn anticlockwise open switch Turn clockwise close switch DW602311 SGC 5 2 5 Operating the circuit breaker and the relay J See the documentation supplied by the circuit breaker manufacturer 5 2 6 Operating the low voltage switch During normal operation the low voltage switch is CLOSED e Pull the low voltage switch forwards with both hands at the same time to open the low voltage switch e Push the low voltage switch backwards with both hands at the same time to close the low voltage switch Always cut off the power supply On the safety cubicle switch the load break switch to OPEN and the earthing switch to CLOSED 5 6 DW602311 SGC SwitchGear Company 6 MAINTENANCE 6 1 Safety
53. am moves to the C1 horizontal position 2 DW602311 5 3 SGC SwitchGear Company B Place the operating handle 5 09 on the operating shaft of the N second load break switch 2 e Turn the operating shaft anticlockwise until the second load break switch is heard to open 1 The indicator fig 5 09B the synoptic diagram moves to the be horizontal position 2 If necessary the door can now be opened gt l Turn anticlockwise open switch Turn clockwise close switch 5 2 3 2 Closing the double load break switch 11 Ensure that the door of the cable compartment is closed N N See Refitting the door 2 e Place the operating handle fig 5 10C on the operating shaft of the Ol first load break switch 2 Turn the operating shaft clockwise until the initial load break switch 1 is heard to close 1 The indicator fig 5 10A on the synoptic diagram moves to the vertical position 2 B Place the operating handle fig 5 110 the operating shaft of the N second load break switch e Turn the operating shaft clockwise until the second load break X switch is heard to close 1 ox The indicator fig 5 11B on the synoptic diagram moves to the vertical position 2 Turn anticlockwise open switch Turn clockwise close switch 5 2 4 Operation of
54. ar Company Numbering of terminals general 7 8 INY YIN IVF Z ON HOLIMS 0 2 602 NOLLNG HSNd vel 2 ON HOLIMS 802 202 HSNd DNISOTO byl Z NO HOLIMS 902 202 AlddNs OLL 601 2 HOLIMS 702 8t AlddNs 801 201 2 NO ON HOLIMS 202 102 OGAOLL 6 901 SOL HO LIMS ON OSL OVAOLL ATddNs YOL 201 LYWOLNY 1Y907 H LIMS ON Srl OVA0ZZ NOILVLNAWITV ZOL LOL 802 2161 012 802 202 OSL SL HHL CHL 801 QOL VOL ZOL OdA 7 OdA 8 OVA Oll OVA OCZ 13534 yams Hexe Ce Se a gt 602 102 SOT SOT 102 69 271 91 601 ZOL SOL SOL LOL DW602311 7 8 SGC 8 DF 2 CUBICLES AND THE
55. are available The composition of these mounting kits vary depending on factors such as number of contacts ordered version left or right handed of the auxiliary contacts type of auxiliary contact shaft or wheel In all cases the auxiliary contacts have already been pre mounted on the carrier plate DW602311 9 7 SGC SwitchGear Company 9 1 4 3 1 Available auxiliary contacts OP401001 1x auxiliary contact wheel left handed model on carrier plate for one auxiliary contact OP401011 1x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP401100 1x auxiliary contact shaft right handed model on carrier plate for one auxiliary contact OP401101 1x auxiliary contact shaft left handed model on carrier plate for one auxiliary contact OP401110 1x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402010 2x auxiliary contact wheel right handed model on carrier plate for two auxiliary contacts OP402011 2x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP402110 2x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402111 2x auxiliary contact shaft left handed model on carrier plate for two auxiliary contacts OP403021 3x auxiliary contact wheel left handed model on carrier plate for three au
56. arity of the DF 2 concept is not limited to the ability to build various configurations with the DF 2 cubicles Each DF 2 cubicle on its own is also a assembly of modules that built into the compartments created for this purpose determine the function of the particular cubicle See Compartmenting DW602311 1 1 SGC SwitchGear Company 1 2 Compartmenting DF 2 cubicles with an interrupting function DF A DF P DF D DF D W DF EDN D DF EDN LK DF AAD DF Lk consists an assembly of four compartments The arrangement of these compartments determines the functioning of the cubicle e See Bus bar compartment fig 1 010 Apparatus compartment fig 1 01C Cable compartment fig 1 01B Mechanical drive and low voltage compartment fig 1 01A Si Sy DF 2 cubicles without interrupting function DF K DF T and DF C have less modularity These cubicles distinguish themselves by the presence of provisions for feeding in the supply cables provisions for current and voltage transformers provisions to allow measurements of energy consumption and or controls e See Cable cubicle Transformer cubicle Measuring cubicle 1 2 DW602311 SGC SwitchGear Company 1 2 1 Bus bar compartment The bus bar compartment is behind the mechanical drive and low voltage compartment The
57. ction piece DF 17 5 24 kV GR017807 of fitting material CU317808 5 block bus bar DF A P D EDN 17 5 kV fig 4 10C fig 4 10D For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces DW602311 4 15 SGC SwitchGear Company 4 4 3 2 6 Kit DS178016 CU317812 Bus bar DF EDND L 850 17 5 kV fig 4 10 CU317843 Earthing copper 2 fig 4 10B connection piece DF 17 5 24 kV GR017808 set of fitting material CU317808 Space block bus DF A P D EDN 17 5 kV fig 4 10C fig 4 10D OIN For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces 4 16 DW602311 SGC SwitchGear Company 4 4 3 3 Medium voltage switchgear 800 A composed of two cubicles Medium voltage switchgears composed of two cubicles are connected with one set of bus bars 4 4 3 3 1 Preparation Ensure that the entire medium voltage switchgear is voltage free 4 4 3 3 2 Assembly procedures For the contents of the kit see the table e Place the bus bars fig 4 11A on the copper contacts fig 4 11E of the load break switch e Attach the bus bars using the fitting material supplied fig 4 11 Hexagonal tap bolts M12x35 fig 4 11H Lock washers 2 M12 fig 4 11G Flat washers 2
58. door is always properly closed and locked with a reliable padlock When a door is open switching is not possible 5 2 Operation Depending on the version the medium voltage switchgear is fitted with a number of the following controls and indicators Synoptic diagram see Synoptic diagram Operating handle Load break switch single Load break switch double Earthing switch Capacitive voltage indicators Button release for the opening of the load break switch Low voltage switch Circuit breaker amp The function and use of these controls and indicators is described in function of i the specificity of the switchgear In the following table the various cubicle types are shown with the description of the function for each cubicle in the form of a cross reference DW602311 5 1 SGC SwitchGear Company 5 2 1 Operating the combination load break switch earthing switch The normal in use position is as follows Load break switch CLOSED the indicator fig 5 01A on the synoptic diagram is vertical _ Earthing switch OPEN the indicator fig 5 018 on the synoptic diagram is horizontal 5 01 In this position the earthing switch is automatically locked It is not possible to close the earthing switch 5 2 1 1 Opening the load break switch and closing the earthing switch
59. e Technical Brochure order number AG601301 e Only use the medium voltage switchgear in technically perfect condition in accordance with the intended use described above Always keep sealed connections intact at all times Breaking the sealed connections irrevocably voids any claims under guarantee Intended use as laid down in EN 292 1 is the use for which the technical product is suited as specified by the manufacturer including his directions in the sales brochure In case of doubt it is the use that can be deduced from the construction the model and the function of the technical product that is considered normal use Operating the product within the limits of its intended use also involves observing the instructions in the user manual xii DW602311 SGC 1 GENERAL DESCRIPTION 1 1 DF 2 the modular concept The DF 2 concept of SwitchGear Company nv offers the capability to custom assemble any required transformation or distribution switchgear in a rational and economic way by using a number of functional basic modules the DF 2 cubicles By combining these basic modules and their options in the correct manner a customer specific medium voltage switchgear is created with a nominal voltage of 12 17 5 or 24 kV that offers a high level of operator safety The technical specifications of your medium voltage switchgear can be found on the name plates on the cubicles See Identification of the cubicles The modul
