I want to ask you something Poynt.
If I give you a power waveform P(t). Find the phase differential. Can you do this?
Again, assuming that the power trace is an undistorted sinusoid, yes. Here's how, just for you Gibbs.
If P^{+} is the power trace positive peak, and P^{} the negative peak, the phase angle of the voltage and current can be computed as follows: PHASE = ARCCOS [(P^{+} + P^{}) / (P^{+}  P^{})]Let's try a couple examples:If P ^{+} is 17.07W and P ^{} is 2.93W, we have: PHASE = ARCCOS [(17.07  2.93) / (17.07 + 2.93)] PHASE = ARCCOS (14.14/20) PHASE = ARCCOS (0.707) PHASE = 45ºIf P ^{+} is 4W and P ^{} is 1W, we have: PHASE = ARCCOS [(4  1) / (4 + 1)] PHASE = ARCCOS (3/5) PHASE = ARCCOS (0.600) PHASE = 53.13º
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