Voltage Actual Value Sensing; Figure 3-6 Example: Components Of The Motor Voltage Sensing - Siemens SINAMICS GL150 Operating And Installation Instructions

The information that can be derived from the correlation between the command and the
generated signals includes:
1. Commutation errors
2. Bridge short-circuit
3. Inverter shoot-through
4. Misfiring
3.3.3.3

Voltage actual value sensing

The voltage actual values are measured using AVT combination modules, whose measuring
resistors are connected in series. This ensures a high degree of measuring accuracy.
①
②
③
④
⑤
Figure 3-6
SINAMICS GL150 6SL38503UM114PA0Z
Operating Instructions 04/2017
AVT combination modules
Transformer
Measuring resistors
Surge suppressor (only > 3 kV)
80 kHz power supply
Example: Components of the motor voltage sensing
Description
3.3 Power unit
37