Instruction Book IB182312EN50/75/150 VCP-WSelectable Ground and Test Device150 VCP-W-SGTJune 2016Supersedes October 2015Effective

SECTION 1: INTRODUCTION

SECTION 2: SAFE PRACTICES

SECTION 3: RECEIVING, HANDLING, AND STORAGE

STORAGE

SECTION 4: DESCRIPTION AND OPERATION

DEVICE AMPERAGE CONVERSION PROCEDURE

SECTION 5: INSTALLATION & INSPECTION

INSERTION PROCEDURE

SECTION 6: INSPECTION AND MAINTENANCE

SECTION 7: REPLACEMENT OF COMPONENTS

Eaton VCP-W Series Instruction Book

Introduction

Type VCP-W vacuum circuit breaker element ratings (Tables 1, 2, 3, 4, 5, and 6)

rated symmetrical current basis

rated symmetrical current basis (standard ratings)

Outlines and dimensions

Figure 2. Type VCPW-ND circuit breaker outlines and dimensions in inches (mm)

Safe practices

Tools and accessories

Table 7 . Accessories for 36-inch wide breaker compartments for 29-inch frame breaker

Table 8. Narrow design accessories for 26-inch-wide breaker compartments

Table 9. 27 kV VCP-W accessories

Table 10. Simple manual ground and test devices—bus bar type

Table 13. Simple electrically operated ground and test device

Table 14. Simple electrically operated ground and test device for VCP-W without key interlocks

Type VCP-W vacuum circuit breaker element weights (Tables 18, 19, and 20)

Table 20. VCP-W (K = 1) breaker weights a

operation, and maintenance of type Effective March

Figure 4. Typical front view VCP-W vacuum circuit breaker

Figure 5. Typical VCP-W vacuum circuit breaker element with front cover removed

Figure 6. Typical rear view VCP-W vacuum circuit breaker element

Figure 7 . Typical VCP-W vacuum circuit breaker front cover arrangement

Initial inspection and installation

Figure 9. Insertion of the drawout extension rails

Figure 11. Front panel

Figure 12. BPI pan assembly

Figure 13. Non-BPI pan assembly

Circuit breaker performance check

Circuit breaker/structure interfacing

Figure 16. Pulling secondary disconnect cage to engage secondaries in TEST position

Description and operation

Vacuum interrupter

Stored energy mechanism

Figure 20. Closing cam and trip linkage

Figure 21. Charging schematic

Charging

Figure 22. Typical VCP-W DC and AC control schemes

Figure 23. 15 kV VCP-WXC 63 kA 1200-3000 A special power plant breakers

Figure 23. 5 kV VCP-WXC 63 kA 1200-3000 A special power plant breakers

Timing

Figure 24. 15 kV under-voltage trip device configuration

Interlocks and interfacing

Inspection, maintenance, and troubleshooting

General torque guidelines

Inspection and maintenance procedures

Vacuum interrupter integrity test

Figure 27 . Vacuum interrupter showing contact erosion indicator with breaker open


Contents Table Of Contents SECTION 1: INTRODUCTION SECTION 2: SAFE PRACTICES SECTION 3: RECEIVING, HANDLING, AND STORAGE STORAGE SECTION 4: DESCRIPTION AND OPERATION DEVICE AMPERAGE CONVERSION PROCEDURE SECTION 5: INSTALLATION & INSPECTION INSERTION PROCEDURE SECTION 6: INSPECTION AND MAINTENANCE SECTION 7: REPLACEMENT OF COMPONENTS	Instruction Book IB182312EN50/75/150 VCP-WSelectable Ground and Test Device150 VCP-W-SGTJune 2016Supersedes October 2015Effective Next / 20