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Cooper Power Tools RVE Maintenance Instructions Manual

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Reclosers
Types RVE and WVE
Maintenance Instructions
24.9-34.5 Kv • 400 Amp (Type RVE) (Serial No. 2200 and after)
24.9-34.5 Kv • 560 Amp (Type WVE) (Serial No. 1000 and after)
Figure 1.
Type RVE oil-interrupting, three-phase, electronically controlled, automatic circuit recloser.
CONTENTS
Introduction ...................................................................2
Description and operation ...........................................2
General .........................................................................2
Ratings .........................................................................3
Electrical Ratings ........................................................3
Duty Cycle ..................................................................3
Mechanism Operation ..................................................3
Maintenance ..................................................................3
Frequency of Maintenance ...........................................3
Periodic Maintenance Inspection ..................................4
Manual operation of the Recloser .................................4
Mechanisn In oil .........................................................4
Mechanism out of oil ..................................................5
Insulation Level Withstand Tests ..................................6
Oil Condition .................................................................6
Rating Changes ............................................................6
Adjustments ..................................................................6
Control ..........................................................................6
Control Lever overtravel Adjustment ..........................6
Shop Maintenance Procedures ...................................6
Bushings .......................................................................6
Interrupter Assembly .....................................................7
Closing Solenoid Contactor ..........................................7
Closing Solenoid ...........................................................8
These instructions do not claim to cover all details or variations in the equipment, procedure, or process described, nor to provide direction for
meeting every possible contingency during installation, operation, or maintenance. When additional information is desired to satisfy a problem not
covered
sufficiently
for
September 1988
G
Supersedes 5/86
the
user's
purpose,
please
NOTICE: This document is also
applicable to Cooper Power Systems
product serial numbers beginning
with the characters CP57.
CAUTION
Do not energize this equipment out of oil.
Closing Solenoid Fuses ..................................................... 8
Table 1 .............................................................................. 8
0.2-MFD Capacitor ............................................................. 9
Battery Charging Current Transformer ............................... 9
Sensing Bushing-Current Transformers ............................. 9
Mercury Switch 3 ............................................................... 9
Mercury Switch 2 ............................................................... 9
Microswitch 1 ..................................................................... 9
Rotary Solenoid ................................................................. 9
Trip Solenoid ......................................................................10
Removing Mechanism from Head ......................................10
Reinstalling Mechanism into Head ....................................12
Operational Checks ...........................................................12
Control Cable ...................................................................12
Circuit Components ..........................................................12
Table 2 ..............................................................................12
Current Transformers .......................................................12
Service Parts List ................................................................16
Bushing Parts (Figure 28) ..................................................16
Tank and Head Assemblies (Figure 29) .............................18
Closing Coil Mechanism (Figure 30) ..................................20
contact
your
Cooper
Power
Cooper Power Systems
S280-40-8
Service Information
86766KMA
Systems
sales
engineer.
1

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Summary of Contents for Cooper Power Tools RVE

  • Page 1: Table Of Contents

    Service Information Maintenance Instructions NOTICE: This document is also 24.9-34.5 Kv • 400 Amp (Type RVE) (Serial No. 2200 and after) applicable to Cooper Power Systems 24.9-34.5 Kv • 560 Amp (Type WVE) (Serial No. 1000 and after) product serial numbers beginning with the characters CP57.

  • Page 2: Introduction

    All three recloser is shown in Figure 2. They are similar for the WVE phases of the RVE and WVE reclosers open, reclose and lock- recloser. Being aware of the location of these components and out simultaneously.

  • Page 3: Ratings

    • MECHANISM OPERATION When Type RVE and WVE reclosers are operated under usual The head mechanism performs the actual opening and clos- service conditions as defined in ANSI (American National ing operations in response to signals from the electronic Standards Institute) C37.6O, “Standard Requirements for...

  • Page 4: Periodic Maintenance Inspection

    Types RVE and WVE Maintenance Instructions • However, if the recloser has not completed an equivalen duty cycle within three years, it is recommended that an external inspection, oil-level check, and a check of the dielectric strength of the oil be made at that time. (See steps 1, 2, and 8 of “Maintenance Procedure”...

  • Page 5: Mechanism Out Of Oil

    S280-40-8 A. Remove the closing tool port cover and gasket from the side of the head casting. (See Figure 2 for location.) B. Insert the KA90R T-handle closing tool (furnished as an accessory) into the closing tool port (Figure 5) and engage the pin on the closing shaft.

  • Page 6: Insulation Level Withstand Tests

    Types RVE and WVE Maintenance Instructions Insulation Level Withstands Tests Closing coils are available in various voltage ratings from 2.4 High-potential withstand tests provide information on the to 34.5 kv. There are also three dc closing coils available: 48,125 dielectric condition of the recloser. Testing is performed at and 250 vdc.

  • Page 7: Interrupter Assembly

    S280-40-8 6. Install the new bushing through the head and slide corona shield and clamp over bushing. 7. Position bushing with the stud end of the terminal pointing outward. 8. Position the clamping ring with the split centered between two clamping bolts.

  • Page 8: Closing Solenoid

    Types RVE and WVE Maintenance Instructions TOGGLE SPRING SOLENOID LEADS C- RINGS (3) TOGGLE MECHANISM CLOSING SOLENOID COIL BASE OPERATING PLATE LINK CLOSING SOLENOID CONTACTOR Figure 12. 83372KMA Changing closing solenoid contactor. CAPSCREW 2. Remove the three C-type retaining rings and withdraw the LOCKWASHER pin.

