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What is stall prevention?

2014/04/18
When the accel./decel. time is too short and the change of output frequency is faster than the motor speed, the AC motor drive will stop due to over-current. This situation is called stall. To have normal motor operation, it needs to control frequency by the output current. Therefore, the accel. rate should be decreased when the output current is too large. That is stall prevention
 
 
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