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| lowering a.c. voltage output for power supply |
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| David Hess:
--- Quote from: sam[PS] on February 28, 2020, 04:54:29 am --- --- Quote from: David Hess on February 13, 2020, 12:42:09 am ---The current is a little low but if you have a 24 volt AC output and a 15 volt AC output, then wiring them in series and anti-phase will produce 9 volts AC. --- End quote --- That's assuming there is no capacitive effect there to screw your phase alignement. i.e. probably not a good idea in real world. --- End quote --- The power line frequency is low enough that I have never seen it not work even with massively different transformer sizes. The phase shift is just not that great. It is not uncommon to do with only one transformer. A low voltage floating winding can be placed in series or anti-series to buck or boost the voltage of the main winding which would otherwise require multiple taps. |
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