Power Factor and Displacement Power Factor

Power Factor Vs. Displacement Power Factor

What’s the difference?

True power factor (PF) and displacement power factor (DPF) are commonly available on power analyzers and loggers. At first glance (and in some situations), they appear to measure the same thing, but there is an important difference. A review of their definitions and an explanation of when to use each are presented here.

PF and DPF are both measures of the “efficiency” of power delivery, in the sense that they are ratios of the useful energy delivered to a load versus the &

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