Investigation on Iron Loss Characteristics in Star-Connection and Delta-Connection under Three Phase PWM Inverter Excitation

被引：0
|
作者：
Odawara, Shunya [1 ]
Fujisaki, Keisuke [1 ]
Fukuhara, Shuhei [1 ]
机构：
[1] Toyota Technol Inst, Dept Engn, Tempaku Ku, Nagoya, Aichi 468, Japan
来源：
2014 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-HIROSHIMA 2014 - ECCE-ASIA) | 2014年
关键词：
Iron loss; three phase inverter; star-connection; delta-connection;
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：
An iron loss characteristic with three ring specimens connected in a star type and in a delta type on three phase inverter excitation is investigated. It is indicated that iron loss obtained from star-connection is about 14 % larger than that obtained from delta-connection. This difference is caused by potential of neutral point having the third harmonics on star-connection. Therefore, although the zero-phase current may flow, the drive of motor by delta-connection should be performed to reduce the iron loss. In star-connection, since a neutral point exists, a potential on neutral point sways by three phase inverter excitation. As a result, BH curve is expanded by this fluctuation.
引用
收藏
页码：289 / 293
页数：5
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