Electrical – Vpp for American split-phase 110V AC

acrectifiersingle-phasesplit-phasevoltage

I know the 'nominal' voltage of 110/115/120 is both based on Vrms and that stability @ any of those levels is pretty much a fairy tail.

I also know that most rectifiers will output ~130-150V after re-assembling the waveform & filling a comditioning cap.

What I'm not 100% sure on, and don't really feel like digging out my soldering iron & finding a few diodes to test it today, is the peak-to-peak voltage of the 110VAC 'hot' line.

Best Answer

Place a high resistance (perhaps 1M ohm) from your + to - output. Now there is a closed circuit which includes 2 diodes and a resistor. Where is the source in that loop ? (You didn't say you wanted voltage to GND)

Then you edited in a capacitor, which is ok.

LT Spice simulator might or might not be trusted.

Along with seeing no source in your loop, LT Spice agrees that voltage is zero.

The voltage at the cathode of D1 (my circuit), with respect to ground is 340 volts peak to peak. ( I used 120 VRMS ).

The OP did state to use 110 VRMS. The voltage at the cathode of D1 (my circuit), with respect to ground is then 310 volts peak to peak.

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