Low Frequency Operation - Siemens SINAMICS G115D Operating Instructions Manual

Technical data

10.3 Low frequency operation

10.3 Low frequency operation
The converter can only be operated with reduced output current at low output frequencies.
NOTICE
Reduced converter service life as a result of overheating
Loading the converter with a high output current and at the same time with a low output
frequency can cause the current-conducting components in the converter to overheat.
Excessively high temperatures can damage the converter or reduce the converter service
life.
• Never operate the converter continuously with an output frequency = 0 Hz.
• Only operate the converter in the permissible operating range.
• Continuous operation (green area in the figure)
• Short-time operation (yellow area in the figure)
• Sporadic short-time operation (red area in the figure)
380
Operating state that is permissible for the complete operating time.
Operating state that is permissible for less than 2% of the total operating time.
Operating state that is permissible in very short and seldom operating conditions for less
than 1% of the total operating time.
Operating Instructions, 12/2020, FW V4.7 SP13, A5E48681219B-002
SINAMICS G115D distributed drive