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Results tagged with dc
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user 280017
DC stands for Direct Current, which means the flow of electric charge in a single direction. Examples of a DC source are batteries, solar panels, and dynamos.
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What would cause DC bus voltage on my VFD when the disconnect is off
When the motor leads are connected, the DC bus will charge. the most voltage I read was 20VDC. When I disconnect the output wires the bus bleeds off. … When it (the other vfd) is running that is when the DC bus gets a charge going to it. When it (the other vfd) is not running it does not charge the bus. …