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BrianG · 03.06.2007, 12:51 PM

It is easy to see which is which by looking at a coil diagram. In a D config, voltage is applied across one coil. When in Y config, voltage is applied across 2 coils (but as a vector, which is why it is 1.73x, not 2x). So, in effect, Y config has more turns so kv decreases.

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BrianG RC-Monster Admin Offline Posts: 14,609 Join Date: Nov 2005 Location: Des Moines, IA	03.06.2007, 12:51 PM It is easy to see which is which by looking at a coil diagram. In a D config, voltage is applied across one coil. When in Y config, voltage is applied across 2 coils (but as a vector, which is why it is 1.73x, not 2x). So, in effect, Y config has more turns so kv decreases.