Eaton Cutler-Hammer VCP-WR Series Page 53 Instructions For The Use, Operation And Maintenance Download

Page: 53 / 71

Instruction Book

Effective: February 2007

Page 47

I.B. 8295A61H07

For more information visit:

www.EatonElectrical.com

7-11 TROUBLESHOOTING CHART

S YM P TOM

I NSPE C TIO N AR E A

PROBABLE DEFECTS

Fails To Close

•

Control Circuit

•

Control Power (fuse blown
or switch off)

•

Secondary Disconnects

•

Motor Cut-off Switch

(Poor or burned contacts,

Lever not operational)

•

Terminals and connectors

(Poor or burned contacts)

•

Motor (Brushes worn or

commutator segment open)

Closing Springs not charged

•

Mechanism

•

Pawls (Slipping or Broken)

•

Ratchet Wheel (Teeth worn

or broken)

•

Cam Shaft Assembly

(Sluggish or jammed)

•

Oscillator (Reset spring off

or broken)

Summary of Contents for Cutler-Hammer VCP-WR Series

Page 1: ...ical com Instructions for the Use Operation and Maintenance of The Red Line Types VCP WR VCP WRC VCP WRG and VCP WRGC Fixed Vacuum Circuit Breaker Elements I B 8295A61H07 Supersedes I B 8295A61H06 dat...

Page 2: ......

Page 3: ...IL RESULTING IN DEATH BODILY INJURY AND PROPERTY DAMAGE ALL SAFETY CODES SAFETY STANDARDS AND OR REGULATIONS AS THEY MAY BE APPLIED TO THIS TYPE OF EQUIPMENT MUST BE STRICTLY ADHERED TO THESE CIRCUIT...

Page 4: ...ION AND OPERATION 25 4 1 Initial InAspection 25 4 2 Manual Operation Check 25 4 3 Interface Verification 25 SECTION 5 DESCRIPTION AND OPERATION 26 5 1 Circuit Breaker Element 26 5 2 Interrupter Assemb...

Page 5: ...Element Interfaces 37 6 4 1 Initial Interfacing Steps 37 6 4 2 Electrical Interfaces 38 6 4 3 Mechanical Interfaces 38 6 5 Series 29 Breaker Element Interfaces 39 6 5 1 Initial Interfacing Steps 39 6...

Page 6: ...n Sliding Current Transfer System 29 5 6 Closing Cam and Trip Linkage 31 5 7 Charging Schematic 32 6 1 Typical VCP WR Front Cover Nameplate and Operational Indicators 35 6 2 Typical VCP WR DC and AC C...

Page 7: ...CIRCUMSTANCES BE APPLIED OUT SIDE THEIR NAMEPLATE RATINGS 1 1 TYPE VCP WR RED LINE SERIES RATINGS Table 1 1 VCP WR Ratings Identification Rated Values Related Required Capabilities Current Current Val...

Page 8: ...00 50 57 57 52 64 64 62 139 50 50 2 0 9 0 9 0 8 630 5 6 1000 5 6 15 18 3 5 2 7 10 000 10 000 5 000 270 VCP WR25C 29 27 1 60 125 1200 1600 25 75 36 85 25 8 50 2 1 1 400 20 4 2 2 500 270 VCP WR32C 29 27...

Page 9: ...n Book Effective February 2007 Page 3 I B 8295A61H07 For more information visit www EatonElectrical com 1 2 TYPE VCP WR OUTLINES AND DIMENSIONS Figure 1 1 VCP WR Series 18 Element Outlines and Dimensi...

Page 10: ...Instruction Book Page 4 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 1 1 VCP WR Series 18 Element Outlines and Dimensions inches continued...

Page 11: ...Instruction Book Effective February 2007 Page 5 I B 8295A61H07 For more information visit www EatonElectrical com Figure 1 2 VCP WR Series 20 Element Outlines and Dimensions inches...

Page 12: ...Instruction Book Page 6 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 1 2 VCP WR Series 20 Element Outlines and Dimensions inches continued...

Page 13: ...Instruction Book Effective February 2007 Page 7 I B 8295A61H07 For more information visit www EatonElectrical com Figure 1 3 VCP WR Series 29 Element Outlines and Dimensions inches...

