Hello,
Have just installed a 3 phase generator for my workshop as have been running a rotary inverter for years.
The generator is 40kva and produces 55amps per phase,
when connected up to everything in the workshop e.g, big milling machine, bridgeport interact, all works fine.
However, when connected to the bridgeport vmc and the m/c turned on, the voltage on the generator goes from 400v to 450v and hasnt done the vmc much good as wires started smoking. No damage was done thank goodness. But does anyone know why this happens? All the other machines are fine.
Does it need a 3phase filter or diodes in the line?
any help would be great.
thanks
Dave