Instruction Manual - On Line Power Technologies
Contents
1. Rated voltage Frequency Power frequency DC Test 15 5 kV 60 Hz 35kV 1 60Hz 30 kV DC 15 User Manual DEBA n v On Line Power Technologies March 2008 5 1 29 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch OPERATING THE SWITCH Operating the switch by the mean of the motor operated mechanical spring drive The Submersible Switch SU 3G is a motor operated load break switch fed by an external user supplied 48VDC source usually the optional control panel at 48 VDC Connect the two control cables to the terminals Connect the switch to the HV Network by means of the HV cables with straight or elbow connectors 4 2 Connecting the Submersible Switch SU 3G to the network When energized the Submersible Switch SU 3G switch provides 208 Vac from the voltage transformers of the switch which can feed out to a battery and charging system usually in an optionally provided control box The motor of the mechanical drive is energized via the LV control cables plugged in the connectors of the front cover To close the switch electrically o o o o Make sure the switch is charged Send an ON command via the correct pins on the connector usually via the optional control box The switch will CLOSE The Submersible Switch SU 3G will annunciate the close via dry auxiliary contacts and a large semaphore flag on the front of the switch Also the PT s will note the pre2. DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch SU 3G Urban Submersible Fast Switch CONTENTS PREFACE A This document B Safety alerts used on the Submersible Switch SU 3G C Safety alerts used in the documentation D Location of the safety labels on the Submersible Switch SU 3G E Related documentation F Service and technical support G Identification of the switches H Identification plate and location Serial number and manufacturing date J General safety directions and instructions K User s manual L Pictograms and safety symbols M Operator s N Technical specifications O Transport storage installation and maintenance P Intended use 1 GENERAL DESCRIPTION OF THE SUBMERSIBLE SWITCH SU 3G 1 1 Preamble 1 2 Description of the SU 3G switch 1 2 1 Front view 1 2 Rear view 1 23 Side view 1 2 4 3D View without bushing protection cover 1 2 5 Mechanical spring drive Air filled compartment 1 2 6 SF6 insulated HV compartment 1 3 Overall dimensions 1 4 Technical specifications 2 TRANSPORT AND STORAGE 2 1 Transport conditions and incidents 2 2 Safety instructions Transport 2 3 Safety instructions Storage 3 HANDLING 3 1 Handling the Submersible Switch SU 3 3 2 Centre of gravity User Manual DEBA n v On Line Power Technologies March 2008 XQO O CO cO cO O0 O0 00 4 H OO O O O Ce DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Subm
3. 4 INSTALLATION OF THE SUBMERSIBLE SWITCH SU 3G AND ROUTINE TESTING 4 1 introduction of the switch into the manhole and installation 21 Remove the switch from any remaining packaging or pallets by using properly rated and sized slings Handle store and disguard any packing in accordance with all local environmental health and safety rules Avoid any impact or damage during this operation Carefully again insure that there is no visible damage on the switch In case of any damages please proceed as mention in 2 1 and return the switch to the closest factory authorized service center see page 6 Place the switch beside the manhole or vault Carefully prepare the move ahead of lifting the SU 3G Have a safety plan in place for all eventualities To lower the switch into the manhole change the position of the hoisting slings to allow the lifting of the switch from the horizontal into the vertical position i e use the front mounted lifting eyes When using the front lifting lugs always take into consideration the right length including the depth of the manhole size and weight of the switch User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch e Once in vertical position lower the switch slowly to its final installation location e Always fastened the switch securely on its final mounting place with the proper anchor bolts and bracke
4. 2 pina Open aignal control 2 pins Close signal control 4 pina switch position B pins 3 Phose voltage 4 pins J Phase current 2 pins SFG pressure switch with alarm pressure 2 pina SFE density switch with alarm contact Pin nr 1 Open signal control Pin nr 2 Open signal control Pin nr 5 Close signal control Pin nr 4 Close signal control Pin Pin Pin Pin Pin Pin nr 5 SFB pressure switch nr 6 SF6 presaure awitch nr 7 SFG density switch nr 8 nr 9 nr 10 Switch position Normal closed signal nrii Switch position Normal Open supply the voltage nr 12 Switch position Normal Open signal nr 13 Phase voltage Al nr 14 Phase voltage B1 nr 15 Phase voltage C1 nri6 Phase voltage A2 nr 17 Phase voltage B2 nr 18 Phase voltage C2 nr 19 Phase current Al nr 20 Phase current B nr 21 Phase current C1 nr 22 PE ground for current measurement nr 23 Speed ond mation signal nr 24 Speed and motion signal User Manual DEBA n v On Line Power Technologies March 2008 27 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 4 4 Routine Hi Pot testing of the Submersible Switch SU 3G e The following table indicates the values associated with the factory testing of the Submersible Switch SU 3G Routine on site testing of a new or in service Submersible Switch SU 3G should be performed at 80 of said values