Page 14: ...Instruction Book Page 8 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 1 3 VCP WR Series 29 Element Outlines and Dimensions inches continued...

Page 15: ...Instruction Book Effective February 2007 Page 9 I B 8295A61H07 For more information visit www EatonElectrical com Figure 1 3 VCP WR Series 29 Element Outlines and Dimensions inches continued...

Page 16: ...Instruction Book Page 10 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 1 4 240 270 VCP WR Series 29 Element Outlines and Dimensions inches...

Page 17: ...Instruction Book Effective February 2007 Page 11 I B 8295A61H07 For more information visit www EatonElectrical com Figure 1 5 240 270 VCP WR Series 29 Element Outlines and Dimensions inches continued...

Page 18: ...Instruction Book Page 12 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 1 6 240 270 VCP WR Series 29 Element Outlines and Dimensions inches continued...

Page 19: ...ction Book Effective February 2007 Page 13 I B 8295A61H07 For more information visit www EatonElectrical com Figure 1 7 240 270 VCP WR and VCP WRGC Series 29 Element Outlines and Dimensions inches con...

Page 20: ...ction Book Page 14 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 1 8 240 270 VCP WR and VCP WRGC Series 29 Element Outlines and Dimensions inches con...

Page 21: ...If the breaker is applied in a fixed configuration always make sure that primary and secondary power are disconnected from the breaker Failure to do so could result in electrical shock leading to deat...

Page 22: ...d either by use of a rope sling and overhead lifting device or by a fork lift truck If containers must be skidded for any distance it is preferable to use roller conveyors or individual pipe rollers O...

Page 23: ...on to prevent condensation If the building is not heated the same general rule for heat as for outdoor storage should be applied 3 4 TYPE VCP WR BREAKER WEIGHTS Table 3 1 VCP WR Breaker Weights pounds...

Page 24: ...Instruction Book Page 18 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 3 1 Front View VCP WR Series 18...

Page 25: ...Instruction Book Effective February 2007 Page 19 I B 8295A61H07 For more information visit www EatonElectrical com Figure 3 2 Rear View VCP WR Series 18...

Page 26: ...Instruction Book Page 20 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 3 3 Front View VCP WR Series 20...

Page 27: ...nstruction Book Effective February 2007 Page 21 I B 8295A61H07 For more information visit www EatonElectrical com Figure 3 4 Front External View of DHP VR Breaker 7 5 and 15 kV 500 and 750 MVA Ratings...

Page 28: ...Instruction Book Page 22 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 3 5 Front View VCP WR Series 29...

Page 29: ...Instruction Book Effective February 2007 Page 23 I B 8295A61H07 For more information visit www EatonElectrical com Figure 3 6 Rear View VCP WR Series 29...

Page 30: ...Instruction Book Page 24 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 3 7 Typical VCP WR Escutcheon...

Page 31: ...ool into the manual charge socket opening and charge the closing springs with approximately 38 up and down strokes of the handle Figure 3 7 When charging is complete the closing crank goes over center...

Page 32: ...pections and servicing accessibility Figure 5 1 Circuit breaker duty vacuum interrupters are used to close and open primary circuits The vacuum interrupters used have a proven record for reliability l...

Page 33: ...Instruction Book Effective February 2007 Page 27 I B 8295A61H07 For more information visit www EatonElectrical com Figure 5 1 Typical VCP WR Front Mounted Mechanism...

Page 34: ...nterrupter Figures 7 2 and 7 3 In order to determine if the contacts have eroded to the extent that the interrupter must be replaced observe the erosion mark placed on each moving stem from the rear o...

Page 35: ...sion of contacts the wipe decreases A great deal of effort has been spent in the design of all Cutler Hammer vacuum breakers in order to eliminate the need for field adjustments of wipe or stroke CAUT...

Page 36: ...g cranks The closing cam being attached to the cam shaft in turn rotates the pole shaft through the main link to close the breaker In Figure 5 6c the linkage is shown with the breaker in the closed po...

Page 37: ...Instruction Book Effective February 2007 Page 31 I B 8295A61H07 For more information visit www EatonElectrical com Figure 5 6 Closing Cam and Trip Linkage...

