Areva WSB - Disconnecting the Voltage Transformer

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6.7 Disconnecting the
voltage transformer
(e.g. in case of voltage tests
on the switchgear)
Warning!
Isolating devices for
voltage transformers
can only be actuated
in de-energized condition.
1.
Pull locating pin upwards (Fig. 6.34)
or downwards (Fig. 6.33), depen-
ding on the arrangement of the iso -
lating device.
2.
Swing lever speedily. The isolating
device slides on the earthing contact
(voltage transformer earthed).
3.
The locating pin must lock into the
bore-hole in its new end position
(it must not be left in an intermediate
position).
2
Fig. 6.33
Isolating device for voltage transformer
on the busbar
1 Locking pin
2 Lever
3 Description of the positions
Fig. 6.34
Isolating device for the voltage transformer
in the feeder panel
1 Locking pin
2 Lever
3 Description of the positions
3
2
1
3
1