Racking The Removable Voltage Transformers To Test Position - Siemens NXAIR Operating Instructions Manual

Air-insulated switchgear ≤ 17.5 kv / ≤ 40 ka / ≤ 4000 a busbar current
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Operating the removable voltage transformers

19.5 Racking the removable voltage transformers to test position

Fig. 437: Racking tool for the removable voltage transformers
Preconditions
High-voltage door closed
Removable voltage transformers in service position
Door to voltage transformer compartment closed and screwed tight
Racking tool available
Key for padlock available
The actuating opening for racking the removable voltage transformers is located on the control board of the
door to the voltage transformer compartment.
Fig. 438: Actuating opening for racking the
Procedure
Remove the padlock from the operating slide.
Lift the operating slide and hold it.
246
NOTICE
Maloperation
If the removable voltage transformers are not correctly positioned in the panel,
damages may occur when the removable voltage transformers are racked.
If you hear a noise or if you notice a resistance, stop racking immediately.
Inform the regional Siemens representative.
removable voltage transformers
NXAIR / ≤ 40 kA
110-0134.9 / 14

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