Commissioning; Considerations; Preparation Work - GE SecoVac Series Manual

SecoVac 3.3kV-27kV Embedded Pole Vacuum Circuit Breaker

Commissioning

All commissioning and operation work
shall be carried out by persons who have
received professional training and are
familiar with operation of the breaker.
Necessary protective and preventive
measures shall be taken during work.
Use the product under normal working
conditions and within the range
of technical data according to the
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Considerations

Operation for withdrawable circuit breaker
Put the circuit breaker into test position
Connect the secondary wiring plug and
open and close the breaker several
times to ensure correct operation by
local and remote control
Insert the handle and rotate the racking
handle clockwise about 20 revolutions.
Upon the 'click', the withdrawable
circuit breaker will be in the service
position (Don't apply excessive force, to
avoid any damage)
36

Preparation Work

Check the circuit breaker for any
damage or any other dangerous
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Wipe down the breaker, especially dirt
that may have accumulated on the
surface of the insulator. Especially the
dirt on the surface of insulation
The lifting hook of the circuit breaker
must be removed prior to operation
Check the primary and secondary
circuits as well as the earthing
Implement energy charged, opening
and closing operations. Manually
ensure the breaker is operating
correctly