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An Efficient and Reliable Solid-State Circuit Breaker Based on Mixture Device
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DOI：10.1109/TPEL.2021.3067316.png)
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摘要
En 中文
In this letter, a novel solid-state circuit breaker (SSCB) based on mixture device (MD-SSCB) is proposed for dc distribution systems. The proposed MD-SSCB can actively interrupt faults without introducing additional thyristor, charging power supply, and charging strategies. Besides, the interruption capability of the MD-SSCB is not affected by the parameters of the outer circuit. As a result, the MD-SSCB has advantages of compact structure, economic design, high efficiency, and high reliability. Moreover, the MD-SSCB can turn off its thyristors without reverse voltage stress, which eliminates the severe reverse overvoltage problem in the fault-interrupting process, and hence further enhances the reliability of the breaker. Detailed operation principle and design guidelines of the MD-SSCB are discussed through mathematical modeling. The feasibility of the proposed breaker is validated by experimental results.
Keyword:
Thyristors
Insulated gate bipolar transistors
Reliability
Circuit faults
Topology
Voltage control
Power system reliability
DC circuit breaker
power system protection
solid-state circuit design
thyristor
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期刊
IF:
6.5
论文数:
1.7W
被引数:
8.3W
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