Five step - Low frequency switching active power filter for network harmonic compensation in substations

Carlos V. Nunez-Noriega, George G. Karady

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper presents the performance evaluation of an active power filter that uses a five-step current source inverter. The use of a multi-step inverter implies lower frequency switching, thereby allowing the introduction of higher power switching devices. The control filter uses a frequency domain approach in which line current harmonics arc extracted using an FFT routine. A compensating current related to the harmonic components of the load current is generated. This compensating current is injected at the point of common coupling to cancel the load current distortion. The algorithm used to generate the compensating function is presented and the system's ability to reduce current harmonics with lower frequency switching is demonstrated through simulations and a low power prototype.

Original languageEnglish (US)
Pages (from-to)1298-1303
Number of pages6
JournalIEEE Transactions on Power Delivery
Volume14
Issue number4
DOIs
StatePublished - 1999

Fingerprint

Switching frequency
Fast Fourier transforms
Compensation and Redress

Keywords

  • Active power filters
  • Harmonic compensation
  • Power conditioners

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Five step - Low frequency switching active power filter for network harmonic compensation in substations. / Nunez-Noriega, Carlos V.; Karady, George G.

In: IEEE Transactions on Power Delivery, Vol. 14, No. 4, 1999, p. 1298-1303.

Research output: Contribution to journalArticle

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