Siemens PR4018-05 Instruction manual
Contents
1. Position Indicator Type TLG Dial Switch Type TLG Quick Break Mechanism Type TLF Dial Switch Type TLF Quick Break Mechanism Bypass BUSNINGS Lao For Emergency Service Call 1 800 241 4453 Siemens Power Transmission amp Distribution Inc Page 13 13 13 14 15 15 16 17 18 19 20 21 22 23 THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PR VIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION OPERATION OR MAI TENANCE SHOULD FURTHER INFOR MATION BE DESIRED OR PROBLEMS ARISE WHICH ARE NOT COVERED SUFI CIENTLY FOR THE PURCHASER S PURPOSES THE MATTER SHOULD BE REFERRED TO YOUR SIEMENS POWE TRANSMISSION amp DISTRIBUTION LLC REPRESENTATIVE THE CONTENTS OF THIS INSTRUCTION MANUAL SHALL NOT BECOME PART OF OR MODIFY ANY PRIOR OR EXI INGAGREEMENT COMMITMENT OR RELATIONSHIP THE SALES CONTRACT CONTAINS THE ENTIRE OBLIGATION SIEMENS POWER TRANSMISSION amp DISTRIBUTION LLC THE WARRANTY CONTAINED IN THE CONTRACT BETWEE THE PARTIES IS THE SOLE WARRANTY OF SIEMENS POWER TRANSMISSION amp DISTRIBUTION LLC ANY STAT MENTS CONTAINED HERON DO NOT CREATE NEW WARRANTIES OR MODIFY THE EXISTING WARRANTY INTRODUCTION Page 1 Type JFR single phase step2. Stationary Contact RH Reversing Drive Pin Collector Ring Reversing Shaft Shaft Assembly Spacer Main Finger Assembly each Contact Finger Support Contact Finger Assembly Collector Ring Contact Finger Support Contact Finger Assembly Collector Hub Reversing Switch Stop PARTS LIST Page 21 TYPE TLF QUICK BREAK MECHANISM NOTE Motor capacitor may be located 5287 in control box gt T E E SIE P lt White E Three Wire Motor Black White E 5269 5276 5275 5291 5265 Four Wire Motor Figure 21A Description Description Interlock Disc and Drive Sprocket Assembly Counter Switch Assembly Quick Break Mechanism Shaft Neutral Switch Actuating Arm Assembly Mounting Frame Spacer Motor A Frame Drive Spring Tube Drive Chain for Position Indicator Drive Spring Motor Sprocket Spacer Motor Capacitor may be located in control box Notched Index Plate Actuating Disc and Sprocket Latch Main Drive Chain Latch Spring Position Indicator Drive Mechanism Latch Pin Reversing Switch Spring Assembly Reversing Switch Drive Arm Flexible Shaft This neutral switch switch became effective Include regulator serial number when ordering and specify whether with type TLF 30D quick break mechanism brown phenolic or gray polyester material Motor capacitor located in control box effective with S N 05582 PARTS LIST Page 22 BYPASS ARRESTERS Description Bypass Arrester Assemb
3. amp BALANCE WINDING CONTROL P6 P4 SUPPLY P7 P5 P3 E2 Schematic diagram of typical Type B JFR regulator utilizing single potential source for motor and control circuit Page 7 E Typical arrangement of windings and connections of Type JFR regulators NOTE Inverted Design units may or may not be equipped with balance winding Refer to regulator nameplate CONNECTION DIAGRAMS Page 8 SERIES TRANSFORMER BY PASS ARRESTER SERIES WINDING LIK LAM SOURCE a LOAD CURRENT PREVENTIVE AUTO TRANSFORMER TRANSFORMER X U5 LIGHTING CIRC T ARRESTER U4 ARRESTER BY OTHER Ua BY OTHER E2 TERTIARY VINDING POTENTIAL TRANSFORMER NEUTRAL pum ma Wiring diagram of typical Type A regulator showing both external and internal connections without fan power al tl LI pi 41 p Li pe SL CURRENT E1 TRANSFORMER it SERIES TRANSFORMER AS TRANSFORMER PREVENTIVE AUTO A TRANSFORMER TAPPED EXCITING WINDING MOTOR BALANCE SUPPLY WINDING U3 E U5 WINDING Schematic diagram of typical Type A JFR regulator with fan Typical arrangement of windings and connections of Type power U3 U5 A JFR regulators without fan power NOTE Exciting winding may not be fully tapped NOTE Series Transformer Design units may or may not be Refer to regulator nameplate equipped with balanc
4. 10 14 4 576 0 10 14 4 720 0 10 14 4 833 0 10 19 9 100 0 10 19 9 200 0 10 19 9 333 0 10 19 9 400 0 10 19 9 667 0 10 19 9 833 0 VARI AMP RANGE AND CURRENT RATINGS AVAILABLE 200 220 240 270 320 50 75 100 150 219 232 328 347 437 463 546 578 656 875 1167 55 83 110 165 241 255 361 381 481 509 601 636 668 875 1167 60 90 120 180 263 278 394 416 524 556 656 668 668 875 1167 68 102 135 203 296 313 443 468 590 625 668 668 668 875 1167 80 120 160 240 351 371 525 555 668 668 668 668 668 875 1167 Capable of carrying current corresponding to rated kVA when operated at 7200 12470 volts grounds wye SPECIAL FEATURES Page 15 FORCED AIR COOLING Certain regulators may be equipped for forced air cooling and include fans mounted on the radiators The fans are usually automatically controlled by means of the change in oil temperature see Connection Diagram The thermom eter located in the top transformer oil contains two identical switches which control fan operation when fan control switch is in Auto position The switches are normally set to start the fans at 65 C and to stop them at 55 C top oil temperature but may be ad justed plus or minus 5 C A thermal overload relay is mounted on each fan motor Any fan that develops trouble will be automatically disconnected from the line without affecting the other fans of the system One fan can be removed