5. Ratings C Current Related Ratings D All other technical specifications Nameplate User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch Serial number and manufacturing date As a standard the Submersible Switch SU 3G is equipped with bolted stainless steal nameplates throughout fig 1 page 5 The Main Ratings nameplate is located on the lower right corner of the front cover of the switch The nameplate is engraved with the serial number and the manufacturing year Whenever possible when contacting your Submersibles Switch SU 3G service amp support center always include the following information s Year of manufacturing Serial number J General safety directions and instructions Deba nv and On Line Power Technology Inc does not accept any liability for damage including special indirect or consequential damages for any injury caused as a result of not strictly following the safety directions and instructions or by negligence during the installation the use the maintenance and or the repair of the SU 3G Submersible Switch and any accompanying options Depending on the specific user circumstances or switch options provided extra safety instructions may be necessary Please contact your service support center immediately if you are encounter a potential danger when using the Submersible Switch SU 3G The Owner O
6. Submersible is used to indicate a randomly occurring intermittent condition For detail see General Description In the documentation the words left right front and behind are used to indicate a specific part of the Submersible Switch The starting point for this is always the position of the operator standing at the front side of the Submersible Switch B Safety alert s used on the Submersible Switch SU 3G The following pictogram are used on the Submersible Switch WARNING Danger of high voltage Access to the specific part of the Submersible Switch is only allowed after the unit is voltage free No drilling Sealed unit Never drill into the tank Contained pressurized SF6 gas o e C Safety alert s used in the documentation In this installation and maintenance instruction manual of the Submersible Switch SU 3G the following pictograms are used CAUTION Procedure that can when not carried out with the necessary care result in damage to the SU 3G Submersible Switch the surrounding area or the environment WARNING Danger of high voltage Notes suggestions and advices Consult the indicated information source first m mS e User Manual DEBA n v On Line Power Technologies March 2008 CA DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch D Location of the safety labels on the Submersible Switch SU 3G Danger Never drill into the tank Contains pressuriz
7. any needs in these matters see page 6 M 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 the Submersible Switch SU 3G Temporary workers staff and personnel in training may not operate the Submersible Switch SU 3G in any way N Technical specifications e The technical specifications may not be changed e Modification to or replacement with any non standard parts to the Submersible Switch SU 3G is totally not permissible O Transport storage installation use and maintenance Refer to the different chapters related to the concerned matter from pages 18 to 33 of this manual P Intended use The Submersible Switch SU 3G is exclusively designed to be using within its defined ratings for feeder sectionalising and load transfer between various feeders and substations as well as the isolation of faulty feeder sections all to be in accordance with the specifications and conditions provided by Deba nv Any other use is not in conformity with the intended purpose 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
8. cable 20 IP 68 6 pins fixed male connector 21 IP 68 6 pins detachable female connector and 25 feet power cable 22 IP 68 protection cover for 24 pins fixed male connector 23 IP 68 protection cover for 6 pins fixed male connector 24 IP 68 protection cover for 24 pins detachable female connector 25 IP 68 protection cover for 6 pins detachable female connector 26 10 Ohm resistance for CT secondary Auxiliary voltage to be precised User Manual DEBA n v On Line Power Technologies March 2008 36 37 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch NOTES User Manual DEBA n v On Line Power Technologies March 2008
