Service and maintenance
5.4 Replacing additional components
Power Module PM330
Hardware Installation Manual, 12/2018, A5E32844552B AF
79
Note
Carefully insert the plug connections and ensure that they are secu
re.
Additional removal steps for the outer current transformer
Before removing the two outer current transformers, the subsequent removal steps must be
performed to gain access to the screws.
Figure 5-9 SINAMICS G120P current transformer 2
Current transformer, left:
1. Release interlock
① of the left-hand housing flap, which allows you to access screws ②
to be removed.
2. Then follow the removal steps for the middle current transformer, see above.
Current transformer, right:
1. Remove nuts
③ and screws ④ and ⑤ of the DCP busbar ⑥ and the DCN busbar ⑦.
2. Remove the DCP busbar
⑥ and DCN busbar ⑦.
3. Then follow the removal steps for the middle current transformer, see above.
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