Enhancement on Capacitor-Voltage-Balancing Capability of a Modular Multilevel Cascade Inverter for Medium-Voltage Synchronous-Motor Drives

被引：0

作者：

Okazaki, Yuhei ^{[1
]}

Matsui, Hitoshi ^{[1
]}

Muhoro, Mbugua Moses ^{[1
]}

Hagiwara, Makoto ^{[1
]}

Akagi, Hirofumi ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Elect & Elect Engn, 2-12-1 Ohokayama, Tokyo 152, Japan

来源：

2015 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2015年

关键词：

Medium-voltage power converter; multilevel inverters; synchronous-motor drives; voltage balancing; CONVERTER; PERFORMANCE; OPERATION;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper discusses both dc-voltage balancing and ac-voltage minimizing of all the floating capacitors in a modular multilevel cascade inverter (MMCI-DSCC) intended for medium voltage high-power synchronous-motor drives. It presents theoretical and numerical design considerations on both amplitude and phase of three-phase motor currents. A three-phase DSCC inverter with phase-shifted-carrier pulsewidth modulation (PWM) is designed and constructed to drive a 370-V, 15-kW, 75-Hz, six pole, interior-permanent-magnet synchronous motor loaded with a hypothetical centrifugal compressor. Experimental results show satisfactory performance in dc-voltage balancing and ac-voltage minimizing of all the capacitors.

引用

页码：6352 / 6359

页数：8

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