Hybrid Z-Source Circuit Breaker with Thomson Coil for MVDC [PDF]
Energies, 2023 Hybrid circuit breakers are the most promising circuit breakers among DC circuit breakers. Conventional hybrid circuit breakers complete fault current isolation by converting current to IGBT when fault current occurs.
Hyun-Seung Lee +3 more
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Key stress extraction and equivalent test method for hybrid DC circuit breaker [PDF]
Global Energy Interconnection, 2018 Firstly, relevant stress properties of millisecond level breaking process and microsecond level commutation process of hybrid HVDC circuit breaker are studied in detail on the basis of the analysis for the application environment and topological ...
Chong Gao +4 more
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A Dual-Bridge Hybrid DC Circuit Breaker [PDF]
IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 2021 Various DC circuit breakers (DCCBs) have been widely proposed for the DC fault protection of high-voltage direct-current (HVDC) grids. In recent years, hybrid DCCBs (HCBs) have been paid significant attentions due to their features of low power losses and fast dynamic response.
Hanwen Zhang 0005 +4 more
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Research on topological structure and simulation of hybrid DC circuit breaker [PDF]
The Journal of Engineering, 2019 At present, the hybrid DC circuit breaker (ABB company's Hybrid DC circuit breaker as the representative scheme) must be equipped with the radiator because of a long-time current passing through the power electronic devices in the load-control-switch ...
Chu Zhuang +3 more
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Simulation study of integrated‐gate‐commutated‐thyristor based superconducting hybrid direct current circuit breaker [PDF]
High Voltage, 2023 With the development of a distributed generation, direct current (DC) load and energy‐storage equipment, voltage‐source‐converter‐based medium‐voltage DC systems (VSC‐MVDC) have attracted more attention due to its low power consumption, high reliability,
Muhammad Junaid +6 more
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Impact on Current-Interrupting Characteristic by Parameter Settings of Superconducting Hybrid DC Circuit Breaker [PDF]
Energies, 2021 DC faults cause severe disruption in not only the DC system but also the AC system because the fault current is very large and rapidly increases. The DC circuit breaker used to separate the DC faults from the power system is still being researched, but ...
Sang-Jae Choi, Sung-Hun Lim
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Hybrid HVDC circuit breaker with self‐powered gate drives [PDF]
IET Power Electronics, 2016 The ever increasing electric power demand and the advent of renewable energy sources have revived the interest in high‐voltage direct current (HVDC) multi‐terminal networks. However, the absence of a suitable circuit breaker (CB) or fault tolerant voltage source converter station topologies with the required characteristics (such as operating speed ...
Effah, Francis Boafo +6 more
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Interruption characteristic of self-triggering low voltage hybrid DC circuit breaker with non-polarized bidirectional breaking [PDF]
International Journal of Electrical Power & Energy SystemsThe global new photovoltaic installed capacity reached 345.5GW in 2023. As the installed capacity of photovoltaic power generation systems increases worldwide, there is a growing demand for circuit breakers to withstand higher voltages on the DC side of ...
Jianning Yin +3 more
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Development and Application of a 10 kV Mechanical DC Circuit Breaker [PDF]
Energies, 2019 A DC circuit breaker is piece of core equipment for DC grid construction and can achieve fast isolation of DC faults in the grid. In this paper, based on the fault characteristics and protection requirements of an AC/DC hybrid distribution network, the ...
Lu Qu +5 more
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A Hybrid DC Circuit Breaker with Fault-Current-Limiting Capability for VSC-HVDC Transmission System [PDF]
Energies, 2019 The direct current circuit breakers are considered a promising option to protect the transmission line against commonly appearing line-to-ground fault.
Muhammad Ahmad, Zhixin Wang
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