60. e free Open the particular cell as well as the load isolation and the earth switches if present e Dismount the front panel e Loosen the four hexagonal tap bolts fig 10 01C e Remove the four washers fig 10 01B e Remove the front panel fig 10 01A 9 1 2 Mounting of auxiliary contacts general Special mounting kits are available for the mounting of auxiliary contacts The composition of these mounting kits and thus the method and or order of mounting varies depending on factors such as type of drive mechanism function of the auxiliary contact number of extra auxiliary contacts to be mounted 9 2 DW602311 SGC SwitchGear Company The table with the accompanying figure shows the composition of a standard single auxiliary contact This assembly is always applicable regardless of the function of the auxiliary contact and the type of drive mechanism For further information and detailed mounting instructions for each specific mounting kit see Mounting of auxiliary contacts specific for each drive mechanism 401100 auxiliary contact shaft straight model pre mounted on carrier plate GR041604 DIN 6798A M4 lock washer fig 10 02A N fig 10 02B GR040909 DIN 912 M4x6 2 fig 10 02C cylindrical screw 9 1 3 Final checking and commissioning The following actions must always be carried out after mounting one or more
61. e front plate and the back plate e Mount the key locks fig 10 55A using the cylindrical screws fig 10 55B the contact locking rings fig 10 55C and the self locking hexagonal nuts fig 10 55D on the back side of the front plate rounded side of the lock fig 10 556 must smoothly fall into the slot of the shaft of the switch e Fix the front plate using the four hexagonal bolts DW602311 9 25 SGC SwitchGear Company 9 2 4 2 DP Key lock the load break switch For mounting the key lock on the load break switch of the DP drive mechanism a specific mounting kit is available e See following table OP100000 Ronis lock incl key 1 fig 10 56A GR040922 DIN 912 M5x25 cylindrical screw 3 fig 10 56B GR041705 M5 contact locking ring 3 fig 10 56C GR041105 DIN 985 lock nut nylon ring M5 3 fig 10 56D DP994229 extension piece completely pre mounted 1 fig 10 56 GR040927 DIN 912 M6x10 cylindrical screw 1 fig 10 56F GR041706 M6 contact locking ring 1 fig 10 56G 9 26 DW602311 SGC SwitchGear Company 9 2 4 2 1 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively e Loosen the four hexagonal bolts 10 57H of the front plate a few strokes e Pull the front plate fig 10 571 forward until there is enough space between the front plate and
62. e of 35 Nm 44 4 Assembly of the end panels For the assembly of the left and right end panels a special kit is available for each end panel 4 4 4 1 Kit DF 117500 as described hereunder hexagonal tap bolt yellow galvanised GR040855 DIN 933 8 55 2x1 fig 4 14C hexagonal tap bolt yellow galvanised 041606 DIN 6798A lock 2 14 fig 4 140 414 washer yellow galvanised GR041608 DIN 6798A M8 lock 2x9 fig 4 14E washer yellow GR040820 DIN 933 8 20 2x8 fig 4 14A 4 hexagonal tap bolt yellow galvanised GR040610 DIN 933 M6x10 2x14 fig 4 14B D galvanised GR041308 DIN 6923 8 nut with 2x9 fig 4 14F collar Ripp class 10 07021701 end panel 2x1 fig 4 146 The assembly kit also contains the following items DF045600 Operating handle 1 AG400001 Instruction card DF 2 vitale 5 1 AG602301 user s manual DF 2 medium voltage switchgear 1 1 Please present the instruction card in the installation area making sure that it is clearly visible for the operator s DW602311 4 25 SGC 4 4 4 2 Preparation Ensure that the cubicle itself and the immediately following or previous cubicles 4 4 are voltage free 4 4 4 3 Assembly procedures e Position the end panel fig 4 15G against the sidewall of the cubicle so that the holes in the end panel and t
63. ection DW602311 SGC 4 4 2 Assembly of the earthing copper connection pieces For connecting the earthing slats fig 4 07D to the bottom side of the cubicles a special kit is available for each cubicle 4 4 2 1 Kitas described hereunder CU317843 Earthing copper 1 fig 4 06A connection piece DF 17 5 24 kV The earthing copper connection piece is a part of the kit that also contains the bus bars and their fitting material See Fitting the bus bars ji o 4 4 2 2 Preparation Ensure that the cubicle itself the immediately following and the previous cubicle x are voltage free 4 4 2 3 Assembly procedures e Loosen the two hexagonal tap bolts M8x30 fig 4 07C Remove the two lock washers 2 8 fig 4 078 and the hexagonal nuts 8 fig 4 07E e Fit the earthing copper connection piece fig 4 07A using the hexagonal tap bolts M8x30 the lock washers 2 8 and the hexagonal nuts 8 Tighten the hexagonal tap bolts to a torque i of 20 Nm DW602311 4 9 SGC 4 4 3 Fitting the bus bars If there is sufficient room at the sides the cubicles the bus bars be fitted through the opening in the sidewalls If there is insufficient room for example when a transformer cubicle is placed against the end cubicle the roof panel fig 4 08A must be removed from the relevant cubicles This roof panel is mounted by means of the hexag
64. ections are numbered The page numbering consisting of the chapter number and the page number and the document code can be found at the bottom of each page In the documentation the words left right front and behind are used to indicate a specific part of the medium voltage switchgear The starting point for this is always the position of the operator standing at the front side of the switchgear Pictograms and safety symbols in and on the medium voltage switchgear Depending on the version the following pictogram is used on the medium voltage switchgear WARNING Danger of high voltage Access to the particular cubicle is only allowed after the cubicle itself the directly following and the previous cubicle are voltage free Pictograms in the documentation In the user s manual of the medium voltage switchgear the following pictograms are used CAUTION Procedures that can when not carried out with the necessary care result in damage to the medium voltage switchgear the surrounding area or the environment A WARNING Danger of high voltage DW602311 SGC SwitchGear Company CAUTION Entrapment danger Notes suggestions and advices Make the cubicle in question the immediately following one and the previous cubicle voltage free before carrying out the work described Open the load break switch as well as the earthing switch before carrying out the work described Con
65. ecurity device 1 8 DW602311 SGC SwitchGear Company 2 TECHNICAL SPECIFICATIONS stated technical specifications concerned exclusively the standard version of cubicles 2 1 Electrical specifications e See following table Impulse withstand voltage 1 2 50 us To earth and between phases Over the insulating distance Power frequency withstand voltage 1 min To earth and between phases Over the insulating distance Rated frequency Rated voltage 800 1250 800 1250 Rated short circuit current current 1 25 25 Nominal Rated peak value of the current 63 Breaking capacity RV 44 IEC 60265 1 Rated current 800 1250 800 1250 Closed loop 800 1250 800 1250 Load cable charging 18 Making current 63 Earth fault Earth fault cable charging Internal arc 1 6 criteria A kA kA A A A kA A A kA Degree of protection Mechanical durability c o Standards IEC 60298 Annex AA IEC 60129 IEC 60420 IEC 60694 C 64 701 only in Belgium IEC 60265 1 Certificates In line with IEC 60265 1 clas E1 DW602311 KEMA SGC SwitchGear Company 2 2 Dimensions and weights 2 2 1 DF A cubicle 2 2 2 DF P cubicle e See fig 2 01 e See fig 2 02
66. g and finishing work see Preparation for mounting and Final check and commissioning respectively e Fit the hexagonal tap bolt fig 10 04E with the lock washer fig 10 04D in the holes of the front plate fig 10 04F e Remove the flat washers fig 10 04C on the wire ends e Mount a hexagon nut on each wire end fig 10 04B and retighten the hexagon nuts Mount the mounting plate fig 10 04A with the mounted auxiliary contacts over the wire ends e Secure the whole assembly by screwing a second hexagon nut onto each wire end fig 10 04B Thanks to the two holes in the mounting plate a DIN rail can be mounted easily on which a terminal strip can be fitted DW602311 9 15 SGC SwitchGear Company 9 1 4 7 DA M Auxiliary contacts on the earth switch For mounting auxiliary contacts on the earth switch of the DA M drive mechanism several mounting kits are available The composition of these mounting kits vary depending on factors such as number of contacts ordered version left or right handed of the auxiliary contacts type of auxiliary contact shaft or wheel In all cases the auxiliary contacts have already been pre mounted on the carrier plate 9 1 4 7 1 Available auxiliary contacts OP401001 1x auxiliary contact wheel left handed model on carrier plate for one auxiliary contact OP401011 1x auxiliary contact wheel
