Evaluation of Carrier-Based Modulation Techniques With Common-Mode Voltage Reduction for Neutral Point Clamped Converter

被引:29
|
作者
Tsai, Meng-Jiang [1 ]
Chen, Hsin-Chih [1 ]
Tsai, Meng-Ru [1 ]
Wang, Yao-Bang [1 ]
Cheng, Po-Tai [1 ]
机构
[1] Natl Tsing Hua Univ, Ctr Adv Power Technol, Dept Elect Engn, Hsinchu 30013, Taiwan
关键词
Common-mode voltage (CMV); neutral point clamped (NPC) converter; pulse width modulation (PWM); PWM INVERTERS; SEQUENCES; VECTOR; DRIVES; OUTPUT;
D O I
10.1109/TPEL.2017.2707583
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Common-mode voltage output is closely associated with switching states in three-phase three-wire neutral point clamped converter. Detailed analysis shows avoiding redundant states can effectively improve the common-mode voltage, so this paper proposes a pulse width modulation (PWM) technique with zero redundant state to reduce the common-mode voltage output, and evaluates their performance with the conventional PWM schemes. This paper also takes the compensation of neutral point potential deviation into consideration. Laboratory test results are presented to verify the effectiveness of the proposed scheme.
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页码:3268 / 3275
页数:8
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