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Converting 480 volt 3 phase air compressor to 230 volt single phase with a VFD - 1 of 2
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Here is the first of two videos about how to re-wire a three phase motor to change it from 480 volt to 230. Also, since this is three phase equipment, I cover how to use a VFD to power it from standard residential 230v service as well as how to re-wire the control panel so it all works together.
I also touch on some aspects of VFDs compared to rotary phase converters (RPC), cost comparisons and a few other nice features of the VFD. Such as the ability to control motor speed, ramp up time (get to full speed in a specified number of seconds), etc.
There are also a couple tips on how to use VFDs in devices using contactors. If used incorrectly it is very likely the VFD will be damaged.
I also touch on some aspects of VFDs compared to rotary phase converters (RPC), cost comparisons and a few other nice features of the VFD. Such as the ability to control motor speed, ramp up time (get to full speed in a specified number of seconds), etc.
There are also a couple tips on how to use VFDs in devices using contactors. If used incorrectly it is very likely the VFD will be damaged.
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