A New Method for Balancing a Three-phase Induction Motor Supplied by a Single-phase Source

被引：0

作者：

Wang, Yaw-Juen ^{[1
]}

Zhou, Hong-Cheng ^{[1
]}

机构：

[1] Natl Yunlin Univ Sci & Technol, Dept Elect Engn, 123 Sect 3 Univ Rd, Touliu 64002, Yunlin, Taiwan

来源：

2011 INTERNATIONAL CONFERENCE AND UTILITY EXHIBITION ON POWER AND ENERGY SYSTEMS: ISSUES & PROSPECTS FOR ASIA (ICUE) | 2011年

关键词：

Induction Motors; Steinmetz Connection; Voltage Unbalance; SYSTEM;

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：

A three-phase induction motor (1M) powered by a single-phase supply is working under a very unbalanced condition, necessitating it to be derated to avoid overheating. To improve the performance of single-phase powered IMs, a new circuit scheme is proposed in this paper. The proposed circuit scheme is inspired by the traditional Steinmetz connection which employs a capacitor to connect the motor's third terminal to either of the two terminals of the single-phase source supplying the motor. The proposed scheme uses two sets of static var compensators (SVCs), a parallel combination of a thyristorcontrolled reactor and a capacitor, as a phase balancer. By properly choosing the element values of the two SVCs, this new scheme allows the motor to operate under a perfect balanced three-phase voltage condition.

引用

页数：7

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