NXAirS Withdrawable Metal-enclosed Switchgear, Rated Voltage Up to 12kV
30
13.15.1 Electrical operation of the earthing switch
Preconditions for the operation
●
The removable part is in test position or outside the cabinet.
●
Power off is required on the cable side.
●
Interlock conditions must be met.
●
Check whether the change-over switch is in “electrical
operation” position or the removable part is removed.
●
Press “Close” for closing operation of the earthing switch or
press “Open” button for opening operation of the earthing
switch.
As long as earthing switch operation is also turned on, motor
power supply will be cut off automatically, electrical operation
will be prohibited.
13.15.2 Electrical operation of the removable part
Operating procedure
Preconditions for the operation
●
Turn the change-over switch to “electrical operation”
●
Interlock conditions must be met.
●
Check whether change-over switch is in “electrical operation”
position or earthing switch is open
●
Return from “working position” to “test position”, press “cart
exit” button in front of the panel
●
Turn to “working position” from “test position”: press “Push”
button in front of the panel
As long as cassettee operation is also turned on, motor power
supply will be cut off automatically, electrical operation will be
prohibited.
Note: see operation manual of the electric mechanism for
cassettee
Operating procedure
Electrical operation
Manual switching
Operating procedure
Electrical operation
Manual switching
13.15 Electrical operation
Operation of NXAirS
