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IF I USED VVVF DRIVE IN FAN APPLICATION MOTOR IN 6.6 KV (
700 KW) MOTOR & DURING NORMAL RUN OPERATION TIME IF RPM
SUDDENLY REDUCE IN MOTOR BY DRIVE(E. MOTOR RPM REDUCE
SUDENLY 687 TO 550 RPM) WAHT WILL BE HAPPEND IN DRIVE
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Answer Posted / mahadev kandagalla
There may be sudden increase in current, due to sudden DEACCELERATION that time drive may trip so my suggestion is that in any VFDS you will get DEACCELERATION time setting so just set it for a proper timing so that drive will not get trip.
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