Harmonic Impact on Distribution Transformer No-Load Loss

被引：82

作者：

Kefalas, Themistoklis D. ^{[1
]}

Kladas, Antonios G. ^{[1
]}

机构：

[1] Natl Tech Univ Athens, Sch Elect & Comp Engn, Athens 15780, Greece

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2010年 / 57卷 / 01期

关键词：

Finite element methods; industrial power system harmonics; magnetic anisotropy; magnetic cores; magnetic hysteresis; magnetic losses; nonlinear magnetics; power transformers; soft magnetic materials; transient analysis; CASCADED MULTILEVEL INVERTER; IRON LOSS; MODEL; CAPABILITY; INJECTION; CORE; FEM;

D O I：

10.1109/TIE.2009.2030207

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The losses in European Union distribution transformers are estimated at about 33 TW.h/year, whereas reactive power and harmonic losses add a further 5 TW.h/year. The reduction of distribution transformer no-load loss is particularly important as the ratio of no-load to load losses is nearly three. In this paper, the no-load operation of wound-core transformers under sinusoidal and distorted supply-voltage conditions is investigated. For that purpose, a 2-D nonlinear transient finite-element analysis taking into account hysteresis has been developed. The hysteresis model is based on a modified Jiles-Atherton representation, and the proposed analysis is compared to experimental data.

引用

页码：193 / 200

页数：8

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