whether the load is lesser or bigger ...... trips in the range of these speeds ......
the drive , its parameters & hence the machine having this drive & motor is new ...... so i don't think that wrong v/f characteristics selected ..........
what might be the possible solutions & causes ?
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when speed is set between the speeds 50 m/min to 95 m/min inside HMI , then if the machine runs between any of the speed ranging in this stated speed for about more than 1 minute or 2 minutes ..... then tripping