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Formulas for Power and Harmonic Measurements

Category: Power Quality, Harmonics/Interharmonics

Formulas for Power and Harmonic MeasurementsFormulas for Power and Harmonic Measurements_01

Learn how to use PMI algorithms to compute various power quality measurements.


PMI recorders use a variety of algorithms to compute RMS voltage and current, real, reactive, and apparent power, true and displacement power factor, and phase angle. The formulas for these algorithms are detailed here.


This Whitepaper Includes:

  • Independent Channels/Single Phase
  • Three Phase WYE
  • Three Wire Data
  • Four Wire Delta
  • 2.5 Element WYE

Download White Paper Here