Danfoss VLT AQUA Drive FC 202 Operating Instructions Manual page 168

10. Specifications
10.2.6. Automatic adaptations to ensure performance
The frequency converter constantly checks for critical levels of internal temperature, load current, high voltage on the intermediate circuit and low motor
speeds. As a response to a critical level, the frequency converter can adjust the switching frequency and / or change the switching pattern in order to
ensure the performance of the frequency converter. The capability to automatically reduce the output current extends the acceptable operating conditions
even further.
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MG.20.M5.02 - VLT is a registered Danfoss trademark
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VLT AQUA Drive
Operating Instructions