9. is considered normal use Operating the product within the limits of its intended use also involves observing the instructions in the user manual User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Ince SU 3G Submersible Load Break Switch Deba nv and On Line Power Technology Inc shall accepts no liability and shall fully be held harmless for any damage or injury resulting from any inappropriate unspecified or misapplied use of any SU 3G switch The Submersible Switch SU 3G is in accordance with the applicable standards and guidelines See the technical brochure Only use the Submersible Switch SU 3G in technically perfect condition in accordance with the intended use described above Always keep sealed connections if any intact at all times Breaking the sealed A connections irrevocably voids any claim under guarantee User Manual DEBA n v On Line Power Technologies March 2008 10 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 1 GENERAL DESCRIPTION OF THE SUBMERSIBLE SWITCH SU 3G 1 1 Preamble The Submersible Switch SU 3G is to be used for sectionalising and load transfer on primary feeders on the 15 kV network Its application is limited to locations where available fault current is a maximum of 40 kA sym The switch may be installed below ground level in vaults which may on occasion become flooded to a maximum of 10 feet water 1 2
10. DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch SU 3G URBAN SUBMERSIBLE FAST SWITCH 15KV 900A 40 KA INSTALLATION AND MAINTENANCE INSTRUCTION MANUAL User Manual DEBA n On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch SU 3G Urban Submersible Fast Switch 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 Deba n v 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 SU 3G Urban Submersible Fast Switch Therefore Deba nv cannot be held liable for any damage resulting from specifications that differ from the standard version of the SU 3G Urban Submersible Fast Switch The available information has been assembled with the greatest possible care but Deba n v cannot be held liable for any mistakes in the information or the consequences thereof The user names trade names trade marks etc used by Deba n v in accordance with the legislation concerning the protection of trademarks cannot be considered to be free User Manual DEBA n v On Line Power Technologies March 2008
11. DEBA n v On Line Power Technologies March 2008 24 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch Cables must be physically blocked and braced so that they do not put any mechanical stresses on the Submersible Switch SU 3G bushings neither from their cable weight nor due to fault flexing 4 3 Connecting the low voltage control cables In order to allow the control the monitoring the communication and the feeding of the auxiliary voltage the front cover is equipped with two LV detachable IP68 connectors 6 Pins connector 24 Pins connector Left hand connector male and female insert of 24 pins Right hand connector male and female insert of 6 pins The purpose of these connectors is Providing the auxiliary voltage of 208 VAC from the internal switch PT s to the control cabinet Providing 48 VDC control power into the switches electrical operating mechanism The transfer of the open and close signal The 3 phase voltage monitoring on each side of the switch for voltage monitoring and sync check when the switch is open The 3 phase current monitoring The switch position from voltage free internal auxiliary switch The SFe density low alarm The SFs gas pressure low alarm User Manual DEBA n v On Line Power Technologies March 2008 25 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch e The connectors are fitted with a 25 foot control cable ad
12. Description of the Submersible Switch SU 3G 1 2 1 Front view Bushing protection cover Operating axle protection covers with padlock O Lifting eyes Local pressure Ye monitoring Switch position indicator Remote monitoring connector Auxiliary power connector User Manual DEBA n v On Line Power Technologies March 2008 11 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 1 2 2 Rear View Bushing protection Lifting eyes Stainless steel tank 1 2 3 Side view Bushing protection cover Identification E number i DERE i S a pracKets User Manual DEBA n v On Line Power Technologies March 2008 12 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 1 2 4 3D View without bushing protection cover Rear cover Lifting eyes identification nameplates User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 1 2 5 Mechanical spring drive Air filled compartment Auxiliary switch Tripping coil Auxiliary switch Gas density Main operating Local pressure monitoring shaft gauge Lanyard handle CT PT bushings CT PT bushings Position Motor Electroni indicator vd device s Closing coil User Manual DEBA n v On Line Power Technologies March 2008 14 DEBA NV ON LINE POWER TECHNOLOGIES I
13. apted to the functions of each of the cables e One side of the cable is connected to the Harting plugs the opposite side has to be connected to the appropriate points inside the control cabinet by the customer Contact On Line Power Technologies or DEBA to obtain OEM control cabinet quotes User Manual DEBA n v On Line Power Technologies March 2008 26 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 4 3 1 Single line diagram 3G FAST SWITCH 36 FAST SWITCH ELECTRIC SCHEME RV54 LOAD B ISWITCH GROUND RESSURE SW ENSITY SWITCH ESISTOR 10 OHM cn 3 REAK RV44 pre CT2 CT3 ai SIT ISP E Motor control and electronic device CURRENT TRANSFORMER 1 TO 3 VOLTAGE TRANSFORMER 1 TO 4 SP1 2 SWITCH POSITION OPENED CLOSED OS OPEN SIGNAL control CS CLOSE SIGNAL control Ds Ri Connector 1 Harting HAN HPR IP68 4 pins AC power from switch to control cabinet 2 pine 48V DC power from control cabinet to awltch pln pin pln Pin Pin Pin nr 1 nr 2 nr X nr 4 nr 5 nr 8 power cable Bpins Si of YTI Phase A1 mL1 52 of YTI and S1 of VTZ Phase B L2 S2 of VT2 Phosa C1 L3 Ground of switch 48Vde Ground of supply valtage 4BVdc Connector 2 control and communication cable 24pins Harting HAN HPR IP88
