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Experimental tests on a superconducting hybrid DC circuit breaker [PDF]
, 2016 Direct Current (DC) transmission systems are widely recognized offering significant potential for long distance high power delivery. DC circuit breakers are a key enabling technology for managing faults in multi-terminal DC networks (MTDC). However, DC current breaking is much more challenging than in AC systems because there is no natural zero ...
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A Current-Limiting Hybrid DC Circuit Breaker
2023 3rd International Conference on Electrical Engineering and Control Science (IC2ECS), 2023Yifei Wu
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Hybrid DC circuit breaker based on oscillation circuit
Journal of Power Electronics, 2020With the rapid development of DC transmission technology, DC circuit breakers, the key equipment for DC fault handling, have become a research hotspot of scholars. This paper proposes a novel hybrid DC circuit breaker topology to improve the shortcomings of traditional hybrid DC circuit breakers.
Yiqi Liu, Tian Xia, Deqing Li
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A Bipolar Hybrid Circuit Breaker for Low-Voltage DC Circuits
2021 IEEE Energy Conversion Congress and Exposition (ECCE), 2021Presently available dc breakers fall into three categories, mechanical, static, and hybrid dc breakers. With the advent of dc circuits, generation, and loads, dc breakers are required for system protection. This paper proposes a new alternate method to break dc currents for low-voltage applications.
Sudipta Sen +2 more
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Diode-Bridge Multiport Hybrid DC Circuit Breaker for Multiterminal DC Grids
IEEE Transactions on Industrial Electronics, 2021Hybrid dc circuit breaker (HCB) is currently the most promising dc circuit breaker. However, since it requires hundreds of semiconductor switches to withstand high transient interruption voltage, the implementation cost is high. Besides, in the multiterminal dc grid, three or more HCBs may be required at a dc bus, which worsens the disadvantages of ...
Shuo Zhang 0028 +3 more
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A hybrid circuit breaker for DC-application
2015 IEEE First International Conference on DC Microgrids (ICDCM), 2015The development of large scale DC microgrid and high voltage direct current (HVDC) power grid requires a reliable, fast and low-loss circuit breaker. In spite of the advantages of DC gird such as low loss and no reactive power, DC grid has major disadvantages concerning control and switch actions.
Yang Bingjian +5 more
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Parameter Designing of the DC Hybrid Circuit Breaker
2014 Fifth International Conference on Intelligent Systems Design and Engineering Applications, 2014This paper introduces the parameter designing of the DC hybrid circuit breaker (CB). In the CB, the current limiting circuit is designed to inhibit the increasing of fault current, the combinatorial electronic power switch is designed to reduce the series connecting number of power electronic device.
Chen Ke +4 more
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Hybrid DC Circuit Breaker Feasibility Study
IEEE Transactions on Components, Packaging and Manufacturing Technology, 2017Recently, a growing number of dc systems exist based on the development of electrical energy consumption. For low-voltage dc grids, switching devices are needed that have to meet technically sophisticated requirements. These devices have to handle fault currents of several hundred amperes and system voltages up to 1000 V.
Dirk Bösche +3 more
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Hybrid DC Molded Case Circuit Breaker Technology
2020 IEEE 66th Holm Conference on Electrical Contacts and Intensive Course (HLM), 2020The demand for DC circuit protection products continues to grow as industry sectors such as electrical vehicles, energy storage and data centers further expand. It drives the need for cost effective and compact DC circuit protection devices with higher short circuit interruption ratings. This paper presents a novel hybrid DC molded case circuit breaker
Xin Zhou +3 more
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A novel hybrid DC circuit breaker for nodes in multi-terminal DC system
IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, 2017DC fault protection is one of the biggest challenge to multi-terminal direct current (MTDC) systems, because DC current has no natural zero crossing point. To overcome this problem, hybrid DC circuit breaker (DCCB), which serves as a promising solution to the isolation of DC faults, has been developed.
Tianyu Wei +6 more
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