Carrier Multi-Modulation Used for the Common-Mode Voltage Suppression in a Three-Phase Inverter

被引:0
|
作者
Huang, Jin [1 ]
Shi, Haixia [2 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, Wuhan, Peoples R China
[2] Wuhan Text Univ, Wuhan, Peoples R China
关键词
carrier peak position modulation; carrier frequency modulation; common-mode voltage; harmonics; sinusoidal pulse width modulation; POWER CONVERTERS; EMI SUPPRESSION; MOTOR-DRIVES; REDUCTION; PWM;
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
The output common-mode (CM) voltage will bring many negative effects in a three-phase inverter, which is controlled by the sinusoidal pulse width modulation (SPWM) method. The carrier multi-modulation (CMM) scheme, which is composed of the carrier peak position modulation (CPPM) technology and the carrier 2-frequency-modulation (C2FM) technology, is presented to suppress the CM voltage (CMV) in this paper. By using the CPPM strategy of CMM, the CM peak voltage is reduced in the time domain. By using the C2FM strategy of CMM, in which the carrier-frequency is modulated twice, the peak harmonics of the CMV are lowered optimally in the frequency domain. The feasibility and validity of the CMM scheme are proved by experiment results in a three-phase inverter.
引用
收藏
页码:2084 / 2090
页数:7
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