5. cover for user convenience at time of installation INTRODUCTION Page 4 INSTALLATION DIAGRAMS Single Phase Figure 4A Bypass Switch Source Switch S Load Switch Connection of one single phase JFR regulator on single phase line Figure 4B Bypass Switch Closed Data Source Switch 8 Load Switch aL Bypass Switch Source Switch 8 Load Switchi Bypass Switch Load HI Connection of three JFR regulators in closed Sola on three phase ungrounded system Source Switch Figure 4B Open Delta Bypass Switch Source Switch Load Switch Load Switch Line Switch Connection of two singie phase JFR regulators in open delta on a three phase ungrounded line Figure 4D Wye Connected Bypass Switch Source Switch 8 Load Switch NG Bypass Switch Source Switch de Load Switch Bypass Switch Source Switch Load Switch Connection of three single phase JFR regulators in wye on a three phase grounded neutral system INTRODUCTION Page5 PROTECTIVE MEASURES Bypass Arrester All JFR regulators are equipped with a properly sized arrester connected externally between the S and L line terminals The arrester is provided to protect the series winding of the regulator from line surges Of itself the bypass arrester does not provide lightning protection for the regulator Lightning Protection The number of lightning arresters used w
6. every 100 meters 330 feet elevation above 1000 meters e For forced air cooled FA rating derate kVA rating 0 5 for every 100 meters 330 feet elevation above 1000 meters LINE TERMINALS AND CONNECTIONS Type JFR voltage regulators are routinely equipped with line bushing terminals per the following criteria Nameplate Line Current Rating Conductor Size Range or Threaded Stud Size 2 to 477 MCM 2 to 800 MCM 1 125 12 UNF 2A 1 500 12 UNF 2A 50A to 300A 301A to 668A 669A to 1200A 1201 A to 2000A Clamp type terminals for use through 668 ampere are capable of accepting an aluminum or copper conductor Tank grounding provision consists of a 0 5 13NC tapped hole in a steel pad for regulators rated to 300 amperes Above 300 ampere ratings a copper faced pad with two 0 5 13NC tapped holes is provided ELECTRICAL CONSIDERATIONS Type JFR regulators are commonly installed using any of four electrical configurations e One regulator in single phase application Figure 4D Three regulators in wye on a grounded neutral three phase system Figure 4D Two regulators in open delta on a three phase ungrounded system Figure 4B e Three regulators in closed delta on a three phase ungrounded system Figure 4C Each of the four alternatives when complete with switching provisions will take the electrical configuration as shown on the next page The descriptions S L and SL are embossed into the
7. exceeded at the installation CONTROL CONNECTIONS Many regulators can be used at several different nominal system voltages It is therefore necessary to assure that the regulator is properly connected at the 19 pin upper terminal block for the system voltage on which the particular regulator will be used Figure 5A For this purpose it is necessary to use the nameplate drawing and control diagram found in the control enclosure 1 Refer to the Nameplate Diagram A column is indicated to connect lead P2 to P based on the applicable system voltage The control diagram will aid in identifi cation of the appropriate pin on the 19 pin terminal block 2 Depending on the regulator there may be a second column indicating that lead U2 is to be connected to The same procedure is followed 3 For regulator equipped with fans for forced air cooling another set of connections will be shown Matters specifically relating to the Accu Stat control used in conjuntions with the regulator are not included in this manual Refer to the appropriate control instruction manual NOTE CONNECTION DIAGRAMS Page 6 STRAIGHT DESIGN ANSI TYPE A BY PASS ARRESTER SEHIES CURRENT TRANSFORMER BALANCE WINDING SOURCE LOAD l PREVENTIVE AUTO TRANSFORMER LIGHTING no LIGHTING WINDING ARRESTER U4 TERTIARY ARRESTER BY OTHER U3 WINDING BY OTHER E2 L POTENTI
