The problem under discussion can be solved by providing "re-acceleration" to the drives. The drives i.e. the motors can be divided into a) contactor operated b) breaker operated c) VFD operated
For a) contactor operated motors, there are several ways of achieving like 1. by providing...
In most of the VFDs there is a feature called "Power Loss ride through" which usually takes care of such input voltage dips for few seconds. In this case the drive will continue to maintain the previous speed. But one should take care of the control supply part of VFD which, if...
PLEASE CHECK WHETHER THE NEW BREAKER HAS ANY CONTACT BOUNCING PROBLEM IN ANY OF THE POLES. IN CASE OF CONTACT BOUNCING, THE SURGES ARISING OUT THERE OF MAY BE CAUSING INSULATION FAILURE OF THE TRAFOS