115 NXAIR / ≤ 40 kA 110-0084.9 / 15
Accessing the connection compartment through the front
8 Accessing the connection compartment through the front
Read and understand these instructions before attempting installation works.
Electric shock
Always verify safe isolation from supply without any doubt.
In the instructions given in the following sections it is assumed that new switchgear
is being installed, which has not yet been energized with operational high voltage.
If the switchgear is already in operation, operational high voltage could be
applied at the connections in the connection compartment.
To perform tests or work in the connection compartment of a switchgear
that is already in operation, follow the directives of the Operating
Instructions with order number 110-0134.9.
Hereafter, the disassembly of those parts is described, which are later assembled
again at the same place.
Store disassembled parts and connecting elements carefully, and keep
them ready for later reuse.
8.1 Preparations before accessing the connection compartment
Preconditions
• If a withdrawable part / switching-device truck is inserted in the switching-device compartment:
• High-voltage door closed
• Withdrawable part / switching-device truck in test position
•
Feeder earthing switch in CLOSED position
To Next Page
Loading...
