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Understanding the Harmonic Analysis Report

Category: PQ Theory, Power Quality, PQ Data Analysis, Analyzing Waveforms, Harmonics/Interharmonics

Understand how to create a Harmonic Analysis Report in ProVision, each piece of the report and when to use the report versus other ProVision harmonic tools.


The Harmonic Analysis Report is a powerful tool featured in PMI's ProVision software. It features a plethora of detailed data, presented in an easy to read format. In addition, the data can be exported to CSV and a number of other formats.


ProVision also features harmonic stripcharts, which allows for long-term study of harmonics. An important difference between a harmonic stripchart and a harmonic report is that a harmonic report only shows harmonics for a one-cycle period.


A harmonic stripchart may be more suited for a long-term trend study of harmonics present in a system, but requires more recorder memory, and selection of specific harmonics to record as stripcharts. The waveform-based method has the advantage of showing all harmonics, and with much less memory cost.


It’s also useful for harmonic analysis of an existing recording, where no harmonics were explicitly enabled. For a detailed explanation of the strategies for using waveform capture for harmonic analysis in ProVision, see...


This White Paper Includes:

  • Opening a Harmonic Report
  • Report Header
  • THD-F and THD-R
  • THD Fundamental
  • THD-R
  • Even Harmonics
  • Odd Harmonics
  • Triplen Harmonics
  • Telephone Interference Factor (TIF)
  • K Factor
  • Magnitude
  • Phase
  • Harmonic Report vs. Stripchart

Download White Paper Here