14. ble Load Break Switch 2 TRANSPORT AND STORAGE 2 1 Transport condition and incidents The switches are shipped palletised and crated Upon receiving the Submersible Switch SU 3G whether for storage or immediate use always carefully check for any shipping damage immediately upon unloading the Submersible Switch SU 3G from the carrier of conveyance Always check the bill of lading and compare with the ordered goods If any visible damage is evident at all IMMEDIATELY proceed as follow Immediately inform the carrier in writing Photograph the damages and submit to the carrier and company in the immediate sales chain Ask for an inspection by the carrier Mark the delivery documents with inspection findings and keep copy for your records and those in the immediate sales chain Send an official claim to the carrier If a damage is discovered after the unpacking of the switches Immediately inform the carrier in writing Any obvious external damages noted after 15 days of the receipt of the goods and not notified as a claim on the carrier will not be considered as a warrant matter Photograph the damages and submit to the carrier and company in the immediate sales chain Ask for an inspection by the carrier Mark the delivery documents with inspection findings and keep copy for your records and those in the immediate sales chain Send an official claim to the carrier stainless steel enclosure The SU 3G drive section is locate
15. cated maintenance tasks are restricted to trained and qualified personnel e Ensure that the unit is voltage free before to carry any maintenance action e Put the switch back in service after all tools have been removed and the unit again correctly connected to the network and to the control panel 6 2 Maintenance General The SU 3G Submersible Switch has been design to operate problem free with a minimum of maintenance To guarantee this a few simple maintenance and cleaning actions are necessary The maintenance intervals should be instituted based on frequency of operation and the environmental conditions in which the switch resides Exceptions to this are the following tasks Every two years o ooooooooooooo o o Make the entire switch voltage free and isolate from the network Remove the straight or elbow connectors Remove the LV Harting connectors Remove the axle protection cap padlock Remove the axle protection cap Operate the switch with the operating handle by turning the handle clockwise Check the position indicator Position CLOSED Open the switch by means of the string on the tripping handle Check the position indicator Position OPENED Repeat this operation about 5 to 10 times Remove the operating handle Place the axle protection cap Lock the padlock Clean the outside of the tank with a non fluffy cloth and a non corrosive cleaning agent Clean carefully the bushings w
16. d behind the bolted f The Submersible Switch SU G is a sealed for life switch in a sealed for life front cover It is a hermitically sealed air insulated compartment and is the only accessible part of the switch In the case of any damage always immediately inform your closest SU 3G service center and never detach the cover by your own 18 User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 2 2 Safety instructions transport All handling rigging installation and operation of the Submersible Switch SU 3G is restricted to qualified and trained operators ONLY All locally applicable safety standards government and private as well as the units instruction manuals and guidelines shall be strictly followed The Submersible Switch SU 3G is designed to be a vault mounted device and can be transported and located in normal outdoor conditions The unit comes as standard with a metal bushing protection cover fitted and bolted on the top of the switch Once rigged safely into place and installation of load cables are to begin the protective bushing cover can be removed and the bushing studs installed see instruction for this procedure e Before transporting the Submersible Switch SU 3G o Ensure secure attachment of the switch to forklift hand trolley or any other handling tool o Check that all parts are properly attached especially th