67. he side panel are aligned e Mount the end panel using the fitting material supplied the hexagonal bolt M8 4 150 a lock washer 2 8 fig 4 15H and a nut 8 fig 4 151 the eight hexagonal tap bolts M8 fig 4 15A the other eight lock washers 8 fig 4 15E and the other eight nuts M8 fig 4 15F the 14 hexagonal tap bolts fig 4 158 and the 14 lock washers fig 4 15D 4 26 DW602311 SGC SwitchGear Company 4 5 Greasing the earthing switch the earthing knife spoons and the damping blocks With DF 2 cubicles with an earthing switch a thin evenly applied layer of the supplied SGC grease order number GR002002 must be applied to the following parts earthing switch earthing knife fig 4 16B and damping blocks fig 4 16A approx 0 5 mm thick layer The moving turning and hinging parts of the i drive mechanisms have been lubricated for life in the factory All sliding bearings are made of steel with a coating of self lubricating bronze and a final coating of PTFE All other bearings ball bearings and needle bearings are the closed type and have been lubricated internally for their entire life With DF 2 cubicles not only the earthing switch but also the earthing knife spoons fig 4 17B and damping blocks fig 4 17A of the main earthing switch as well as the earthing knife spoons fig 4 17C and dampingblocks fig 4 17D of the second ear
68. ifferentiate themselves by their function In the following table you will find the various cubicle types with the standard equipment per cubicle in the form of a cross reference to the described cubicle function gt lt lt lt lt X lt X lt X lt DW602311 1 7 SGC SwitchGear Company 1 2 8 2 Short description DF A Incoming cubicle with load break switch DF P Transformer protection cubicle with load break switch fuse combination DF D Protection cubicle with load break switch and fixed mounted vacuum circuit breaker DF D W Protection cubicle with load break switch and withdrawable vacuum circuit breaker DF EDN D Protection cubicle with load break switch and fixed mounted vacuum circuit breaker Electrabel design DF EDN LK Bus bar coupling cubicle with double load break switch Electrabel design DF AAD Bus bar coupling cubicle with double load break switch and vacuum circuit breaker DF LK linking Bus bar coupling cubicle DF K Cable cubicle with bus bar and or with cable fittings DF T Transformer cubicle DF C Measuring cubicle The cubicles are equipped as standard with a pressure relief system protecting the operator against the consequences of the unlikely event of an internal arc or short circuit See Internal arc s
69. ing provisions the feeding cables can be connected on a quickly and simply manner Removable floor pans with grommets Fixed cable supports Indepth adjustable cable supports The connections fitted to your medium voltage switchgear have been adjusted to the specific operating voltage 4 4 DW602311 SGC SwitchGear Company 1 2 4 Mechanical drive and low voltage compartment The mechanical drive and low voltage compartment is located behind the removable front panel Depending on the version this compartment contains one or more of the following items Synoptic diagram on the front panel showing the position of the switch es and any other indication and operating devices Drive mechanism Options and accessories like auxiliary contacts opening and closing coils key interlocks under voltage release motor operating devices etc and the necessary electrical connectors 1 2 4 1 Synoptic diagram The synoptic diagram fig 1 02 on the front panel indicates on a single line diagram the power flow and the various positions of the components of the concerned cubicle Fig 1 02 shows by means of an example the synoptic diagram of a standard DF P cubicle Colour codes may vary from country to country The supplied medium voltage switchgear however is fitted with the colour codes that are valid in your country A Earthing switch open closed position indicator B Operating device
70. ing the state of the fuse IVS 13 007 01 107 DP M Auxiliary contact for indicating the state of the fuse IVS 13 007 01 108 DA Key locks on the load break switch earth switch IVS 13 007 01 200 DA M Key locks on the load break switch earth switch IVS 13 007 01 201 DP Key locks on the earth switch IVS 13 007 01 202 DP Key locks on the load break switch IVS 13 007 01 203 DP DP M DP A DP A M Mounting of the shunt trip release IVS 13 007 01 300 DP Mounting of an under voltage release delayed with minutia IVS 13 007 01 301 DW602311 SGC SwitchGear Company _ _ SwitchGear Company _ 91 Auxiliary contacts Auxiliary contacts can be mounted at various places on the drive mechanism and always have an indicating function auxiliary contacts on the shaft of the load break switch indicate the position of the load break switch auxiliary contacts on the shaft of the earth switch indicate the position of the earth switch auxiliary contacts for key locks indicate the position of the key lock auxiliary contacts for fuses indicate the status of the fuse tripped not tripped auxiliary contacts for DP A of DP A M reinforced indicate the status of this position 9 1 1 Preparation for mounting The following preparations must always be taken before you start mounting one or more auxiliary contacts e Make the entire medium voltage board voltag
71. instructions maintenance e Also see General safety directions and instructions e The maintenance actions described are restricted to qualified and trained operators Always observe the local applicable safety instructions and guidelines e All other not indicated maintenance tasks are restricted to trained and qualified service personnel employed by the power supply company e Ensure that the whole medium voltage switchgear is voltage free before you carry out the maintenance actions described e Only put the medium voltage switchgear back into operation after all the front panels and doors that have been removed have been refitted and the work carried out has been carefully checked e Never leave tools or fitting material in or on top of the medium voltage switchgear 6 2 Maintenance general The DF 2 cubicles have been designed to operate problem free with a minimum of maintenance To guarantee this a few simple maintenance and cleaning actions are necessary If you exercise the necessary care and carry out the actions described faithfully any problems will usually be discovered and corrected before they lead to a major problem Considering that the maintenance intervals depending on the specific operating circumstances can vary a lot no maintenance intervals are stated Exceptions to this are the following tasks Every 2 years Switching the switch es on DF 2 cubicles with an interrupting function e See Swi
72. ions between the connections and the sliding contacts 6 2 3 Lubricating the earthing knife and the damping blocks if present On installation of the medium voltage switchgear the earthing knife spoons and the damping blocks of the main earthing switch and if present the auxiliary earthing switch are given a coating of SGC lubricant The periodic cleaning of the inside of the cubicles especially the cleaning of the cable compartment is the most suitable moment for cleaning and degreasing these components thoroughly to remove the dirt attracted by the grease Make the entire medium voltage switchgear voltage free See Safety instructions maintenance Remove the door See Unpacking Clean the earthing knife spoons fig 6 03B and the damping blocks fig 6 03A After cleaning these components lubricate them again with an approx 0 5 mm thick evenly applied layer of the SGC grease supplied order number 2002 DW602311 6 5 SGC SwitchGear Company With DF P cubicles not only the earthing knife spoons fig 6 04 and damping blocks fig 6 04A of the main earthing switch as well as the earthing knife spoons fig 6 04C and damping blocks fig 6 04D of the second earthing switch auxiliary earthing switch has to be cleaned and then lubricated again e Fit the door of the cable compartment See Refitting the door e Lock the door with a reliable padlock e P
