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Current Limiting Solid State Circuit Breaker Based on MOSEFT and Its Over Voltage Suppression |
Lu Qiwei, Gao Zhixuan, Teng Shangfu, Lei Ting, He Bangbang |
School of Mechanical Electronic & Information Engineering China University of Mining and Technology (Beijing) Beijing 100083 China |
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Abstract Aiming at the occasions of low-voltage AC circuit, this paper theoretically analyzes the voltage across the switch and the current variation characteristics of the power MOSFET based limiting solid-state circuit breaker during the turning-off period. An over-voltage suppression circuit is proposed, and the working principle as well as the theoretical basis of the parameters selection is analyzed. Finally, the theoretical analyses are verified by the experiments, which provides a good guidance of developing current limiting solid-state circuit breaker in the low voltage AC circuit.
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Published: 16 January 2018
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Fund:国家自然科学基金面上项目资助(51577187) |
Corresponding Authors:
卢其威 男,1976年生,博士,副教授,研究方向为功率变换器、数字控制在功率变换中的应用以及电力电子在煤矿中的应用等。E-mail: lqw@cumtb.edu.cn
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