Restrictions For Special Ambient Conditions - Siemens SINAMICS G120 Hardware Installation Manual
Power module
Hide thumbs
Also See for SINAMICS G120:
- List manual (1256 pages) ,
- Manual (732 pages) ,
- Operating instructions manual (550 pages)
Table of Contents
Advertisement
7.6
Restrictions for special ambient conditions
Maximum current at low speeds
NOTICE
Overheating the converter due to unsuitable load
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 have a negative impact on the
converter service life.
• Never operate the converter continuously with an output frequency = 0 Hz.
• Only operate the converter in the permissible operating range.
Figure 7-1
• Continuous operation:
Operating state that is permissible for the complete operating time.
• Short-time duty:
Operating state that is permissible for less than 2 % of the operating time.
• Sporadic short-time duty:
Operating state that is permissible for less than 1 % of the operating time.
PM250 Power Module
Hardware Installation Manual, 04/2021, A5E36265179B-AB
Permissible operating range of the converter
Technical specifications
7.6 Restrictions for special ambient conditions
61
Advertisement
Table of Contents