73. is position the door is always removable See Operation e Place the loose door where there is no risk of it being damage Repeat above steps for each individual cubicle e Remove the end panels that have been fitted to one of the cubicles as necessary After the used packing material has been disposed of in accordance with the applicable directives the installation of the cubicles can be started 4 4 DW602311 SGC SwitchGear Company 4 3 Erection DF D 011 DF P DF D W 010 DF K DF EDN LK DF AAD DF C DF LK 4 01 Consult the installation diagram s the electrical diagram and the ground plans fig 4 01 before starting the actual installation of the medium voltage switchgear DW602311 4 5 SGC SwitchGear Company e Place the first cubicle in its definitive position in the installation area installation area In this way the over pressure valves of the back plate can operate if unlikely there is an internal arc A transformer cubicle can be positioned with its rear side against the wall Leave 150 mm free between the rear wall of the cubicle and the wall of the e Level the first cubicle e Anchor this first cubicle using 4 bolts to the floor Use the holes intended for this purpose fig 4 02A e Disassemble the front pa
74. k into operation 6 2 2 2 2 Sliding in and out the withdrawable circuit breaker DF D W Make the concerned cubicle voltage free See Safety instructions maintenance DW602311 SGC SwitchGear Company Remove the door See Unpacking Disconnect any low voltage connector present on the circuit breaker fig 6 02H Carefully pull the circuit breaker forwards so that the connections fig 6 02B are freed of the sliding contacts fig 6 02A Slide the circuit breaker out of the cable compartment breaker Carefully slide out the circuit breaker Avoid damaging the earthing contact fig 6 011 on the slide of the circuit Transport the circuit breaker using the transport cradle supplied Now the circuit breaker has been removed from the cubicle the relay of the circuit breaker can be tested easily The following applies for sliding in the withdrawable circuit breaker Place the circuit breaker with its rear wheels in the transport rails fig 6 02G Carefully push the circuit breaker backwards so that the connections fig 6 02B are in the sliding contacts fig 6 02 Slide the circuit breaker against the rear stop of the guides Connect any low voltage connector present on the circuit breaker fig 6 02H Fit the door of the cable compartment See Refitting the door Lock the door with a reliable padlock Put the cubicle back into operation Check the connect
75. late is provided with holes for this DW602311 9 19 SGC SwitchGear Company nylon bearing bush The slot in the indicator must be between the nut and the head of the screw fig 10 18G Adjust the screw if necessary e Loosen both hexagonal nuts fig 10 18E and 5 and turn the screw out e Tighten the hexagonal nuts The shaft fig 10 18 of the auxiliary contact must point down and rest upon the e Check the operation of the auxiliary contact by moving the tripping mechanism up and down by hand 9 1 4 9 Auxiliary contact for indicating the status of fuses For mounting the auxiliary contact that indicates the status of the fuses tripped not tripped a special mounting kit is available for the DP M drive mechanism The auxiliary contact has already been pre mounted on the carrier plate e See following table OP501101 1x auxiliary 1 fig 10 17A contact adjusted for indicating the status of fuses GR041604 DIN 6798A 2 fig 10 17B lock washer GR040909 DIN 912 M4x6 2 fig 10 17C cylindrical screw GR040738 DIN84 5 40 1 fig 10 17D cylindrical screw with slot GR041005 DIN 934 hexagon 6 fig 10 17E nut M5 GR041105 DIN 985 lock nut 1 fig 10 17F M5 GR040739 DIN84 5 60 1 fig 10 17G cylindrical screw with slot DP995210 Indicator position 1 fig 10 17H fuses WG ZG GR102520 Nylon bearing 1 fig 10 171 bush type 8
76. lifetime of the medium voltage switchgear e Replace or repair unreadable or damaged pictograms symbols and instructions immediately Therefore contact SwitchGear Company nv Operators The performance of the work described transport installation use and maintenance is strictly reserved for operators trained and qualified to do so who are familiar with the dangers that can occur when using medium voltage switchgears Temporary staff and personnel in training may not operate the medium voltage switchgear in any way Technical specifications e The technical specifications may not be changed e Modification of parts of the medium voltage switchgear is not permitted DW602311 xi SGC SwitchGear Company Transport storage installation use and maintenance e See Safety instructions transport Safety instructions storage Safety instructions installation Safety instructions use Safety instructions maintenance Intended use The medium voltage switchgear is exclusively designed to be used as transformation or distribution switchgear in accordance with the specifications and conditions provided by SwitchGear Company nv Any other or further use is not in conformity with the purpose SwitchGear Company nv accepts no liability for any damage or injury resulting from this The medium voltage switchgear is in accordance with the applicable standards and guidelines See th
77. limits the leakage current to a minimum e Remove the front panel See Erection e Remove the door See Unpacking e Clean the outside also the cables with a non fluffy cloth and a non corrosive cleaning agent e Thoroughly dry the cleaned surfaces to prevent fly rust copper oxidation and corrosion of the fitting materials e Check all bolt nut connections e Fit the front panel e Refit the door To be able to clean the inside of DF 2 cubicles with a circuit breaker properly the circuit breaker must be temporarily removed from the cubicle The method of disassembly varies according to the type of circuit breaker See Sliding in and out the fix mounted circuit breaker DF D Sliding in and out the withdrawable circuit breaker DF D W 6 2 DW602311 SGC SwitchGear Company 6 2 2 2 1 Sliding in and out the fix mounted circuit breaker DF D e Make the concerned cubicle voltage free See Safety instructions maintenance e Remove the door See Unpacking e Loosen the top connections of the circuit breaker e Loosen the nuts fig 6 010 e Remove the flat washers fig 6 01E e Remove the lock washer fig 6 01A and the hexagonal tap bolt fig 6 01C e Loosen the bottom connections of the circuit breaker e Loosen the nuts fig 6 01D e Remove the flat washers fig 6 01E e Remove the lock washer fig 6 01A and the hexagonal tap bolt fig 6 01C A The
78. loor pans 4 28 4 7 1 Kit DS178007 4 28 4 7 2 4 29 4 7 3 Assembly procedures 4 29 4 8 Refiting the 4 30 4 9 Measuring the phase 4 31 4 10 Initial COMMISSIONING 4 31 DSC 5 1 5 1 Safety instructions 5 1 5 2 ETTE E 5 1 5 2 1 Operating the combination load break switch earthing 5 2 5 2 1 1 Opening the load break switch and closing the earthing switch 5 2 5 2 1 2 Opening the earthing switch and closing the load break switch 5 3 5 2 2 Reading the capacitive voltage indicators 5 3 5 2 3 Operation of the double load break switch 5 3 5 2 3 1 Operation of the double load break switch 5 3 5 2 3 2 Closing the double load break switch 2222222 2 22244 4 414 1 2 5 4 5 2 4 Operation of the combination load break switch fuse
79. m a distance It is possible to provide a DP MEC with an under voltage release without delay direct opening 9 4 1 Preparation for mounting The following preparations must always be taken before you start mounting an under voltage release e Make the entire medium voltage board voltage free Open the particular cell as well as the load isolation and the earth switches e Dismount the front panel e Loosen the four hexagonal tap bolts fig 10 01C e Remove the four washers fig 10 01B e Remove the front panel fig 10 01A DW602311 9 33 SwitchGear Company 9 4 2 Mounting of under voltage releases general Special mounting kits are available for mounting under voltage releases For further information and detailed mounting instructions for each specific mounting kit see Mounting of under voltage releases specific for each drive mechanism Mounting under voltage releases without delay is done in the same way as the moun ting of under voltage releases with delay except for the setting of the time delay 9 4 3 Final checking and commissioning The following actions must always be carried out after mounting the under voltage release e Check that the fitting materials are properly attached e Electrically connect the under voltage release e Measure the under voltage release using a multimeter If the under voltage release is supplied by an external power source an auxiliary
