DocumentCode :
3602861
Title :
An Integrated Harmonic-Filtering Transformer for Low-Voltage Distribution Systems
Author :
Chonggan Liang ; Longfu Luo ; Yong Li ; Jiazhu Xu ; Qi Qi ; Yuehui Chen ; Guandong Zhou ; Meihua Deng
Author_Institution :
Coll. of Electr. & Inf. Eng., Hunan Univ., Changsha, China
Volume :
51
Issue :
11
fYear :
2015
Firstpage :
1
Lastpage :
4
Abstract :
There are ever-increasing harmonic concerns caused by nonlinear loads in today´s low-voltage distribution systems. Therefore, a passive-filter-based transformer equipped in the box-type distribution substations is conceived for power quality improvement. Attempting to address the problem that physical size is strictly confined in these prefabricated substations, a distribution transformer with integrated filtering inductors is proposed in this paper. The configuration, electromagnetic decoupling circuit, and design procedures of this transformer are described. To verify the theoretical analysis, finite-element simulations and experiments of an integrated distribution transformer prototype are performed, by which the essential electromagnetic performances of the proposed transformer, such as electromagnetic decoupling and inductance linearity of the integrated inductors, are validated.
Keywords :
design engineering; distribution networks; finite element analysis; power harmonic filters; power supply quality; power transformers; transformer substations; box-type distribution substation; distribution transformer design; electromagnetic decoupling circuit; finite element simulation; integrated filtering inductor; integrated harmonic-filtering transformer; low-voltage distribution system; passive-filter-based transformer; power quality improvement; prefabricated substation; Circuit faults; Couplings; Filtering; Harmonic analysis; Inductors; Power harmonic filters; Windings; Distribution transformer; distribution transformer; electromagnetic decoupling; harmonic filtering; integrated filtering inductor;
fLanguage :
English
Journal_Title :
Magnetics, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9464
Type :
jour
DOI :
10.1109/TMAG.2015.2442413
Filename :
7118717
Link To Document :
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