Motor stalling with SLVC and high output frequency

Corrected from:

  • Inverter Drives 8400 StateLine V18.00.00
  • Inverter Drives 8400 HighLine V18.00.00
  • Inverter Drives 8400 TopLine V18.00.00
Response of the new version:
The restricion has been corrected.
 
What happens?
At high output frequencies, the motor may stall.
 
When does this behaviour occur?
Depending on the motor, the motor may stall at high output frequencies with SLVC.
In general, the behaviour may occur with the following combinations:
- Inverters up to 22 kW: Output frequency greater than 3x rated motor frequency
- Inverters from 33 kW: Output frequency greater than 2x rated motor frequency
 
Which products are affected?
  • Inverter Drives 8400 StateLine
  • Inverter Drives 8400 HighLine
  • Inverter Drives 8400 TopLine  

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/201800013/1/
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