80. nel e Loosen the four hexagonal tap bolts fig 4 03C e Remove the four washers fig 4 03B Remove the front panel fig 4 03A The driving mechanism and low voltage compartment is now accessible e Position the second cubicle against the first cubicle Ensure that the cubicles are exactly line and stay accurately level in order to enable torsion free mounting of the housing earthing copper connection pieces and bus bars Any plinths are provided ex factory and will be supplied separately Position the cubicles in the order indicated on the installation diagram and the electrical diagram e Remove the front panel of the second cubicle e Position all other cubicles in the same way and ensure that all front panels have been removed e Remove the lifting eyes if present from the cubicles To do this loosen the bolts e The cubicles are now ready to be assembled See Cubicle assembly 4 6 DW602311 SGC SwitchGear Company 4 4 Cubicle assembly When assembling the cubicles the following important steps apply Connecting the cubicles Fitting the earthing copper connection pieces Fitting the bus bars Fitting the end panels 4 4 1 Connecting the cubicles A special kit is available for the connecting of the cubicles 4 4 1 1 Kitas described hereunder GR040820 DIN 933 M8x20 hexagonal tap bolt yellow galvanised GR040830 DIN 933 M
81. ng the fitting material supplied fig 4 32C round head screws M12x55 fig 4 32H 12 60 fig 4 321 lock washers M12 fig 4 320 flat washers 2 M12 fig 4 32F e Tighten the round head screws to a torque of 35 Nm DW602311 4 23 SGC SwitchGear Company 4 4 3 8 Medium voltage switchgear 1 250 A composed by four or another even number of cubicles With medium voltage switchgears in which four or another even number of cubicles must be connected with the double sets of bus bars the second double set of bus bars is fitted onto the first and the third double sets of bus bars the fourth onto the third and the fifth double sets of bus bars etc This method applies for all medium voltage boards with an even number of cells and hence an odd number of bar sets 4 4 3 8 1 Preparation Ensure that the entire medium voltage switchgear is voltage free 4 4 3 8 2 Assembly procedures For the contents of the kit see the table e Fit the double bus bars fig 4 33A and the end pieces fig 4 33D in the way shown onto the copper contacts fig 4 33E of the load isolation switch 4 24 DW602311 SGC SwitchGear Company e Mount the assembly using the fitting material supplied fig 4 33C round head screws M12x55 fig 4 33H and M12x60 fig 4 331 lock washers 2 M12 fig 4 33G flat washers M12 fig 4 33F e Tighten the round head screws to a torqu
82. of the earthing switch The arrow on the operating device indicates the mandatory direction of rotation for the opening 0 and the closing 1 of the earthing switch Slot for fitting the operating handle Operating device of the load break switch The arrow on the operating device indicates the mandatory rotation direction for closing 1 the load break switch Load break switch opening button 0 Voltage indication Connectors for voltage indicators Graphic representation of the fuses Load break switch position indicator open closed Single line diagram ronm DW602311 1 5 SGC SwitchGear Company 1 2 4 2 Drive mechanism DF 2 cubicles with an interrupting function are fitted with a drive mechanism for the operation of the switch es The drive mechanism is located behind the front panel The nine different types of drive mechanisms can be reduced to two major models e See Combination load break switch earthing switch Combination load break switch fuse safety 1 2 4 2 1 Combination load break switch earthing switch Depending on the version the load break switch and or the earthing switch are operated manually or electrically Manual operation is done with the operating handle supplied The opening and closing device of the load break switch and the earthing switch have been fitted in one drive mechanism Both switches have their own separate operating shaft The operating shafts
83. onal tap bolts fig 4 08B the lock washers fig 4 08C the hexagonal nuts fig 4 08D the rivets fig 4 08E and the self locking hexagonal collar nuts fig 4 08F The method of assembly of the bus bars depends on factors such as Current level of the medium voltage switchgear 800 or 1 250 number of cubicles that must be connected by means of the bus bars In all cases the bus bars must always be assembled so that they are torsion free Sideways tensional forces on the drill holes in the bars or those of the load break switch as a result of incorrectly assembled cubicles are completely unacceptable 4 4 3 1 Medium voltage switchgear 800 A available kits for bus bars The contents of the mounting kits for bus bars may vary depending on factors such as the current of the medium voltage switchgear and the number of cubicles that must be connected using the bus bars Each mounting kits is delivered separately and solidly packed 4 4 3 1 1 Kit DS178001 as described hereunder CU317807 Bus bar DF A P 3 fig 4 09A L 550 17 5 kV CU317843 Earthing copper 1 fig 4 09B connection piece DF 17 5 24 kV GR017800 set of fitting material 1 fig 4 09 For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces 4 10 DW602311 SGC SwitchGear Company 4 4 3 1 2 Kit DS178003 as described hereunder CU317807 Bus bar DF
84. ounted hexagonal tap bolt fig 10 72F exactly five holes open e Place one of the two hexagon nuts fig 10 72E on the threaded end of the just placed hexagon tap bolt e Tighten the hexagon nut against the disc 9 32 DW602311 SGC SwitchGear Company e Place the end of the shaft of the shunt trip release over the threaded end of the hexagon tap bolt The shaft has a slotted hole for this e Mount the second hexagon nut fig 10 72D with a bit of Loctite 270 on the threaded end of the hexagon tap bolt and turn the hexagon nut until about 3 mm of the hexagonal tap bolt protrudes The shaft of the shunt trip release rests now between both hexagon nuts e Check the operation of the shunt trip release by pressing the shunt trip release with still opened load break switch by hand The shaft must be free and be able to move smoothly 9 3 4 1 3 Electrical monitoring with external power source break switch is opened Place an auxiliary contact if supply comes from an external power source battery See DP Auxiliary contact s on the load break switch f Prevent burning out of the release Break the voltage to the release of the load Mountthe front plate using the four hexagonal tap bolts 9 4 Under voltage releases Under voltage releases can be mounted on the drive mechanism of cells with a fuse combination With the help of these under voltage releases the load break switch can be opened automatically and fro
85. ounting one or more key locks e Make the entire medium voltage board voltage free Open the particular cell as well as the load isolation and the earth switches if present 9 22 DW602311 SGC SwitchGear Company Dismount the front panel e Loosen the four hexagonal tap bolts fig 10 01 e Remove the four washers fig 10 01B e Remove the front panel fig 10 01A 9 2 2 Mounting of key locks general Special mounting kits are available for mounting key locks The composition of these mounting kits and thus the method and or order of mounting varies depending on factors such as type of drive mechanism function position of the key lock number of key locks to be mounted The table with the accompanying figure shows the composition of a standard key lock set Dependent the function and therefore the position of the key locks the drive mechanism type and so the number of key locks to be mounted this composition may be changed For further information and detailed mounting instructions for each specific mounting kit see Mounting of key locks specific for each drive mechanism OP100000 Ronis lock incl 1 fig 10 50A key GR040922 DIN 912 5 25 4 fig 10 508 cylindrical screw GR041705 5 contact 4 fig 10 50C locking ring DW602311 9 23 SGC SwitchGear Company 9 2 3 Final checking and commissioning The following actions mu
86. perating shaft clockwise until the load break switch is heard to close 1 2 The indicator fig 5 05 the synoptic diagram moves to the C i 5 05 vertical position 2 The cubicle is now ready for putting into operation Turn anticlockwise open switch Turn clockwise close switch 5 2 2 Reading the capacitive voltage indicators The capacitive voltage indicators fig 5 06 make it possible to measure the phase sequence on first commissioning See Measuring the phase sequence With the voltage indicators it can also be established whether fuses have tripped in DF P cubicles and whether with the load break switch in the position OPEN there is still voltage present in the cables 5 2 3 Operation of the double load break switch During normal operation the position is as follows N D D Initial load break switch CLOSED the indicator fig 5 07A on the synoptic diagram is vertical Second load break switch CLOSED the indicator fig 5 078 on the synoptic diagram is vertical 5 07 The two load break switches can be operated independently of each other 5 2 3 1 Operation of the double load break switch Tals Place the operating handle fig 5 08C on the operating shaft of the N N first load break switch 2 e Turn the operating shaft anticlockwise until the first load break switch is heard to open 1 gt The indicator fig 5 08A on the synoptic diagr