8. regulator control box by remov ing the wing nuts on the polarized jack plug and pulling the jack from its fixed portion This will automatically de energize the control It is not necessary to bypass or de energize the regulator to remove the control A spring loaded shorting bar in the plug automatically short circuits the current transformer secondary when the jack is removed Hamowval af jack plug REMOTE MOUNTING OF CONTROL EQUIPMENT The Accu Stat control may be remotely mounted Remote cable is available in standard lengths of 18 25 and 30 feet incorporating oil and moisture resistant color coded conduc tors VARI AMP POSITION INDICATOR The Vari Amp feature provides a method of operating the regulator at increased load by decreasing the range of op eration It provides operator flexibility by allowing the range of regulation to be adjusted in 1 1 4 percent increments The various regulation ranges together with the corresponding current capacities for standard regulators are listed on page 11 All that is necessary to adjust the range of regulation anywhere from 5 percent to 10 percent is to turn the ad justing knobs until the proper range of regulation is shown on the side of the position indicator The upper and lower limits need not be the same It is not necessary to remove the regulator from service to make this adjustment The switches are however in the motor power circuit so the motor should
9. voltage regulators are designed to give dependable service and to make installation opera tion and maintenance as simple as possible Technology advances especially in the realm of the control apparatus make it efficient to provide a separate instruction manual for the Accu Stat control provided with this JFR Regu lator For specific control information refer to the Accu Stat control manual included with the regulator WARNING This equipment contains hazardous voltages Se vere personal injury or property damage can result if safety instructions are not followed To prevent Do not service or touch until you have de energized high voltage grounded all terminals and turned off control voltage Grounding terminals with line to ground capacitors may produce a small arc Only qualitifed personnel should work on or around this equipment after becoming thoroughly familiar with all maintenance procedures contained herein QUALIFIED PERSON FOR THE PURPOSE OF THIS MANUAL AND PRODUCT LABELS AQUALIFIED PERSON IS ONE WHO IS FAMILIAR WITH THE INSTALLATION CONSTRUCTIONAND OPERA TION OF THE EQUIPMENT AND THE HAZARDS INVOLVED INADDITION HE HAS THE FOLLOWING QUALIFICATIONS a Is trained and authorized to de energize clear ground and tag circuits and equipment in accordance with es tablished safety practices Is trained in the proper care and use of protective equipment such as rubber gloves h
10. 00Y 5400YY 54004 5400AB 5400AC 5401T 5401U 5401V 5401W Bushing Assembly 15 kV Bushing Assembly 23 kV Bushing Assembly 15 kV Bushing Assembly 23 kV Bushing Assembly 23 kV Bushing Assembly 15 kV Bushing Assembly 23 kV Bushing Assembly 23 kV Bushing Assembly 15 kV Bushing Porcelain 15 kV Bushing Porcelain 15 kV Bushing Porcelain 23 kV Bushing Porcelain 15 kV 250 thru 509 207 276 72 thru 144 100 thru 200 333 thru 416 3 250 thru 416 3 576 thru 833 288 333 thru 400 333 333 thru 432 667 thru 833 667 889 100 thru 167 167 250 thru 509 207 276 72 thru 144 100 thru 200 250 thru 416 3 7620 13 800 14 400 19 920 2500 5000 14 400 14 400 19 920 12 000 14 400 19 920 7620 2500 5000 7620 13 800 14 400 19 920 2500 4025777 250 thru 416 3 5000 4026 5401X Bushing Porcelain 23 kV 576 thru 833 14 400 5401Y Bushing Porcelain 23 kV 288 14 400 5418 333 thru 400 19 920 5401YY Bushing Porcelain 15 kV 333 12 000 5401Z Bushing Porcelain 23 kV 333 thru 432 14 400 5401AB Bushing Porcelain 23 kV 667 thru 833 19 920 5401T 5401AC Bushing Porcelain 15 kV 7620 5401U 4025 Clamping Ring for 5400T 5401V X Z and AB Ratings 5401W 4026 Clamping Ring for 5400U 5401X V W SL Bushing only 5401Y Y and YY Ratings 5401YY 4028 Clamping Ring for 5400W 54012 Rating and L Bushings only 5401AB 4030 Cushion Spring 5401AC 4027 Gasket 4032 4034 Gasket Gasket 4035 Bushing Cap Li
11. AL TRANSFORMER oa P Wiring diagram of typical Type A regulator showing both external and internal connections without fan power e souRcE Os LO LOAD SL TRANSFORMER P4 C3 P5 RES M POTENTIAL TRANSFORMER BALANCE WINDING PREVENTIVE AUTO TRANSFORMER SERIES WINDING EXCITING WINDING MOTOR SUPPLY U3 WINDING u4 E2 US Schematic diagram of typical Type A regulator with fan power Typical arrangement of windings and connections of Type U3 US A JFR regulators NOTE Cther typical motor supply winding configurations NOTE Straight Design units may or may not be equipped LAr with balance winding Refer to regulator nameplate U5 U4 U3 E2 E2 U3 U4 U5 REVERSE POLARITY WINDING REVERSE POLARITY WINDING CONNECTION DIAGRAMS INVERTED DESIGN ANSI TYPE B BY PASS ARRESTER SERIES WINDING CURRENT TRANSFORMER BALANCE WINDING SOURCE PREVENTIVE AUTO TRANSFORMER EXCITING LIGHTING WINDING LIGHTING ARRESTER ARRESTER BY OTHER BY OTHER TERTIARY WINDING NEUTRAL Wiring diagram of typical Type regulator showing both external and internal connections SOURCE O s L Q sL E1 CURRENT TRANSFORMER PREVENTIVE AUTO TRANSFORMER 23 45 6 7 8 SERIES WINDING EXCITING WINDING MOTOR
