Three-phase AC filter inductor design for three-phase PWM inverter for conversion efficiency improvement at low load

被引：0
|
作者：
Matsumori H. [1 ]
Shimizu T. [1 ]
Takano K. [2 ]
Ishii H. [2 ]
机构：
[1] Power Electronics Labs, Tokyo Metropolotan University, 1-1, Minamioosawa, Hachioji, Tokyo
[2] Iwatsu Test Insturuments Corpolation, 1-7-41, Kugayama, Suginami-ku, Tokyo
来源：
Shimizu, Toshihisa (shimizut@tmu.ac.jp) | 1600年 / Institute of Electrical Engineers of Japan卷 / 137期
基金：
日本学术振兴会;
关键词：
Inductor; Iron loss; PWM; Three-phase inductor; Three-phase inverter;
D O I：
10.1541/ieejias.137.395
中图分类号：
学科分类号：
摘要：
The inductor losses in a three-phase AC filter inductor used in a three-phase pulse-width modulation (PWM) inverter are evaluated. First a three-phase inductor is designed to obtain the same value of inductance for each phase. Then, based on the design, a three-phase inductor that uses two magnetic materials is proposed. The conversion efficiency of a 1 kVA three-phase PWM inverter that uses the conventional and proposed AC filter inductors is simulated. Simulation results show that conversion efficiency improves. Finally, the conversion efficiency of an actual three-phase 1 kVA PWM inverter that uses the conventional and proposed AC filter inductors is measured. In the experiment, the conversion efficiency obtained for the case of the proposed inductor improves by approximately 1% at low power load as compared to the conventional inductor. Furthermore, the calculated inductor loss es are in good agreement with measured losses. Improvement in efficiency is verified trough simulations and experiments. © 2017 The Institute of Electrical Engineers of Japan.
引用
收藏
页码：395 / 405
页数：10
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