I.B. 3A74792H08
5-3.1
5-3.2
Charging ....................................................................................................................................... 23
5-3.3
Closing Operation ................................................................................................................... 25
5-3.4
Tripping Operation .................................................................................................................. 25
5-4
Control Schemes ................................................................................................................................. 25
5-4.1
Timing ..................................................................................................................................... 25
5-4.2
Secondary Disconnects .......................................................................................................... 25
5-4.3
Secondary Terminal Blocks .................................................................................................... 29
5-4.4
Undervoltage Trip Device........................................................................................................ 29
5-5
Interlocks and Interfacing .................................................................................................................... 30
5-6
5-7
Operations Counter ............................................................................................................................. 30
5-8
Ground Contact ................................................................................................................................... 30
5-9
6-1
Introduction ......................................................................................................................................... 32
6-2
6-2.1
Qualified Personnel ............................................................................................................... 32
6-2.2
6-2.3
General Torque Guidelines ................................................................................................... 32
6-3
6-4
6-5
Contact Erosion ................................................................................................................................... 36
6-6
Contact Wipe ....................................................................................................................................... 36
6-7
Insulation ............................................................................................................................................. 37
6-8
Insulation Integrity Check .................................................................................................................... 37
6-9
6-10
Mechanism Check ............................................................................................................................... 39
6-10.1
6-11
Lubrication ........................................................................................................................................... 43
6-12
Troubleshooting Chart ......................................................................................................................... 43
General .............................................................................................................................................. 46
7-1
7-1.1
Ordering Instructions ............................................................................................................. 46
Figure
Title
1-1
Type VCP-W 38kV Drawout Circuit Breaker Outlines and Dimensions ................................................. 6
1-2
Type VCP-WR 38kV Fixed Circuit Breaker Outlines and Dimensions ................................................... 7
3-1
Circuit Breaker Shown Mounted with Ramp Still in Shipping Position (VCP-W Only) .......................... 10
3-2
Circuit Breaker Shown Being Moved Carefully Down Attached Ramp (VCP-W Only) ......................... 10
3-3
Optional Fifth Wheel Shown in Use (VCP-W Only) .............................................................................. 10
3-4
Front View VCP-W 38kV Drawout Vacuum Circuit Breaker ................................................................. 12
3-5
VCP-W or VCP-WR 38kV Vacuum Circuit Breaker with Front Cover Removed .................................. 13
3-6
Rear View VCP-W 38kV Drawout Vacuum Circuit Breaker ................................................................. 14
3-7
Rear View VCP-WR Fixed Vacuum Circuit Breaker ............................................................................ 15
Effective
0 9 / 2 0 14
Test ...................................................................................................................... 39
FIGURES
P a g e v
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