12. E LINE WARNING High pressure or mechanical failure due to improper by In order to remove a regulator from service without dropping D pass operation can cause death severe injury or damage load it is imperative that the regulator be on the neutral posi tion The system must first be de energized load dropped before removal If the regulator being removed is in a closed delta bank it is necessary to bypass and isolate all regula tors in the bank The routine removal procedure is essen tially the reverse of the procedure used to place the regulator on the line To prevent Bypass regulator only with regulator on neutral tap posi tion Follow instructions 1 Run the regulator under normal voltage source to the neutral position as revealed by the tap position indica tor Confirm via the Neutralite indicator that the regula tor is on neutral If the independent checks of the po sition indicator and Neutralite indicator do not con firm the neutral position bypassing must not be at tempted In such event de energize the system to re move the regulator from service After assuring that the regulator is on neutral close the bypass switch Open sequentially the load and source switches a For a single phase or grounded wye connection make sure that the high voltage disconnect switches are opened b For a closed delta connection be sure all regula tors in the bank are bypasses and isol
13. ON Page 3 PHYSICAL CONSIDERATIONS Handling Type JFR regulators are designed to be lifted either by a forklift at the base or by use of hangar brackets on the side of the tank Each JFR regulator is provided with either 2 or 4 lifting hooks on the side of the tank The number of hooks has been established to provide a mar gin of safety on lifting when all hooks provided are used 44 WARNING Falling unit can cause severe injury or damage To prevent Do not use cover lifting eyes tolift complete unit Cover lifting eyes are for untanking of regulator only Lift complete regulator by using all side tank hooks e Location Type JFR regulators are designed for outdoor installation Any regulator may be platform or pedestal mounted Regulators provided with hangar brackets are suitable for pole mounting When the regulator is to be installed in a substation on pedestal it is recom mended that a minimum elevation to the live connection be established as required by applicable codes DANGER Hazardous high voltage is present at the line terminals of the bushings on the cover of the regulator Will cause severe injury or death To prevent Isolate the regulator before servicing Elevation When the regulator will be used at an elevation above 1000 meters 3300 feet the kVA rating must be reduced to assure operating temperature limits are not exceeded For air cooled OA rating derate kVA rating 0 4 for
14. S Installation Operation Maintenance Instructions SIEMENS JFR Distribution otep Voltage Regulator 21 115532 001 PR4018 06 SUPERCEDES 21 115532 001 PR4018 05 TABLE OF CONTENTS INTRODUCTION Inspection for Damage in Shipment Special Features Polarized Disconnect Switch And Hinged Control Panel Remote Mounting of Control Equipment Vari AMP Position Indicator Operation at Less Than Rated Voltage Forced Air Cooling nnn Subbase Parts List Major Components Position Indicator Type TLG Dial Switch Type TLG Quick Break Mechanism Type TLF Dial Switch Type TLF Quick Break Mechanism Bypass BUSNINGS AA NANA EN 13 13 13 14 15 15 16 17 18 19 20 21 22 23 Special Features Polarized Disconnect Switch And Hinged Control Panel Remote Mounting of Control Equipment Vari AMP Position Indicator Operation at Less Than Rated Voltage Forced Air Subbase Parts List Major
15. ard hat safety glasses or face shields flash clothing etc in accordance with established safety practices Is trained in rendering first aid Distinctive signal words DANGER WARNING CAUTION are used in this instruction book to indicate degrees of hazard that may be encountered by the user For the purpose of this manual and product labels these signal words are defined below Indicates an imminently hazardous situa tion which if not avoided will result in death or serious injury DANGER WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situa tion which if not avoided may result in minor or moderate injury INTRODUCTION Page 2 INSPECTION FOR DAMAGE IN SHIPMENT Check each item with the shipping manifest immediately upon receipt of the regulator Make a thorough visual in spection of the regulator Check for evidence of damage attributable to mishandling in shipment Should any short age or damage be found notify the local agent of the carrier making the delivery and make appropriate notation on the freight bill A claim should be made immediately with the carrier Siemens should be notified STORAGE PRIOR TO INSTALLATION The regulator may be stored without any particular pre cautions or protection Assure however that the control compartment enclosure is tightly closed INTRODUCTI
