alexa Active Power Measurement Based Harmonic Source Detecti
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Special Issue Article

Active Power Measurement Based Harmonic Source Detection in Power System by Using Wavelet Transform

R.Thulasiram#1, Ms.S.Rajeswari*
  1. Department of ECE, PSN College of Engineering & Technology, Tirunelveli, India
  2. Asst. Professor [Grade 2], Department of ECE, PSN College of Engineering & Technology, Tirunelveli, India
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Abstract

Harmonic pollution is one of the major issue in the modern power system. The harmonic pollution affects the power stability of industries and consumers. As the power system network are expanding more and more, it necessitates responsive detection of harmonic source and accurate identification of harmonic disturbances in order that remedial measures can be taken for the improvement of power quality. This paper presents a new method based on discrete wavelet transform for the detection of harmonic source and identification of harmonic content. It is based on the analysis of detail active power measurement approach. The detail active powers at the lowest level along with the details pollution factor have been used to clearly identify the location of the harmonic source. The simulation results presented here show that the proposed method can effectively indicate the presence of nonlinear load under both sinusoidal and distorted supplies and can also detect the dominant source of harmonic pollution in power system network.

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