87. plate for two auxiliary contacts OP402011 2x auxiliary contact wheel left handed model on carrier plate for two auxiliary contacts OP402110 2x auxiliary contact shaft right handed model on carrier plate for two auxiliary contacts OP402111 2x auxiliary contact shaft left handed model on carrier plate for two auxiliary contacts OP403021 3x auxiliary contact wheel left handed model on carrier plate for three auxiliary contacts OP403121 3x auxiliary contact shaft left handed model on carrier plate for three auxiliary contacts e See following table OP402011 2x auxiliary 1 fig 10 11A contact wheel left handed model pre mounted on carrier plate GR041604 DIN 6798A 2 fig 10 11B M4 lock washer GR040909 DIN 912 4 2 fig 10 11C cylindrical screw 9 1 4 2 2 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively 9 6 DW602311 SGC SwitchGear Company e Mount the carrier plate with the auxiliary contacts fig 10 12 using the cylindrical screws fig 10 12C and the lock washers fig 10 12B on the front plate fig 10 12D The front plate is provided with holes for this 9 1 4 3 DA K M Auxiliary contact s on the load break switch For mounting auxiliary contacts on the load break switch of the DA K M drive mechanism several mounting kits
88. ply cable s 1 2 3 1 Earthing switch The EM 20 earthing switch is located underneath the RV 44 load break switch on the right wall of the cubicle The switching is done in air in contrast to that of the load break switch The earthing switch is a two position switch that opens the earthing knife no earthing or closes it visible earthing The position of the earthing switch is clearly indicated on the synoptic diagram Depending on the version the load break switch is operated manually or electrically The earthing switch is housed with the load break switch in one mechanically interlocked drive mechanism See Drive mechanism DW602311 1 3 SGC SwitchGear Company 1 2 3 2 Fuse switch combination The fuse switch combination is a protecting device consisting of ARV 44 load break switch see Load break switch EM 20 earthing switch see Earthing switch Fuse holders Asecond earthing switch auxiliary earthing switch for eventual dispersing of residual currents With a fuse switch combination both earthing switches are mechanically interconnected allowing a simultaneously opening or closing 1 2 3 3 Circuit breaker The circuit breaker is protecting the output feeders transformers and motors Depending on the version the circuit breaker is of the fixed type but easily removable or of the withdrawable type 1 2 3 4 Provisions for the fixing of the feeding cables Thanks to the follow
89. ptions possibly combined can be mounted auxiliary contact s on the shaft of the load break switch auxiliary contact s on the shaft of the earth switch auxiliary contact s for indicating the position of the key lock auxiliary contact s for indicating the tripping of the fuse auxiliary contact s for the DP A or DP A M reinforced key lock s on the shaft of the load isolation switch key lock s on the shaft of the earth switch mechanical indication of the tripping of the fuse under voltage release s with or without minutia shunt trip release s li Available mounting instructions see the Technical Brochure order number 01101 DA Auxiliary contact s on the load break switch earth switch For a complete overview of the possible options for each drive mechanism Separate mounting instructions are delivered with the options IVS 13 007 01 100 DA M Auxiliary contacts on the earth switch IVS 13 007 01 101 DA M Auxiliary contacts for the key lock on the load break switch earth switch IVS 13 007 01 102 DA K Auxiliary contact s on the load break switch IVS 13 007 01 103 DA K M Auxiliary contact s the load break switch IVS 13 007 01 104 DA EDN D Auxiliary contact s on the load break switch IVS 13 007 01 105 DP Auxiliary contact s on the load break switch IVS 13 007 01 106 DP Auxiliary contact for indicat
90. reparing and finishing work see Preparation for mounting and Final check and commissioning respectively DW602311 9 35 SGC SwitchGear Company Mount completely pre assembled under voltage release fig 10 74A Make sure that the cylindrical screw fig Hold the under voltage release with the minutia fig 10 74D to the front side Slide the trip out lath through the slot fig 10 74E into the support plate 10 74F rests exactly on the elastic copille fig 10 74 Mount the under voltage release on the support plate using the cylindrical screws fig 10 74B Dismount the locking nut fig 10 75J at the bottom side of the trip out lath fig 10 75D Slide the forked end of the trip out lath over the hexagon bolt fig 10 751 Mount the lock nut and screw the lock nut about 2 mm on the threaded end DW602311 SGC SwitchGear Company Set the delay of the under voltage release e Turn the handle fig 10 77A left or right Handle fully left no delay Handle fully right delay of 3 or 4 seconds e Check the operation of the under voltage release DW602311 9 37 SGC _ SwitchGear Company _ SwitchGear Company THE SPECIALIST IN MEDIUM VOLTAGE SWITCHGEAR DW602311 2011 SwitchGear Company nv
91. rial fig 4 09C For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces 4 12 DW602311 4 4 3 1 6 Kit DS178006 as described hereunder CU317811 Bus bar DF D L 800 17 5 kV fig 4 10 CU317843 Earthing copper connection piece DF 17 5 24 kV fig 4 10B 017800 set of fitting material fig 4 10C CU317808 Space block bus bar DF A P D EDN 17 5 kV fig 4 10D SGC SwitchGear Company For the assembly of the earthing copper connection pieces see Assembly of the earthing copper connection pieces 4 4 3 2 Medium voltage switchgear 1 250 A available kits for bus bars The contents of the assembly kits for bus bars may vary depending on the number of cubicles to be connected using the bus bars Each assembly kit is supplied in a sturdy separate packing 4 4 3 2 1 Kit DS178011 CU317812 Bus bar DF EDND L 850 17 5 kV fig 4 10A CU317843 Earthing copper connection piece DF 17 5 24 kV fig 4 10B GR017803 set of fitting material fig 4 10 CU317808 Space block bus bar DF A P D EDN 17 5 kV OIN fig 4 10D earthing copper connection pieces For the assembly of the earthing copper connection pieces see Assembly of the DW602311 SGC SwitchGear Company 4 4 3 2 2 Kit DS178012 CU
92. ront of the cubicles The free passage in front of the cubicles depends on the composition of the medium voltage switchgear If the medium voltage switchgear does not contain transformer cubicle s the minimum free passage is 1 500 mm preferably 2 500 With medium voltage switchgears with a transformer cubicle with a capacity of 2 1 000 KVA the free passage must have a minimum of 2 000 mm 4 1 2 7 Internal arc protection To prevent major material damage and serious physical injury or electrocution in the unlikely event of an internal arc the following installation instructions apply e Leave at least 150 mm free between the rear wall of the cubicles and the wall of the installation area In this way the back plate over pressure system can operate if unlikely an internal arc occurs See Erection 9 A transformer cubicle can always be positioned with its rear side i against the wall e Anchor each cubicle of the medium voltage switchgear using four bolts in the floor See Erection e Connect the cubicles together using the attachment material supplied See Connecting the cubicles Ensure proper fitment of the end panels See Assembly off the end panels In medium voltage switchgears installed in accordance with the above described installation procedure the unlikely internal arc will always be limited to the compartment in which it has occurred DW602311 4 3 SwitchGear Compan
93. st always be carried out after mounting one or more key locks e Check that the fitting materials are properly attached e Check the operation of the key locks If the key locks are mounted on the load break switch of motor operated drive mechanisms always mount the associated auxiliary contacts See DA M Auxiliary contacts for the key locks on the load break switch earth switch e Mount the front panel e Put the particular cell into operation earth switch if present OPEN load break switch CLOSED e Put the medium voltage board back into operation 9 2 4 Mounting of key locks specific for each drive mechanism 9 2 4 1 DP Key locks the earth switch For mounting the two key locks on the load break switch of the DP drive mechanism a specific mounting kit is available e See following table OP100000 Ronis lock incl 2 fig 10 54A key GR040922 DIN 912 5 25 7 fig 10 54 cylindrical screw GR041705 M5 contact 7 fig 10 54C locking ring GR041105 DIN 985 lock nut 7 fig 10 54D nylon ring M5 9 2 4 1 1 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respectively 9 24 DW602311 SGC SwitchGear Company e Loosen the four hexagonal bolts fig 10 55E of the front plate a few strokes e Pull the front plate fig 10 55F forward until there is enough space between th
