Description
3.3 Power unit
①
②
③
④
⑤
Figure 3-7
3.3.3.4
Ground fault detection
The measuring resistors are current-limiting elements. Using them in conjunction with the
surge suppressor provides personnel protection.
38
AVT combination modules
Transformer
Measuring resistors
Surge suppressor
80 kHz power supply
Overview of the voltage sensing circuit
SINAMICS GL150 6SL38503UM114PA0Z
Operating Instructions 04/2017