  • Page 9: Replacement Instructions For Circuit Components

    S280-40-8 REPLACEMENT INSTRUCTIONS FOR MERCURY CIRCUIT COMPONENTS SWITCH 2 LEVER All circuit components associated with the recloser frame, head casting and operating mechanism except the trip solenoid, rotary solenoid, microswitch 1 and mercury switch 2 can be replaced without detaching the recloser mecha- nism from the head casting.

  • Page 10: Trip Solenoid

    Types RVE and WVE Maintenance Instructions MICROSWITCH 1 TERMINAL SPRING SHAFT SCREWS LEVER ROLL PIN MACHINE SCREWS RETARDING SPRING HEXNUTS FLAT MOUNTING ROLLER OF CAM BRACKET ROTARY SOLENOID Figure 15. 85702KMA 85694KMA Properly installed microswitch 1. ROTARY MOUNTING PUSH SOLENOID...
  • Page 11 S280-40-8 ATTACHING SCREWS CAPACITOR Figure 20. 86773KMA Capacitor for CT-type battery charger. SHAFT COUPLERS TERMINAL STRIP Figure 18. 86772KMA Couplers locked in disconnected position. 3. If the recloser is equipped with the auxiliary switch acces- sory, remove the C or E-ring and washer, Figure 19, and disconnect the operating lever of the switch from the recloser mechanism.

  • Page 12: Reinstalling Mechanism Into Head

    Types RVE and WVE Maintenance Instructions 8. Remove the two spring-loaded couplers disengaged in Step tronic control cable and for discontinuity between unlike pins and pin sockets to determine the condition of the control cable. 2 for safekeeping. The components remaining in the head are shown in Figure NOTE: Pins or pin sockets N and P on either plug are not connected.
  • Page 13 S280-40-8 SW1 - MlCROSWITCH ON MAINSHAFT—CLOSED WHEN CLOSING SOLENOlD PLUNGER IS DOWN SW2 - MERCURY SWITCH ON MANUAL OPERATING HANDLE—CLOSED WHEN HANDLE IS UP ON “CLOSED” POSITlON. SW3 - MERCURY SWITCH *ON MAIN SHAFT—OPEN WHEN CLOSING SOLENOlD PLUNGER IS DOWN PLUNGER IS DOWN WHEN RECLOSER IS CLOSED NOTE 1: BATTERY CHARGING TRANSFORMER IS AN ACCESSORY.
  • Page 14 Types RVE and WVE Maintenance Instructions Figure 25. Sequential operation of contacts.
  • Page 15 S280-40-8 TERMINAL BOARD ROTARY SOLENOID 85696KMA 83379KMA Figure 26. Location of circuit components on mechanism frame. Continuity Check 3. Readings within this range indicate sufficient output to main- 1. Connect an ohmmeter, in turn, to pin sockets K and N. K and tain control battery charge.

  • Page 16: Service Parts List

    Types RVE and WVE Maintenance Instructions SERVICE PARTS LIST The service parts and hardware listed and illustrated include A hardware kit, Catalog No. KA849R1, contains an assortment only those parts and assemblies usually furnished for repair or of roll pins, cotter pins, retaining rings, stop nuts, etc.—common...
  • Page 17 Description Number Assy. Description Number Assy. Bushing calmp KP1109R Bushing Assembly Clamping ring KP1111 R Type RVE Lower bushing gasket KA1193R Below Serial No. 4000 Clamp KP109WV (includes: bushing, corona Corona shield KP582RV900 shield (10), shield clamp (9), O-ring KP2000A19 O-ring (11) and conductive gasket (8).

  • Page 18: Tank And Head Assemblies (Figure 29)

    Types RVE and WVE Maintenance Instructions Figure 29. Head and tank parts group.
  • Page 19 KP3009A38 Voltage data plate KP567R Current transformer KA86RE1 Nameplate Split lockwasher, med., 1/4, stl. K900801025000A Type RVE KP2RVE Machine screw, rd., hd., 1/4-20 Type WVE KP103WVE x 2, stl. K721501125200Z Thread cutting screw, Type T Capacitor, 0.2 mfd, 2500 wvdc KP4004A8 #12 x 1/2, sst.

  • Page 20: Closing Coil Mechanism (Figure 30)

    Types RVE and WVE Maintenance Instructions Figure 30. Closing coil solenoid mechanism parts group.
  • Page 21 Microswitch (SW 1) KP2181A16 Groove pin KP3126A2 Retaining ring WA518, Type C, Rotary solenoid assembly 3/8, stl. K970901375000M Type RVE below serial 3173 Plunger and link assembly KA50R and Type WVE below serial Upper stringer assembly KA62R 1839 KA12RE1 Hex nut, 3/8-16 stl.

  • Page 22: Interrupter Mechanism Parts List (Figure 31)

    Types RVE and WVE Maintenance Instructions Figure 31. Interrupter mechanism parts group.
  • Page 23 Hex nut, 3/8-16, stl. K880201116037A Split lockwasher med. 3/8, brz. K900830037000A Interrupter assembly Flat washer, #24S, brass K900525039087H Type RVE, phases A & B KA49RV2 Lead (6 per bushing) KP3250A1 Type RVE phase C KA49RV1 Capscrew with preassembled Type WVE phases A & B split lockwasher, 1/4-20 x 1/2, Below Serial No.
  • Page 24 Cooper Power Systems Quality from Cooper Industries 1991 Cooper Industries, Inc. P.O. Box 2850 • Pittsburgh, PA 15230 © 7/05...

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