Page 38: ...Instruction Book Page 32 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 5 7 charging schematic...

Page 39: ...alues for VCP WR breakers are shown in Table 5 1 5 4 2 TERMINAL BLOCKS All VCP WR breaker elements are supplied with 2 12 point secondary control terminal blocks for simple secondary control access A...

Page 40: ...g associated with a particular breaker element is clearly indicated on the breaker s nameplate located on the front cover 6 2 2 INTERPHASE BARRIERS ANSI standards require specific minimum air space cl...

Page 41: ...ilable for customer use Figure 6 2 6 3 3 MECHANICAL INTERFACES The customer is responsible for providing all required mechanical interfaces to insure that the Series 18 element is properly installed a...

Page 42: ...Instruction Book Page 36 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 6 2 Typical VCP WR DC and AC Contral Schematics...

Page 43: ...me manner as the auxiliary switch contacts in the breaker The MOC switch operator is located on the bottom of the Figure 6 3 Series 18 Primary Connection Series 18 breaker element Figure 6 4 An option...

Page 44: ...s and auxiliary switch operators if required Primary Connections The customer is responsible for providing all properly sized primary connections to the VCP WR breaker element whether the connections...

Page 45: ...terminal blocks located at the bottom of the breaker element Figure 3 5 The Series 29 control scheme indicates which points are used for breaker operation and which are available for customer use Fig...

Page 46: ...p the tripper rollers When required the customer is responsible for providing the proper interfaces with the Series 29 opening closing floor trippers Refer to the Series 29 outline Figure 6 7 Series 2...

Page 47: ...SPRINGS DO NOT STAND LESS THAN ONE METER AWAY FROM THE BREAKER WHEN TESTING FOR VACUUM INTEGRITY FAILURE TO FOLLOW ANY OF THESE INSTRUCTIONS MAY CAUSE DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE S...

Page 48: ...is not visible replace pole unit assembly Replace pole unit assembly Replace pole unit assembly Clean with dry lint free cloth 3 Control Circuit Parts Closing and Tripping Device Including Disconnect...

Page 49: ...R OF CONTACTS IN VACUUM MAY PRODUCE X RADIATION THE RADIATION MAY INCREASE WITH THE INCREASE IN VOLTAGE AND OR DECREASE IN CONTACT SPACING X RADIATION PRODUCED DURING THIS TEST WITH RECOMMENDED VOLTAG...

Page 50: ...Contact Erosion Indicator with Breaker Closed Indicators are Checked Only When Breaker is Closed ever during high current interruptions there may be a minimum amount of erosion from the contact surfa...

Page 51: ...minute Repeat for the remaining poles Successful withstand indicates satisfactory insulation strength of the primary circuit If a DC high potential machine is used make certain that the peak voltage d...

Page 52: ...Instruction Book Page 46 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07 Figure 7 5 Wipe Indication Procedure Performed Only with Breaker Closed...

Page 53: ...Circuit Control Power fuse blown or switch off Secondary Disconnects Motor Cut off Switch Poor or burned contacts Lever not operational Terminals and connectors Poor or burned contacts Motor Brushes...

Page 54: ...N C contact open or burned or relay picks up Close Coil Open or burned Latch Check Switch Contact open bad switch or trip bar not reset Auxiliary Switch b contact open or burned Motor Cut off Contacts...

Page 55: ...welded Control circuit Mechanism Control Power Fuse blown or switch off Secondary Disconnect Auxiliary Switch a contact not making poor or burned Trip Coil Burned or open Terminals and Connections Po...

Page 56: ...r to customer depending upon the service severity and continuity requirements Each customer should develop his own stock level based on operating experience Table 8 1 8 2 ORDERING INSTRUCTIONS a Alway...

Page 57: ...e Number Description Type Cont Current C L VCP 29WR VCP 29WRSE Interrupter Assembly 50 250 1200A 58kA 4 4 SC 3A73901H01 3A73901H21 50 250 2000A 58kA 5 5 SC 3A73902H01 3A73902H21 50 250 2000A 58kA 5 3A...