16. ated Exercise appropriate care in the removal of the regulator High voltage will still be present at the bypass witch and the source and load switch terminals Remove the ground connection last MAINTENANCE Page 11 GENERAL INSTRUCTIONS Failure to properly maintain the regulator can result in se vere personal injury and product failure The instructions contained herein should be carefully reviewed understood and followed The following maintenance procedures should be performed regularly 1 Operational checks e Control performance Tapchanger performance e Vari Amp limit performance 2 Periodic inspection Oil sample Oil oxidation inhibitor addition Contact wear e Fans This checklist does not represent an exhaustive survey of maintenance steps necessary to ensure safe operation of the regulator Particular applications may require further pro cedures Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purposes the matter should be referred to the local Siemens sales representative When powered dangerous voltages are present in the equip ment that can cause severe personal injury death and prod uct failure Always de energize and ground the equipment before maintenance requiring access to high voltage parts The use of unauthorized parts in the repair of the equipment tampering by unqualified personnel or f
17. aulty repair and ad justments will result in dangerous conditions which can cause severe personal injury or equipment damage Follow all safety instructions contained herein OPERATIONAL CHECKS Basic regulator operation can be checked while the regula tor remains in service Simply provide means to observe the output voltage such as a voltmeter connected at the test terminals Observe that the voltmeter reads the voltage level setting required by the control to within one half of the band width tolerance Note 1 The control must be in band Note 2 Line drop compensation must be set to zero if the regulator is carrying load Run the tapchanger several steps in one direction in the manual mode until the output voltage is outside of the bandwidth Return the control to automatic mode After the predetermined time delay the tapchanger motor will be observed to return the output voltage in band Repeat this operation running the tapchanger in the opposite direction Check the Vari Amp limit switches by attempting to run the tapchanger beyond the position to which the switches are set The limit switches should function to open the circuit Note If the limit switch is set at the maximum 10 range and fails to function the tapchanger will stall against a mechanical stop The motor is designed to stall con tinuously without damage Operation of the regulator at extreme tap positions could produce a line voltage above or be
18. e winding Refer to regulator nameplate PLACING THE REGULATOR IN SERVICE Page 9 The following checks will be useful in assuring the regulator is ready for use The list cannot be all inclusive careful at tention on the part of a qualified operator remains impera tive BEFORE CONNECTING Check oil level at oil sight window If low add sufficient oil ASTM D 3487 Type Il to bring level to that desired e Check dielectric strength of the oil per ASTM D 877 If found to be below 24 kV filtering should be accomplished and additional testing of oil integrity is justified Note This is not necessary if regulator is being installed im mediately upon receipt from the factory e Take power factor reading of all bushings common against ground tank Reading should be less that 2 0 e Verify from the nameplate that the unit is connected for the proper output voltage motor voltage and control panel voltage Assure that the regulator is on the neutral tap position This should be accomplished by observing the position indication pointer and by powering the control from a 120V external source and observing the Neutralite to be illuminated CONNECTING Identify S L and SL bushings on the cover Make elec trical connections per the appropriate installation dia grams page 4 first connecting SL bushing e Set Vari Amp limits on position indicator if necessary See Page 11 Set Accu Stat C
