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I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm
but new local pwer is 220v 60 hz
requierd rpm should be 1000
pleas what the beast solution is used frequncy converter or
rewinding all motos or chang all motors
thanks
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Answer Posted / k.prakashchandra
VFD/ gear box is mandatory as 1000 rpm can not be the
synchronous speed with supply at 60Hz.
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