DEAR ALL
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 / anjireddy boduggam
It is mandatory to install two devices:- 1) one device for
voltage adjustment 380v/220v 2)second device for HZ
Converter from 50hz/60hz, but as per technical knowledge
better to change them to suitable motors for 380 Volts / 50
HZ as the cost of Transformers (9nos.) and frequency
converters(50 HZ./60 HZ.) is more than the requirement.
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