17. e protection cover of the bushings e Transport them preferably in a horizontal position e Placing the unit in the vault through the manhole can only be made in vertical position e Do not place other objects or tools on the Submersible Switch SU 3G during transportation otherwise been seriously damaged must always be returned for control to the A switch that have fallen during the transportation or during the handling or have related service centre before to put the switch into operation see page 6 2 3 Safety instructions storage e Also see the General safety directions and instructions e Never stack switches on top of each other e Store the switches preferably in a dry and dust free area User Manual DEBA n v On Line Power Technologies March 2008 19 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 3 HANDLING 3 1 Handling the Submersible Switch SU 3G 2 avoid any injury or damage of the equipment For the lifting of the switch use adapted hoist slings to prevent any damage to the switch during the lifting When handling the Submersible Switch SU 3G observe the instructions bellow to 3 2 Centre of gravity The centre of gravity is located as shown bellow 1 3 2 3 Total weight xxxx kg xxxxx Ibs User Manual DEBA n v On Line Power Technologies March 2008 20 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch
18. ed SFe gas Danger Never drill into the tank Contains pressurized SF gas E Related documentation Danger Never drill into the tank Contains pressurized SFe gas Danger b Never drill into the tank Contains pressurized SFe gas The following documentation is available for the Submersible Switch SU 3G Spare part list Technical literature F Service and technical support See page 35 of this user s manual For information concerning specific settings maintenance or repair work that is not mentioned in this document please contact the following companies Supply in the United States of America On Line Power Technologies Inc 113 Sunnyside Drive 10705 YONKERS NEW YORK USA Tel 1 0 914 968 44 40 Fax 1 0 914 968 11 66 brucehack worldnet att net Supply in Europe DEBA NV Moorstraat 24 9850 NEVELE BELGIUM Tel 32 0 9371 75 51 Fax 32 0 9371 59 25 info deba biz www deba biz User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch G Identification of the switch Every Submersible Switch SU 3G is fitted with an identification plate containing the serial number the type designation the manufacturing date the rated voltage and all other specifications Fig 1 Manufacturing date H Identification plate and location As shown here above A Type designation B Voltage Related
19. ersible Load Break Switch SU 3G Urban Submersible Fast Switch 4 INSTALLATION OF THE SUBMERSIBLE SWITCH SU 3G AND ROUTINE TESTING 4 1 Introduction of the switch into the manhole and installation 4 2 Connecting the Submersible Switch to the HV network 4 3 Connecting the LV control cable 4 3 1 Single line diagram of the control and auxiliary power circuit 4 4 Routine testing of the Submersible Switch SU 3G switch 5 OPERATING THE SUBMERSIBLE SWITCH SU 3G 5 1 Operating the Submersible Switch by the mean of the motor operated mechanical spring drive 5 2 Using the operating handle for charging the mechanical spring drive 5 3 Emergency opening closing of the switch 6 MAINTENANCE 6 1 Safety instructions Maintenance 6 2 Maintenance General 6 2 1 General checking actions 6 2 2 SF Pressure indicators 7 SUBMERSIBLE SWITCH SU 3G AND THE ENVIRONMENT 7 1 Packing material 7 2 Disposal of the switch 8 LIST OF AVAILABLE COMPONENTS AND SPARE PARTS 8 1 Mechanical drive compartment 8 1 1 Important remark NOTES User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch PREFACE A This document This document is intended as a reference with which qualified and trained operators can transport install use and maintain the SU 3G Urban Submersible Fast Switch Submersible Switch SU 3G in a safe and economic way This document s definition of
20. ith a clean non fluffy dry cloth Place a thin layer of silicone grease on the bushings The cleaning of the bushings should be done with isopropyl alcohol UN Number 1219 Formula C3HgO with exception of any other chlorous solvent 32 User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch o Clean the inside of the straight or elbow connectors with a clean non fluffy dry cloth o Connect the unit to the network by fixing the straight or elbow connectors on the bushings o Connect the cable earthings o Plug both Harting LV connectors The unit is again ready to operate 6 2 1 General checking actions e Regularly carry out a thorough general visual inspection e Check that the cables are still properly fixed 6 2 2 SF Pressure indicator The switch is equipped with two SF6 pressure indicators Local pressure indicator showing the safe operation range of the switch Low density sensor for remote indication The remote indicator will always indicate pressure failure Before to re energize the switch insure that the local pressure indicator is on the safe operation range User Manual DEBA n v On Line Power Technologies March 2008 33 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 7 SUBMERSIBLE SWITCH SU 3G AND THE ENVIRONMENT 7 1 Packing material e The packing material consists of o Untreated wood
