150 hp 480v fla 210a w/ vsd

[Eric42]

If the motor control has a VSD do you still have to size your wire at 125% . It is for an air compressor - 150 hp 480v 210 fla

 

[petersonra]

If the motor control has a VSD do you still have to size your wire at 125% . It is for an air compressor - 150 hp 480v 210 fla

wiring to the VFD has to be 125% of the rated input current of the drive.

wiring from the vfd to the motor is just normal motor wiring. 125% of the FLC from the tables in the NEC.