94. sult the indicated information sources first Protect the medium voltage switchgear from water or damp Yi gt Related documentation The following technical documentation is available for the medium voltage switchgear Spare parts list AG608301 Technical brochure AG601301 DW602311 ix SGC SwitchGear Company Service and technical support For information concerning specific settings maintenance or repair work that is not mentioned here please contact SwitchGear Company nv e In this case always mention the following data cubicle type and voltage serial number of the cubicle s e See Identification of the cubicles Identification of the cubicles Each cubicle of the medium voltage switchgear is fitted with an identification plate fig 0 01 and a stamped serial number fig 0 02 Identification plate e See fig 0 01 cubicle type voltage other technical specifications Serial number As standard the stamped serial number fig 0 02A is on the front of the sidewall or on the horizontal wall level with the front panel fig 0 028 The serial number is visible after removing the front panel See Erection A abe Ft Ur Up 17 5 95 110 50 600 25 63 lass 60298 60694 60265 1 60129
95. tching of the switch es DF 2 cubicles with an interrupting function Every 2 years Making the entire medium voltage switchgear voltage free e See Safety instructions maintenance Every 5 years Removal of the roof panels for cleaning purposes e See Fitting the bus bars Ensure that the entire medium voltage switchgear is voltage free before removing the roof panels Every 10 years Replacing the fuses in DF P cubicles e See Replacing the fuses DF P cubicles DW602311 SGC SwitchGear Company 6 2 1 General checking actions e Regularly carry out a thorough general visual inspection e Check that the cables are still properly attached 6 2 2 Cleaning the DF 2 cubicles Contamination of the DF 2 cubicles can initially be limited by following the IEC recommendations concerning the installation area See Recommendations installation area 6 2 2 1 Cleaning the outside e Read the safety instructions first See Safety instructions maintenance e Clean the outside with a non fluffy cloth and a non corrosive cleaning agent e Rub the cleaned surfaces thoroughly dry 6 2 2 2 Cleaning the inside The entire interior of the DF 2 cubicles must be kept free of dust sediment and other contamination This applies for isolators sets of bus bar apparatus and cable compartments A clean and dust free interior increases the dielectric characteristics and
96. tely levelled The maximum permissible difference in level is 2 mm m 4 1 2 2 Surrounding conditions The DF 2 cubicles have been designed for indoor installation in the following surrounding conditions Surrounding temperature Min 15 C max 45 C Relative air humidity Min 10 max 70 without the formation of condensation installation altitude Max 1 000 m above sea level DW602311 4 1 SwitchGear Company This means that one has to e Avoid installation in dusty areas e Avoid installation in areas with high relative air humidity e Avoid installation in areas subject to lightning strikes e Avoid installation in surroundings where the cubicles can come into contact with aggressive gases or fluids A Contact SwitchGear Company nv when cubicles must be installed in areas where the surrounding conditions cannot be guaranteed 4 1 2 3 Ventilation e Ensure that there is good ventilation of the installation area e Protect the ventilation openings so that little animals or vermin do not have access to the installation area In particular the medium voltage switchgear contains one or more transformer cubicles special attention should be given to the ventilation e Consult the following table when calculating the ventilation value The table indicates the power losses of cast resin transformers 100 1 605 160 2 175 250 2 850 315 3 412 400 4
97. the back plate e Mount the key lock fig 10 57A using the cylindrical screws fig 10 57B the contact locking rings fig 10 57C and the self locking hexagonal nuts fig 10 57D on the back side of the front plate e Attach the pre mounted extension piece fig 10 57E using the cylindrical screw fig 10 57F and the contact locking ring fig 10 57G on the end of the locking shaft fig 10 57 J The rounded side of the lock fig 10 57K must be able to move the extension piece through the cylindrical screw fig 10 571 and down to lock and unlock the load break switch Fix the front plate using the four hexagonal bolts DW602311 9 27 SGC SwitchGear Company 9 2 4 3 DA M Key locks the load break switch earth switch For mounting the two key locks on the load break switch and or earth switch of the DA M drive mechanism the standard set for each switch will be sufficient The example below deals with mounting the key locks on the load break switch The method of mounting is identical to that of the key locks on the earth switch e See following table OP100000 Ronis lock incl key GR040922 DIN 912 M5x25 cylindrical screw GR041705 5 contact 8 fig 10 50 locking ring N fig 10 50A fig 10 508 9 2 4 3 1 Mounting instructions For preparing and finishing work see Preparation for mounting and Final check and commissioning respec
98. the combination load break switch fuse J ays I The position during normal use is as follows N D 1 Load break switch CLOSED the indicator fig 5 12A the synoptic diagram is vertical 00 Earthing switch OPEN the indicator fig 5 128 on the synoptic diagram is horizontal 5 12 In this position the earthing switch is automatically locked It is not possible to close the earthing switch 5 4 DW602311 SGC SwitchGear Company 5 2 4 1 Opening the load break switch and closing the earthing switch 1 l 389 1 Turn the red button fig 5 130 anticlockwise until the load break switch is heard to open 1 The indicator fig 5 13A on the synoptic diagram moves to the horizontal position and the earthing switch is automatically unlocked 2 Place the operating handle fig 5 14C on the operating shaft of the earthing switch Turn the operating shaft clockwise until the earthing switch is heard to close 1 The indicator fig 5 14B on the synoptic diagram moves to the vertical position 2 Turn anticlockwise open switch Turn clockwise close switch e Check with the capacitive voltage indicators with the load break switch in the position OPEN whether there is still voltage in the cables The capacitive voltage indicators must be extinguished If necessary the door can now be opened 5 2 4 2 Opening the earthing switch and closing the load bre
99. thing switch auxiliary earthing switch is lubricated with an approx 0 5 mm thick evenly applied layer of the supplied SGC grease order number 6 002002 DW602311 4 27 SGC SwitchGear Company 4 6 Fitting the front panels e Carefully check whether there are any tools or fitting materials left in the mechanical drive and low voltage compartment e Assemble for each cubicle any options See Assembly of options e Assemble the front panel fig 4 03A using the four hexagonal tap bolts fig 4 03C and the spring washers fig 4 03B amp After assembly of the front panels the floor pans be fitted within all cubicles with the exception of the DF T In cubicles that required cable connection the connection of the cables is usually carried out at the same time as the assembly of the floor pans See Assembly of the floor pans 4 7 Assembly of the floor pans Considering the fact that when installing the cubicles the assembly of the floor pans and the connection of the cables happens almost simultaneously the descriptions of these actions are combined The following applies in all circumstances in the service of the power supply company using the attachment material supplied by SwitchGear Company nv The cables may not ever cross Connection of the cable can only be carried out by qualified and authorised staff 4 7 1 Kit DS178007
100. tively 9 28 DW602311 SGC SwitchGear Company e Mount the key locks fig 10 51A using the cylindrical screws fig 10 51B and the contact locking rings fig 10 51C on the front plate fig 10 51D rounded side of the lock fig 10 51E must smoothly fall into the slot of the i shaft of the switch 9 3 Shunt trip releases Shunt trip releases can be mounted on the drive mechanism of cells with a fuse combination With the help of these shunt trip releases the load break switch can be opened automatically and from a distance 9 3 1 Preparation for mounting The following preparations must always be taken before you start mounting a shunt trip release e Make the entire medium voltage board voltage free Open the particular as well as the load isolation and the earth switches N DW602311 9 29 SGC SwitchGear Company e Dismount the front panel e Loosen the four hexagonal tap bolts fig 10 01C e Remove the four washers fig 10 01B e Remove the front panel fig 10 01A 9 3 2 Mounting of shunt trip releases general Special mounting kits are available for mounting shunt trip releases The composition of these mounting kits and thus the method and or order of mounting varies depending on the type of shunt trip release For further information and detailed mounting instructions for each specific mounting kit see Mounting of shunt trip releases
