J johnmahnke New member Nov 4, 2005 #1 Is it ok to wire a motor for 220 volts and control it from a 480 volt VSD. What would be the full load amps.
Is it ok to wire a motor for 220 volts and control it from a 480 volt VSD. What would be the full load amps.
petersonra Senior Member Location Northern illinois Occupation engineer Nov 4, 2005 #2 Re: 220volt motor with 480 VSD Yes. You would need to configure the VSD for a maximum of 220V rather than 480V though.
Re: 220volt motor with 480 VSD Yes. You would need to configure the VSD for a maximum of 220V rather than 480V though.
B bthielen Guest Nov 4, 2005 #3 Re: 220volt motor with 480 VSD What would be the full load amps Click to expand... Should be able to find this information on the motor nameplate. You will still be using it in a 220v application.
Re: 220volt motor with 480 VSD What would be the full load amps Click to expand... Should be able to find this information on the motor nameplate. You will still be using it in a 220v application.
tom baker First Chief Moderator & NEC Expert Staff member Location Bremerton, Washington Occupation Master Electrician Nov 4, 2005 #4 Re: 220volt motor with 480 VSD Yes it can be done, if the VFD is large enough. You'll need to review the manual for the VFD. Amps are determined by HP and voltage. Check the nameplate.
Re: 220volt motor with 480 VSD Yes it can be done, if the VFD is large enough. You'll need to review the manual for the VFD. Amps are determined by HP and voltage. Check the nameplate.