21. nc SU 3G Submersible Load Break Switch 1 2 6 SF6 insulated HV compartment Bushing protection RV44 Load break switch Flexible connections Stainless steel tank Dampers Voltage Current transformers transformers User Manual DEBA n v On Line Power Technologies March 2008 15 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 1 3 Overall dimensions User Manual DEBA n v On Line Power Technologies March 2008 16 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch Technical specifications Submersible Switch SU 3G Rating design voltage 15 5 kV Rated voltage 13 8 kV 60 Hz 1 min withstand 35 kV DC 15 min withstand 30 kV BIL Rating 95 kV Continuous current 900 Amp Load interrupting current 900 Amp Momentary current 40 kA sym Close and Latch 40 kA sym 63 kA sym 104 kA Peak One second current 40 kA sym Magnetizing interruption current 21A Cable charging interrupting current 50A Make time 3 to 4 cycles Break time 3 to 4 cycles Total weight 262 5 lbs Insulating medium SF low pressure Sealed for life design Ambient operating temperature 30 C to 50 C Related standards IEC6227 1 100 ANSI IEE Std C37 71 2001 User Manual DEBA n v On Line Power Technologies March 2008 17 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersi
22. o Plastic straps o Plastic film protection e Contact the local cleansing department for the details of recycling or an environmental friendly way of processing the packing materials e Tender the packing material as instructed separated 7 2 Disposal of the switches With a view of the re use of electrical components the SU 3G Submersible Switch filled with SF6 gas Sulphur Hexafluoride could be returned to Deba nv at the end of the their life or when damage after a common agreement Therefore contact your service centre If this is not possible the switch must be processed in an environmental friendly way User Manual DEBA n v On Line Power Technologies March 2008 34 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 8 LIST OF AVAILABLE COMPONENTS AND SPARE PARTS 8 1 Mechanical drive compartment 8 1 1 Important remark The mechanical drive compartment with all covers and seals properly in place and secured is designed as a watertight compartment The multi bolt O ring gasketed front cover is removable to allow access to the electro mechanical drive compartment and all its components Access during the Warranty period Must be performed by an Authorized DEBA or On Line Power Technologies service center only Should after warranty access to the electro mechanical drive compartment for whatever reason be desired the front cover has to be unbolted After any intervention into the mechanical drive com
23. oad Break Switch 4 2 Connecting the Submersible Switch SU 3G to the HV network The SU 3G Submersible Switch can only be connected to the network through elbows or straight connectors compatible with the size and type of the bushings provided in that particular SU 3G switch The bushing type of the 900 amp SU 3G switch is Elastimold K675S1 CS362 short shank model Connecting the SU 3G by other method may result in serious property damage serious personal injury and death Using any other method voids the warranty and negates the unit s submersibility e Remove the shipping cover from the high voltage connecting bushings of the Submersible Switch SU 3G e The 6 bushings identified A1 A2 B1 B2 C1 C2 are visible e Beside each of the bushings is a plastic bag containing a rubber protection cap and the fixing stud for the cable connector e Remove the plastic bags and bolt the fixing studs of the connectors e Place the rubber protection caps in a secured place e Terminate the cables with the straight or elbow connectors as described in the manufacturer s procedure e Clean the bushings and the inside of the cable connectors with a non fluffy clean dry cloth e Place a thin layer of silicone grease on the bushings e Fix the connector to the bushing with the supplied fixing components and place the Elastimold covers on the connectors e Connect the cable ground shields to the grounding network of the vault User Manual
24. of the operator Place the protection cap again on the axle e Place and lock the padlock again Always put the key of the padlock in a safe place A copy of the key should be stored in the engineer s office 5 3 Emergency opening closing of the switch The switch is equipped with a stored energy mechanism release lever It is designed for safe out of the hole manual operation of a charged Submersible Switch SU 3G Remove lock and waterproof O Ringed cap Connect a lanyard to the lever Without applying any pressure or force on the lanyard bring it out of the manhole If the stored energy mechanism is charged pulling the lanyard will release the stored energy mechanism prop latch releasing the spring s energy and changing the state of the switch Pulling the lanyard will change whatever state the charged switch in either from OPEN to CLOSE or from CLOSE to OPEN Always remember to snugly replace the threaded o ringed cap Also remember to replace any locks that may be applicable User Manual DEBA n v On Line Power Technologies March 2008 31 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 6 MAINTENANCE 6 1 Safety 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 indi