19. embly Drive Arm Phenolic Drive Arm Phenolic Drive Arm Glass Phenolic Hub Finger Support Ring Finger Support Main Moving Finger Assembly Hub Finger Assembly Ring Finger Assembly Phenolic Drive Pin PARTS LIST Page 19 TYPE TLG QUICK BREAK MECHANISM 5233A 5242 5234 5600 NOTE Motor capacitor may be located in control box TLG 3H VA 5246 5202 5245A 5201G 5241 5216A 5212 5216B White E Three Wire Motor lt gt s c gi 5207 5247 5248 Description Description Reversing Switch Finger Assembly Reversing Switch Hub Finger Assembly Drive Arm Phenolic Drive Arm Phenolic Drive Arm Glass Phenolic Hub Finger Support Ring Finger Support Main Moving Finger Assembly Hub Finger Assembly Ring Finger Assembly Phenolic Drive Pin 5320 Phenolic Panel 5320B Glass Polyester Panel 5317A Reversing Main Shaft 5321 Main Stationary Contacts 5322 Reversing Stationary Contact R 5323 Reversing Stationary Contact L 5324 Neutral Stationary Contact 5325 Collector Ring 5326 Collector Hub 5327 Reversing Switch Arm PARTS LIST Page 20 TYPE TLF DIAL SWITCH 5366 5367 5365 5364 5368 5366A 5355 5354 5353 5352 5351 FIGURE 20A Description Description Panel Drive Plate Stationary Contact Contact Finger Assembly Rev Switch Neutral Stationary Contact Contact Support Assembly Stationary Contact LH Reversing Drive Pin
20. from the radiators without affecting the operation of the others When fans are out of service care must be exercised to prevent overloading the regulator Fan should be removed and replaced carefully to prevent damage to the radiators FAN MOTOR WITH THERMAL OVERLOAD THERMOMETER SWITCH FORCED AIR CONTROL CIRCUIT FORCED AIR COOLING Control circuit forced air cooling SUBBASE ASSEMBLY Subbase assemblies are available in 4 inch high increments from 21 through 49 inches for most JFR regulators The proper height is selected by picking the elevation that will provide required clearance from foundation to the live part of the regulator bushing Figure 15B AUX SOURCE 250 V 60 Hz Figure 15A PARTS LIST Page 16 MAJOR COMPONENTS PARTS LIST INSTRUCTIONS FOR ORDERING PARTS BYPASS BUSHINGS When ordering parts give the quantity of parts required the ARRESTER regulator serial number parts list item number complete description and method of shipping State whether for emergency repair maintenance spare part etc All shipments will be made F O B Factory Description Control Compartment Gasket Main Cover Gasket Pressure Relief Valve Terminal Box Gasket Nameplate Sampling Device Grounding Lug Terminal not shown Terminal Block Clamp Terminal Block Studs Terminal Block Gasket Motor Capacitor TLG Motor Capacitor TLF Drain Valve Oil Sight Glass Oil Sight Gauge Gasket J Bol
21. ill be a judgmental decision on the part of the user consid ering such factors as isokeraunic level and degree of risk of damage to be accepted The minimum recommended light ning protection consists of a properly sized arrester between the S or L bushing and ground on a single phase or a connected system A delta connection system requires the use of two arresters to accomplish minimum protection lev els Additional protection can be obtained with the use of arresters at both the S and L terminals in single phase or wye systems and on all three terminals on a delta system For best results install lightning arresters on the mounting lugs adjacent to the bushings near the top of the tank The lugs are 0 5 13NC located on 2 5 inch centers Ground the arrester s and the regulator tank solidly to the same ground connection Be careful to keep the ground lead connections as short as possible Thru Fault Type JFR regulators are rated under condition of thru faults for twenty five times the OA rated current for 2 seconds or 40 times the OA rated current for 0 8 second to a maximum of 20 000 amperes rms symmetrical The fault current may be asymmetrical to the extent that the peak of the first current loop is equal to 2 26 times the rms value of the current wave The user is advised to provide for additional source imped ance bus sectionalizing or other means of limiting the avail able thru fault current if these criteria are
