A new modulation for three-phase current source converter

被引：0
|
作者：
Teng, Yiyina [1 ]
Guo, Xiaoqiang [1 ]
Wei, Yupeng [1 ]
He, Meiling [1 ]
Wang, Baocheng [1 ]
机构：
[1] Yanshan Univ, Key Lab Power Elect Energy Conservat & Motor Dr He, Dept Elect Engn, Qinhuangdao 066004, Peoples R China
来源：
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 2024年
关键词：
current source converter; carrier-based modulation; pulse width modulation; STRATEGIES;
D O I：
10.1002/cta.4239
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：
This brief proposes an improved pulse width modulation (PWM) scheme, which uses diode voltage clamping characteristics to achieve the direct control of three-phase current source converter without any logical transformation. Compared with the traditional indirect carrier modulation scheme-mapping-PWM, the proposed scheme can solve the disadvantages of low DC current utilization, high switching loss, and complex control process. The generation mechanism of IPWM is analyzed in this brief. Then, based on the generation mechanism, the output characteristics of the system under IPWM are analyzed and compared with the traditional modulation scheme. Finally, the experimental results verify the effectiveness the proposed modulation scheme. This brief proposes an improved pulse width modulation scheme, which uses diode voltage clamping characteristics to achieve the direct control of three-phase current source converter without any logical transformation. image
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页数：10
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