101. unting and Final check and commissioning respectively Dismount the existing auxiliary contact e Disconnect the plug connections e Loosen the cylindrical screws fig 10 06B e Remove the lock washers fig 10 06C e Remove the carrier plate fig 10 06A with the existing auxiliary contact e Mount the new carrier plate with the auxiliary contacts using the cylindrical screws and the lock washers on the front plate fig 10 06D DW602311 9 17 SGC SwitchGear Company 9 1 4 8 DP Auxiliary contact for indicating the status of fuses For mounting the auxiliary contact that indicates the status of the fuses tripped not tripped a special mounting kit is available for the DP drive mechanism The auxiliary contact has already been pre mounted on the carrier plate See following table OP501111 1x auxiliary 1 fig 10 17A contact adjusted for indicating the status of fuses GR041604 DIN 6798A 4 2 fig 10 17B lock washer GR040909 DIN 912 M4x6 cylindrical screw GR040738 DIN84 M5x40 1 fig 10 17D cylindrical screw with slot GR041005 DIN 934 hexagon nut M5 GR041105 DIN 985 lock nut 1 fig 10 17F M5 GR040739 DIN84 M5x60 1 fig 10 17G cylindrical screw with slot DP995210 Indicator position 1 fig 10 17H fuses WG ZG GR102520 Nylon bearing bush type 28 05 x 810 x 20 N fig 10 17 fig 10 17E fig 10 171
102. ut the medium voltage switchgear back into operation 6 2 4 Switching of the switch es DF 2 cubicles with an interruption function Switches that are hardly ever used must be switched at least every two years to check the functioning of the mechanical components See Operation 6 2 5 Replacing the fuse DF P cubicles The fuses in DF P cubicles must be replaced at least every 10 operating years or sooner if a repair task is necessary in this frame for example after one of the fuses was tripped A Always replace all three HOV fuses at the same time even when only one is defective e Make the entire medium voltage switchgear voltage free See Safety instructions maintenance Remove the door See Unpacking 6 6 DW602311 SGC SwitchGear Company Remove the three fuses starting with the front fuse e Push the fuse fig 6 05C at the top out of the spring clip fig 6 05A e Take the fuse out of the spring clip at the bottom fig 6 05B Fit the new fuses Start at the back of the cubicle and work methodically towards the door opening Ensure that the hitting bolts fig 6 05E are at A the top The indicator on the fuse fig 6 05D should point upwards e Fit the fuse in the bottom spring clip fig 6 05B e With a rotating movement push the fuse into the top spring clip fig 6 05A This prevents damage to the bending of the spring clip Manually check the tripping
103. various cubicles of the medium voltage switchgear are electrically connected by means of a bus bar The modular bus bar consists of three bars made from electrolytic copper F25 which should be fitted when the medium voltage switchgear is installed See Fitting the bus bars 1 2 2 Apparatus compartment The equipment compartment is between the bus bar compartment and the cable compartment Depending on the version this compartment contains one or two load break switches 1 2 2 1 Load break switch The RV 44 load break switch forms the physical segregation between the bus bar compartment and the cable compartment The load break switch is filled with SFs gas sulphur hexafluoride and sealed for life The special characteristics of the SF gas in the casing fulfil an isolating as well as an arc extinguishing function The load break switch is a two position switch that connects or interrupts the electrical voltage between the high voltage cables and the bus bar The position of the load break switch is clearly indicated in the synoptic diagram Depending on the version the load break switch is operated manually or electrically See Drive mechanism 1 2 3 Cable compartment The cable compartment is behind the lockable removable door Depending on the version this compartment contains one or more of the following items 20 earthing switch Fuse switch combination Circuit breaker Provisions for securing the sup
104. which four or a different even number of cubicles must be connected with the sets of bus bars the second set of bus bars is fitted onto the first and the third set of bus bars the fourth onto the third and the fifth set of bus bars etc This method applies for all medium voltage switchgears with an even number of cubicles and so an uneven number of bar sets 4 4 3 5 1 Preparation Ensure that the entire medium voltage switchgear is voltage free Y DW602311 4 19 SGC 4 4 itchGear Company 3 5 2 Assembly procedures amp For the contents the see the table Place the bus bars fig 4 13A alternately on the copper contacts fig 4 13E of the load break switches or on the previous and following bar Fit the bus bars using the fitting material supplied fig 4 13 Hexagonal tap bolts M12x35 fig 4 13H Lock washers 2 M12 fig 4 13G Flat washers 2 M12 fig 4 13F Tighten the hexagonal tap bolts to a torque of 35 Nm DW602311 SGC SwitchGear Company 4 4 3 6 Medium voltage switchgear 1 250 A composed of two cubicles Medium voltage switchgears composed of two cubicles are connected with one set of double bus bars 4 4 3 6 1 Preparation Ensure that the entire medium voltage switchgear is voltage free 2 4 4 3 6 2 Assembly procedures For the contents of the see the table e Mount the bottom bars
105. xiliary contacts OP403121 3x auxiliary contact shaft left handed model on carrier plate for three auxiliary contacts e See following table OP403121 3x auxiliary 1 contact shaft left handed model pre mounted on carrier plate fig 10 09A GR041604 DIN 6798A M4 lock washer N fig 10 09B GR040909 DIN 912 M4x6 cylindrical screw N fig 10 09C 9 1 4 3 2 Mounting instructions check and commissioning respectively J For preparing and finishing work see Preparation for mounting and Final DW602311 SGC SwitchGear Company e Mount the carrier plate with the auxiliary contacts fig 10 10A using the cylindrical screws fig 10 10C and the lock washers fig 10 10B on the front plate fig 10 10D The front plate is provided with holes for this 9 1 4 4 DA EDN D Auxiliary contact s the load break switch For mounting auxiliary contacts on the load break switch of the DA EDN D drive mechanism several mounting kits are available The composition of these mounting kits vary depending on factors such as number of contacts ordered version left or right handed of the auxiliary contacts type of auxiliary contact shaft or wheel In all cases the auxiliary contacts have already been pre mounted on the carrier plate DW602311 9 9 SGC SwitchGear Company 9 1 4 4 1 Available auxiliary contacts
106. y 4 2 Unpacking The DF 2 cubicles are packed as standard in protective foil and mounted on a euro pallet The most suitable place for unpacking the cubicles is of course the definitive installation area e Clip or cut the straps securing the cubicle to the pallet e Carefully remove the protection foil e Check against the delivery receipt that the cubicle is complete e Check the cubicle for any transportation damage If parts are missing damaged contact the conveyor SwitchGear Company nv Seriously damaged cubicles must always be returned to SwitchGear Company nv e Carefully lift the cubicle off the pallet CAUTION A The cubicles are fitted with lifting eyes if requested If you use these fittings use suitable hoisting and lifting machinery in perfect condition and with sufficient hoisting capacity only Observe the applicable safety precautions The handling and operating of hoisting or lifting machinery is restricted to experienced staff within the visible and shouting range of the operator of the hoisting or lifting machinery e Remove the pallet e Remove the door e Turn the locking latch in the middle above the door e Grasp the handle of the door to the cable compartment with both hands e Carefully lift the door out Cubicles fitted with a load break switch and earthing switch are delivered as standard in the position load break switch OPEN earthing switch CLOSED N 32 In th

DF-2 User`s manual - Elpro

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