22. ke certain the cap is properly sealed when replaced on cover Siemens recommends ap plying pipe sealant Loctite PST or equivalent around the threads of the adapter Furthermore it is recommended that the seal be tested by applying 5 psig pressure through the pressure relief valve fitting for 5 minutes with no loss in pressure Failure to assure seal may allow moisture to be pulled into the unit during a cool down cycle FANS The fans used for cooling on some regulators require a minimum of attention Fans with plain sleeve bearings or Oil Lite sleeve bearings should be oiled at least once a year with a good grade of SAE 10 W mineral engine oil which does not thicken in cold weather Oil must be added to sleeve bearings before starting motor for the first time after installation Fans equipped with ball bearing motors are packed with grease before shipment and should be greased at least once a year with a soda soap ball bearing grease of me dium consistency furnished by a reliable supplier For fans that are seldom used the frequency for greasing or oiling may be less than outlined above but it is recom mended that this lubrication be placed on a yearly schedule It is often possible to determine by inspection whether lubri cation is required SPECIAL FEATURES Page 13 POLARIZED DISCONNECT SWITCH JACK PLUG AND HINGED CONTROL PANEL The Accu Stat control panel is hinged and may be re moved completely from the
23. low desired operating limits at the load To prevent Operate the regulator only to judiciously determined voltage extremes Regulator may have High Internal Pressure Can cause serious personal injury or death or damage to the regulator To prevent Use pressure relief valve to vent regulator before untanking MAINTENANCE Page 12 PERIODIC INSPECTION A sample of oil from the regulator should be subjected to dielectric breakdown test per ASTM D 877 It is recom mended that oil testing less than 24 kV be filtered Other tests especially Neutralization Number Interfacial Tension and Power Factor are also useful and may be preferred by particular users The oxidation inhibitor in the oil will be depleted over a pe riod of a few years and should be replaced The inhibitor is 2 6 ditertiary butyl para cresol DBPC at a concentration level of 0 2 to 0 3 The time interval between internal inspections will depend upon frequency of tapchanger operation and the load on the regulator Regulators subjected to numerous overloads and a high load factor may require more frequent inspections than those carrying normal loads While internal inspection is not a necessity preventive maintenance inspections will help assure the continuity of service To untank a JFR regulator proceed as folllows 1 Remove the regulator from service as described on Page 7 2 Place the regulator in a position where energized ove
24. ly 3 kV MOV 2 500 5 000 7 620 Bypass Arrester Crystal 3 kV MOV Mounting Bracket Assembly Bypass Arrester Assembly kV MOV 12 000 13 800 14 400 Bypass Arrester Crystal 3 kV MOV Mounting Bracket Assembly Bypass Arrester Assembly 6 kV MOV 19 920 Bypass Arrester Crystal 6 kV MOV Mounting Bracket Assembly Include regulator serial number when ordering Figure 22B Polymer arresters now used on voltage regulators Supersedes previous porcelain arresters NOTE 1 5 kV porcelain arresters superseded by 3 0 kV MOV polymer arresters Figure 22A PARTS LIST Cushion Spring Cap Screw Bushing Cap Line Terminal for 5400 Rating Bushing Cap Line Terminal for 5400R and S Ratings Gasket Gasket Page 23 BUSHINGS Ha 5400P Bushing Assembly for 15 kV 50 38 1 thru 76 2 69 thru 138 Bushing Assembly for 15 kV 50 100 5426 114 3 thru 167 5430 Bushing Assembly for 15 kV 75 4034 414 Bushing Porcelain for 15 kV 50 38 1 thru 76 2 69 thru 138 Bushing Porcelain for 15 kV 50 100 Bushing Porcelain for 15 kV 114 3 thru 167 Clamping Ring for 5400 and R Ratings 75 Clamping Ring for 5400S Rating 414 sss COVER 5410 5419 5418 5411 5401P 5401R 54015 Figure 23A PARTS LIST Page 24 BUSHINGS Description kVA 5426 5400T Bushing Assembly 15 kV 100 thru 167 2500 4035 4027 IN 4034 4032 COVER Bag 54000 5400V 5400W 5400X 54
25. ne Terminal for 5400T X YY and AB Ratings 5430 Bushing Cap Line Terminal for 5400U Y and Z ratings 5426 Bushing Cap Line Terminal for 5400V Rating 5418 Cap Screw Figure 24A Units rated 250 kVA and above 2500 and 5000 volts are not supplied with line terminals Indicate Regulator Serial Number PR4018 06 PR4018 05 PR4018 04 June 01 Siemens Power Transmission amp Distribution Inc P O Box 6289 Jackson MS 39288 6289 Phone 601 939 0550 Fax 601 939 3606 ACCU STAT DATA PAK NEUTRALITE and VARI AMP are trademarks of Siemens Power Transmission amp Distribution Inc PRINTEDINU S A
26. not be running while the switches are being set SPECIAL FEATURES Page 14 OPERATION AT LESS THAN RATED VOLTAGE JFR regulators may be operated at less than the voltage for which they were de signed All system voltages for which control system taps have been provided are shown on the nameplate When this is to be accomplished it may be neces sary to reconnect particular leads at the upper 19 pin terminal block as illustrated on page 5 When operating the regula tor at reduced voltage it must be noted that the regulator carries a maximum current rating which rules regardless of the voltage see table at right It may therefore be necessary to operate the regulator at less than its nameplate kVA rating Units with catalog number starting with 10 are self cooled 11 are forced air cooled Regulators can be modified at factory for 50 Hz operation with appropriate derating of voltage Catalog Number Includes Voltage amp kVA 10 02 5 050 0 10 02 5 075 0 10 02 5 100 0 10 02 5 167 0 10 02 5 250 0 10 02 5 333 0 11 02 5 416 3 10 05 0 050 0 10 05 0 100 0 10 05 0 167 0 10 05 0 250 0 10 05 0 333 0 11 05 0 416 3 10 07 6 038 1 10 07 6 057 2 10 07 6 076 2 10 07 6 114 3 10 07 6 167 0 10 07 6 250 0 10 07 6 333 0 10 07 6 416 3 10 07 6 500 0 10 07 6 667 0 11 07 6 889 0 10 13 8 069 0 10 13 8 138 0 10 13 8 207 0 10 13 8 276 0 10 14 4 072 0 10 14 4 144 0 10 14 4 288 0 10 14 4 333 0 10 14 4 432 0
