GE SecoVac Series - Operation and Installation Guide; Working Principles and Wiring Diagrams

Operation
29
SecoVac 3.3kV-27kV Embedded Pole Vacuum Circuit Breaker
Operation
Internal Wiring Diagram
......................
30
Working Principle
............................
33
Vacuum interrupter
........................
33
Working principle of operating mechanism
....
33
Motor spring charging ..................... 33
Closing operation
..........................
34
Anti-Pump ................................34
Tripping operation
.........................
34
R
eclosing
.................................
34
Interlocks
.................................
3
Installation
...................................
3
Commissioning
..............................
36
Considerations
...............................
36
Preparation Work
............................
36