25. partment the sealing O ring MUST be replaced with a new O ring gasket and the cover bolts tightened in a symmetrical manner with extreme care Accessing the drive compartment by any entity other than an authorized service center will void all warranties It is strongly recommend that an Authorized Service Center of DEBA or On Line Power Technologies ONLY accomplish maintenance beyond switch inspection and excerciseing 1 Mechanical drive type DP A M MEC DP Mechanical drive type DP A M MEC with DP electronic device 3 Tripping coil 4 Auxiliary contacts Motor cut off relay 5 Local pressure gauge OP 6 Gas density monitor OP 7 LV rail type connectors OP 8 Motor and associated gear box 9 Operating handle DF045600 10 _ Electronic synchronisation device 11 Spring charge shaft or lanyard water sealed protection cover User Manual DEBA n v On Line Power Technologies March 2008 35 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch 12 Padlocks for spring charge and lanyard water sealed protection cover 13 Front cover window for position indicator and or local pressure gauge 14 Instruction manual 15 Bushing protection caps 16 Metal bushing protection cover 17 _ Threaded bushing studs 18 IP 68 24 pins fixed male connector 19 IP 68 24 pins detachable female connector and 25 feet control
26. perator of the Submersible Switch SU 3G is fully responsible at all times for following all local codes practices utility and government requirements and proper safety directions and quidelines as well as proper maintenance as directed herein K User s manual e Anyone operating or maintaining the Submersible Switch SU 3G must become intimately familiar with the contents of the user s manual and follow the directions contained therein Only fully trained individuals should be allowed in the vicinity of operating Submersible SU 3G switches No one other than fully trained individuals should be allowed to operation or attempt to maintain a Submersible Switch SU 3G e Never change the order of the actions to be taken as defined herein User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch e Always keep the user s manual in the vicinity of the Submersible Switch SU 3G in a safe and designated location where it can easily been referenced L Pictograms and safety symbols Pictograms symbols and instructions fitted to the Submersible Switch SU 3G 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 lifetime of the Submersible Switch SU 3G e Replace or repair unreadable or damaged pictograms symbols and instructions Immediately contact your service support center for
27. sence of line voltage on both sides of the switch To open the switch electrically o o Make sure switch is charged Send an OFF command via the correct pins on the Harting connector usually via the optional control box The switch will OPEN The Submersible Switch SU 3G will annunciate the open via dry auxiliary contacts and a large semaphore flag on the front of the switch Also the PT s will note the absence of line voltage on both sides of the switch if the switch is on a radial feeder User Manual DEBA n v On Line Power Technologies March 2008 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch A Before any local operation always control the SF6 pressure by viewing the gauge C E m C Cm j E e 5 2 Using the operating handle for charging the mechanical spring drive e f for any unknown reason the motor operation of the drive does not work it remains possible to close the switch by means of an operating handle e Unlock the padlock of the main shafts protection cap User Manual DEBA n v On Line Power Technologies March 2008 30 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch Remove the protection cap Use the operating handle and properly insert the handle on the main shaft Turn the operating handle clockwise until the switch closes The position indicator mention CLOSED o The mechanism always switches independently
28. ts by using the SU 3G mounting bracket boltholes Fixing e Securely connect the grounding boss of the switch to the grounding system available in the manhole in accordance with the local utility standards User Manual DEBA n v On Line Power Technologies March 2008 22 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible Load Break Switch e Remove the shipping protection cover of the switch to allow access to the HV bushings e The bushings are now accessible A plastic storage bag containing 6 protective bushing caps and bushing connector fixing bolts is located under the bushing protective cover the switch into the vault proceed to the cable connection of the switch If the cable connection will be made at a later time place the protective caps on the bushings and store the remaining parts in a secured place If the connection of the HV cables is to be made immediately after the placement of e The Submersible Switch SU 3G is now ready for the connection of the HV cables as well as for the connection of the LV communication and auxiliary power cables Submersible Switch SU 3G has to be installed by the user in accordance with the Any eventual supplementary component that is not part of the supply of the AN local standards and or the manufacturer s instructions User Manual DEBA n v On Line Power Technologies March 2008 23 DEBA NV ON LINE POWER TECHNOLOGIES Inc SU 3G Submersible L
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