NDLI: Third-Harmonic Current Suppression for Power Distribution Systems Under Unbalanced Installation of DG Units

Content Provider	IEEE Xplore Digital Library
Author	Yoshida, H. Wada, K.
Copyright Year	1982
Abstract	The ac/dc front-end converter in low-power applications such as household appliances usually contains diode rectifiers equipped with smoothing dc capacitors, which generate a large amount of harmonic current. As a solution for reducing the harmonic current, distributed generation (DG) units with a harmonic compensation function have become an attractive topic. In three-phase three-wire systems, the effect of the third-harmonic current is not serious, because most of the current is zero-sequence current. However, if many single-phase DG units are unevenly installed in three-phase grids, the third-harmonic currents may be serious. This paper shows that conventional harmonic suppression can increase third-harmonic currents in three-phase three-wire grids. To prevent an increase in the harmonic current, a third-harmonic suppression method called the balancing third-harmonic function is proposed. To validate the proposed control strategy, experimental results using a laboratory system are presented.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	5578
Ending Page	5585
Page Count	8
File Size	1069693
File Format	PDF
ISSN	02780046
Volume Number	62
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Harmonic analysis Power system harmonics Harmonics suppression Home appliances Phase transformers Capacitors Smoothing methods Third harmonic Single-phase distributed generation Harmonic suppression Three-phase three-wire system three-phase three-wire system single-phase distributed generation third harmonic
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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