27. ontrol as desired See Accu Stat instruction manual SWITCHING THE REGULATOR ON THE LINE It is absolutely imperative that the regulator be on the neutral tap position before switching the regulator on the line High pressure or mechanical failure due to improper by pass operation can cause death severe injury or damage To prevent Energize regulator only with regulator on neutral tap posi tion Follow instructions ONOONRWN Make certain regulator is in neutral N position Turn voltage source switch to OFF Remove power fuse Close sequentially the source and load switches Open the bypass switch Visually observe that bypass circuit has opened Replace power fuse Place voltage source switch to normal CHECKING REGULATOR OPERATION Refer to applicable Accu Stat Control instruction manual Turn the transfer switch to MANUAL Run the tapchanger in the lower direction at least until the control is observed to go out of band LOW Turn the transfer switch to AUTO Aftera time delay the regulator will return to an IN band condition Turn the transfer switch to MANUAL Run the tapchanger in the raise direction at least until the control is observed to go out of band HIGH Turn the transfer switch to AUTO After a time delay the regulator will return to an IN band condition REMOVING THE REGULATORFROM SERVICE Page 10 REMOVING THE REGULATOR A FROM TH
28. rhead lines will not interfere 3 Operate pressure relief valve to vent regulator before untanking 4 Remove the three mounting bolts holding the control box onto the main tank 5 Loosen all cover bolts and turn outward 180 degrees 6 The regulator can now be pulled from the main tank by the cover lifting eyes When inspecting check to be certain all hardware and con nections are tight The principal point of the internal inspec tion will be the condition of the arcing contacts on the tapchanger Since numerous factors influence the rate of contact tip wear no one criteria can be stated to recom mend when a contact should be changed The following figure shows the possible condition of con tact wear after a period of operation If a contact surface has burned down so that only a 1 8 inch wide line contact area remains the contact will probably be giving adequate ser vice at low contact temperatures but much further deterio ration will probably result in decreased spring pressure and possibly faulty operation Therefore the contact should defi nitely be replaced See Figure in next column Contacts both movable and stationary show normal burning and wear after 1 500 000 operations If for any reason A1 dimensions exceeds 4 5 of A the stationary contact should be replaced MOVING CONTACT FINGERS p WORN STATIONARY CONTACT END SEALED REGULATORS WITH PRESSURE RELIEF VALVE If cover top cap is removed ma
29. t Assy Stainless Steel Figure 16A PARTS LIST Page 17 POSITION INDICATOR PARTS LIST 01 11 Description Position Indicator Complete Solenoid Housing Gasket Drag Hand Solenoid Coil Adjusting Knob Faceplate Window Clamping Ring Vari Amp Adjusting Switch Limit Switch each 5074 5067 5068 5079 5069 SPACER FACEPLATE WINDOW gasket CLAMPING RING Flang Gasket RING DRAG POINTER m nme HANDS qim Spacer Ring not shown KNOB 5071 VARI AMP ADJUSTING 5072 SWITCH LIMIT SWITCHES SOGO Position Indicator Complete Drag Hand Solenoid Coil Adjusting Knob Faceplate Window Clamping Ring DRAGHAND Vari Amp MAdjusting Switch each SOLENOID COIL Limit Switch each Flange Gasket Window Gasket 5069C WINDOW GASKET CLAMPING RING PARTS LIST Page 18 TYPE TLG DIAL SWITCH 5320 5320B 5317A 5321 5322 5323 5324 5325 5326 5327 Description Phenolic Panel Glass Polyester Panel Reversing Main Shaft Main Stationary Contacts Reversing Stationary Contact R Reversing Stationary Contact L Neutral Stationary Contact Collector Ring Collector Hub Reversing Switch Arm 5322 5327 Wi 2 5325 5321 5326 5333 5330 5328 5328B 5329 5329 5329 5330 5331 5332 5333 5334 5336 5332 5334 5331 5329A 5329B 204661 A1 Description Reversing Switch Finger Assembly Reversing Switch Hub Finger Ass
Download Pdf Manuals
Related Search