Changing 500 V Motors Into 400 V
Posted 23 September 2008 - 07:22 AM
Posted 23 September 2008 - 08:12 AM
You can change the voltage by rewinding. Reduce the number of turns by the voltage ratio. To reduce the voltage by 10%, reduce the number of turns by 10%.
You also need to increase the wire size as the current at the reduced voltage will be higher.
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