478 KW WOLFER MAKE 1500-1750 RPM AC INDUCTION MOTOR COMNCTED TO VFD DRIVE.MOTOR IS USED FOR LOADING & UNLOADING THE CONTANERS IN SHIP.
WE HAVE REPLACED THE ROTOR BARS KEEPING CROSS SECTION OF BARS SAME AS ORIGINAL. NOW MOTOR IS WOKIKNG UP TO 95% LOAD ONLY.PRVIOUSLY IT WAS WORKING UP TO 100% LOAD. PARTY HAS CHANGED THE DRIVE ALSO EVEN THAN RESULATS REMAIN SAME. THERE ARE 3 SIMILAR MOTORS & WE HAVE CHANGED & THE ROTOR BARS IN ALL MOTORS AS THEY WERE BROKEN & THOSE MOTORS ARE WORKING ON 100 % LOAD
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