Page 58: ...ont Current C L VCP 29WR VCP 29WRSE 75 500 1200A 66kA 3A73907H01 3A73907H02 75 500 2000A 66kA 3A73908H01 3A73908H02 75 500 3000A 66kA 3A73909H01 3A73909H02 150 500 1200A 37kA 4 3 SC 3A73910H01 3A73910...

Page 59: ...umber Style Number Description Type Cont Current C L VCP 29WR VCP 29WRSE 150 750 1200A 58kA 3A73913H01 3A73913H02 150 750 2000A 58kA 3A73914H01 3A73914H02 150 750 3000A 58kA 3A73915H01 3A73915H02 150...

Page 60: ...urrent C L VCP 29WR VCP 29WRSE 150 63 1200A 101kA 150 63 2000A 58kA 150 63 3000A 58kA 3A73916H31 3A73917H31 3A73918H31 270 25 32 40 1200A 270 25 32 40 2000A 270 25 32C 40C 1200A 270 25 32C 40C 2000A 8...

Page 61: ...ts Continued Style Number Description Type cont current C L VCP 18WR 50 250 1200A 58kA 50 250 1200A 78kA 3A73923H01 3A73932H01 50 250 2000A 58kA 50 350 2000A 78kA 3A73924H01 3A73933H01 75 500 1200A 66...

Page 62: ...ent C L VCP 18WR 150 500 2000A 37kA 3A73929H01 150 750 1200A 58kA 3A73930H01 150 750 2000A 58kA 3A73931H01 Style Number Style Number Description Type cont current C L VCP 29WR VCP 29WRSE Phase Barrier...

Page 63: ...d Assemblies Up to 15kV BLUE SPRINGS 692C799G01 Up to 15kV RED SPRINGS 692C799G02 Up to 15kV WHITE SPRINGS 692C650G01 692C650G02 Up to 15kV BLUE SPRINGS 692C651G01 692C651G02 Up to 15kV RED SPRINGS OR...

Page 64: ...WRSE Lower Support Up to 15kV 350 1000 MVA 1200 2000A 5697B19H01 686C575H01 27kV 1C94707H01 Shock absorber 350 1000MVA 1200 2000A 63kA 27kV 5677B26H01 5677B26H01 Style Number Description VCP 20WR Phas...

Page 65: ...VCP 20WR Phase Barriers Up to 5kV except 50 350 1200A 2000A 5677B34H01 5677B36H01 Shock Absorber 5677B26H01 Style Number Description VCP 29WR VCP 29WRSE VCP 20WR VCP 18WR Charging Motor 48 VDC 125VDC...

Page 66: ...0VAC 8237A27H03 8237A27H04 8237A27H05 8237A27H01 8237A27H02 8237A27H03 8237A27H04 8237A27H05 8237A27H01 8237A27H02 8237A27H03 8237A27H04 8237A27H05 8237A27H01 8237A27H02 8237A27H03 8237A27H04 8237A27H...

Page 67: ...E VCP 20WR VCP 18WR Motor Cutoff Switch 699B199G04 699B199G04 699B199G04 Motor Cutoff Switch 5677B02G11 Latch Check Switch 699B147G01 699B147G01 699B147G01 699B147G01 Position Switch 1 Position Switch...

Page 68: ...HUNT TRIP Number 2 8794C84G11 48VDC 8794C84G12 125VDC 120CAP 8794C84G13 250VDC 240CAP 8794C84G14 24VDC 8794C84G11 48VDC 8794C84G12 125VDC 120CAP 8794C84G13 250VDC 240CAP 8794C84G14 24VDC 8794C84G11 48...

Page 69: ...al com Table 8 1 Recommended VCP WR Spare Parts Continued Style Number Description Type Cont Current C L VCP WRG 50 63 WRG 1200A 50 63 WRG 2000A 50 63 WRG 3000A 8297A29H33 8297A30H33 8297A31H33 150 63...

Page 70: ...Instruction Book Page 64 Effective February 2007 For more information visit www EatonElectrical com I B 8295A61H07...

Page 71: ...WR VCP WRC VCP WRG and VCP WRGC Fixed Vacuum Circuit Breaker Elements 2005 Eaton Corporation All Rights Reserved Printed in USA Publication No IB8295A61H07 ISI February 2007 Corporation Cutler Hammer...

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