Page vi
I.B. 3A74792H08
Effective
09/2014
FIGURES
Figure
Title
Page
3-8
Typical VCP-W 38kV Escutcheon ............................................................................................................. 16
4-1
Type VCP-W Circuit Breaker Manual Charging Handle in Use ................................................................ 18
4-2
Drawout Circuit Breaker (Bottom View) ..................................................................................................... 20
5-1
Rear View Showing Pole Unit Enclosure (VCP-W Only) ........................................................................... 21
5-2
Plate Over Rear Truck Opening 2000A Breakers and Above (VCP-W Shown) ....................................... 21
5-3 Graphic
Representation of Arc Interruption ............................................................................................... 22
5-4
Closing Cam and Trip Linkage .................................................................................................................. 24
5-5 Charging
Schematic .................................................................................................................................. 26
5-6
Typical VCP-W “DC” and “AC” Control Schematics (Drawout) ................................................................. 27
5-7
Typical VCP-WR “DC” and “AC” Control Schematics (Fixed) ................................................................... 28
5-8
Secondary Plug Shown Mounted Lower Left Drawout Circuit Breaker ..................................................... 29
5-9
Secondary Terminal Blocks Shown Mounted Bottom Front Fixed Circuit Breaker ................................... 30
5-10
Undervoltage Trip Device Configuration .................................................................................................... 31
6-1
Lubrication Points (Drawout Circuit Breaker Shown) ................................................................................ 34
6-2
Rear Measurement for Contact Erosion Being Made (Circuit Breaker Closed) ........................................ 37
6-3
Graphical Representation of Contact Erosion Measurement .................................................................... 37
6-4
Side View of Loading Spring Indicator (Circuit Breaker Closed) ............................................................... 38
6-5
Graphical Representation of Contact Wipe Measurement of Loading Spring Indicator ............................ 38
6-6 Resistance
Measurement Locations ......................................................................................................... 38
6-7 Status
Indicators ........................................................................................................................................ 39
6-8 Starting
Tape at Bottom ............................................................................................................................. 39
6-9 Wrapping
Tape
up around Cam ................................................................................................................ 39
6-10
Attaching Tape Around to Back of Cam .................................................................................................... 40
6-11 Attaching
CloSure
TM
Test Tool at Hole “A” ................................................................................................ 40
6-12 Attaching
CloSure
TM
Test Tool at H Pole “B” ............................................................................................. 40
6-13 Manually
Charging Closing Springs .......................................................................................................... 40
6-14
Manually Closing Circuit Breaker with Marker in Hole “C” ........................................................................ 41
6-15
Top View of Cam and Marker Interface ..................................................................................................... 41
6-16 Move
Marker 15° to Right .......................................................................................................................... 41
6-17 Move
Marker 15° to Left ............................................................................................................................ 41
6-18
Remove Marked Masking Tape from Cam ................................................................................................ 41
6-19
Place Tape on Right Side Panel of Breaker .............................................................................................. 41
6-20 Illustrative
Testing Tape Sample ............................................................................................................... 42
6-21
Front View of CloSure
TM
Tool Showing Mounting/Testing Hole Locations ................................................ 42
6-22
Typical Circuit Breaker Front View with CloSure
TM
Tool Attached ............................................................ 42
TABLES
Table Title
Page
1-1
Type VCP-W Ratings on Symmetrical Current Rating Basis ...................................................................... 2
1-2
Type VCP-WC Ratings on Symmetrical Current Rating Basis ................................................................... 4
3-1
Approximate Circuit Breaker Weights ........................................................................................................ 11
5-1 Circuit
Breaker Timing ............................................................................................................................... 29
6-1 Torque
Guidelines ..................................................................................................................................... 33
6-2 Test
Voltage
............................................................................................................................................... 36
6-3 CloSure
TM
Tool Mounting /Testing Locations by Circuit Breaker Type ..................................................... 42
6-4 Approximate
Resistance Measurements ................................................................................................... 43
7-1 Recommended
Renewal Parts for ANSI Rated Breakers ......................................................................... 46
Содержание 380 VCP-W 21
Страница 2: ......
Страница 13: ...I B 3A74792H08 Page 7 Effective 09 2014 ...
Страница 19: ...I B 3A74792H08 Page 13 Effective 09 2014 Figure 3 4 Front View VCP W 38kV Drawout Vacuum Circuit Breaker ...
Страница 21: ...I B 3A74792H08 Page 15 Effective 09 2014 Figure 3 6 Rear View VCP W 38kV Drawout Vacuum Circuit Breaker ...
Страница 22: ...Page 16 I B 3A74792H08 Effective 09 2014 Figure 3 7 Typical VCP W 38kV Escutcheon ...
Страница 23: ...I B 3A74792H08 Page 17 Effective 09 2014 Figure 3 8 Typical VCP W 38kV Escutcheon ...
Страница 33: ...I B 3A74792H08 Page 27 Effective 09 2014 compartment Figure 5 5 Charging Schematic ...
Страница 34: ...Page 28 I B 3A74792H08 Effective 09 2014 Figure 5 6 Typical VCP W DC and AC Control Schematics Drawout ...
Страница 35: ...I B 3A74792H08 Page 29 Effective 09 2014 Figure 5 7 Typical VCP WR DC and AC Control Schematics Fixed ...
Страница 38: ...Page 32 I B 3A74792H08 Effective 09 2014 Figure 5 10 Undervoltage Trip Device Configuration ...
Страница 41: ...I B 3A74792H08 Page 35 Effective 09 2014 Figure 6 1 Lubrication Points Drawout Circuit Breaker Shown ...
Страница 60: ...Page 54 I B 3A74792H08 Effective 09 2014 ...
Страница 62: ...Page 56 I B 3A74792H08 Effective 09 2014 Style 3A74792H08 Printed in USA ...