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Understanding the Critical Distinction Between Power Factor and Displacement Power Factor
This white paper clarifies the differences between true power factor (PF) and displacement power factor (DPF), detailing their definitions, calculations, and appropriate applications. While both metrics assess power delivery efficiency, PF accounts for all waveform distortions, including harmonics, whereas DPF focuses solely on the phase shift of the fundamental frequency. The paper provides guidance on when to use each metric, especially in scenarios involving power factor correction and harmonic distortion.
Key topics include:
- Displacement Power Factor
- Power Factor
- PF or DPF?
Why utilities should care:
Distinguishing between PF and DPF enables more accurate diagnosis of system inefficiencies, guides effective power factor correction, and informs harmonic mitigation strategies, ultimately supporting improved reliability and reduced operational losses in electrical networks.
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