A novel protection and control strategy for high-voltage power frequency control system

被引：0
|
作者：
Xiong Qing [1 ]
Zhang Zhe [1 ]
Yin Xianggen [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Elect Power Secur & High Efficient Lab, Wuhan 430074, Hubei, Peoples R China
来源：
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY | 2011年 / 42卷 / 04期
关键词：
high-voltage power frequency system; microprocessor protection; neutral point clamp; three level; PWM pulse blocking;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The complicated structure and high power density make the protection and control of high voltage power frequency control system difficult. This paper proposed the novel protection and control strategy covered different parts of the system. Taking advantage of microprocessor protection system realised the system-level protection covered the fault of rectifier input, DC link, inverter output and even the induction motor. Improve the main circuit to strengthen security and stability in device level. The paper also analysed the cooperation of the protective trip and PWM pulse blocking and validated the feasibility of dual breaker setting to restrain feedback energy.
引用
收藏
页码：285 / 293
页数：9
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