Power Unit Components; Figure 3-1 Example: Components Of A Water-Cooled Continuous Operation Converter For A 12-Pulse - Siemens SINAMICS GL150 Operating Instructions Manual

3.3.2

Power unit components

The diagram below shows an example of the typical components in a continuous operation
converter for a 12-pulse drive system with water cooling:
①
Circuit breaker
②
Surge suppressor
③
Line-side converter with one to six thyristors in series
④
Water-cooled DC link reactor, installed in a cabinet
⑤
Motor-side converter with one to six thyristors in series
⑥
Static excitation equipment and synchronous motor with excitation
⑦
Motor current transformer in the output phases
⑧
Motor voltage sensing (U
⑨
Ground fault detection
⑩
Ground fault detection
⑪
Current transformer in input phases
⑫
Converter transformer
⑬
Synchronizing transformer or converter
⑭
Make-proof grounding switch
⑮
Cooling unit
⑯
Disconnector with make-proof grounding switch
Figure 3-1 Example: Components of a water-cooled continuous operation converter for a 12-pulse drive system
SINAMICS GL150 6SL38555UN113KA0Z
Operating Instructions Rev.201910281450 EXAMPLE
sensing)
M
Description
3.3 Power unit
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