Impacts of Experimentally Obtained Harmonic Spectrums of Residential Appliances on Distribution Feeder: Preprint

Akshay Kumar Jain, Barry Mather, Jinia Roy

Research output: Contribution to conferencePaper


This paper focuses on the harmonic load flow study for a set of residential loads and the impacts of the harmonic contents on the distribution feeder. Owing to the increased use of the power electronic based appliances and energy efficient home equipment like the lighting loads, the percentage of non-linear loads has increased in the distribution system which can impact the system performance, loss, and stability. Thus a comprehensive knowledge of their power quality and harmonic analysis is essential to improve the load models, voltage stability assessment, determining possible interactions at harmonic frequencies, protection planning, and the effect of the system impedance. For this study, the household appliances include the lighting, power electronics, resistive, and motor loads with a nominal supply voltage of 120 V single-phase or 240 V split-phase at a nominal frequency of 60 Hz. The harmonic spectrum as obtained from the experimental data is used to solve the harmonic load flow for a detailed secondary network including the distribution transformer extracted from a real distribution feeder's model. Additionally, the impact of the voltage harmonic on a three phase test load is presented through experimental results. The harmonic data of the transformer terminal voltage as obtained from the former load flow study is scaled to generate the source voltage for the three phase configuration of the grid simulator to make the test setup very similar to a real scenario.
Original languageAmerican English
Number of pages9
StatePublished - 2020
EventIEEE Texas Power and Energy Conference (TPEC) - College Station, Texas
Duration: 6 Feb 20207 Feb 2020


ConferenceIEEE Texas Power and Energy Conference (TPEC)
CityCollege Station, Texas

Bibliographical note

See NREL/CP-5D00-77184 for paper as published in IEEE proceedings

NREL Publication Number

  • NREL/CP-5D00-75751


  • equivalent power loss
  • harmonic power flow
  • load modeling
  • OpenDSS
  • residential loads
  • total harmonic distortion


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