Results 221 to 230 of about 10,338 (273)

Fault isolation characteristics of the hybrid DC circuit breaker

2017 IEEE Conference on Energy Internet and Energy System Integration (EI2), 2017
The topologies and operation principles of the hybrid Direct Current Circuit Breaker (DCCB) are present in this paper. The equivalent circuits of the hybrid DCCB in different period of the current breaking process are obtained. Then the fault current path of DC double pole short-circuit fault, monopole grounding fault, single phase to ground fault and ...
Bingjian Yang, Zhiyuan He, Haoyu Ma, Huafeng Wang, Yi Lu, Peng Qiu, Pengxiang Huang   +6 more
openaire   +1 more source

Modeling and Experiments of a Nonlinear Inductor-Based Fault Current Commutation Strategy for a Hybrid Dc Circuit Breaker

Applied Power Electronics Conference
A medium voltage dc power system is a promising solution for a range of applications; however, it still suffers from challenges with short-circuit fault management. A hybrid dc circuit breaker with a piezoelectric actuated fast mechanical switch has been
Qichen Yang, M. Steurer, Sihun Song, Matthew Pickles, John Hauer, M. Bosworth, Nash Bonaventura, Yuchen He, Michael Coleman, K. Schoder, Yanjun Shi, Lukas Graber   +11 more
semanticscholar   +1 more source

A Novel Hybrid DC Circuit Breaker Topology with Current Limiting Capability and Rapid Fault Isolation Time

2024 IEEE 7th International Electrical and Energy Conference (CIEEC)
When fault currents in Modular Multilevel Converter High Voltage Direct Current (MMC-HVDC) transmission systems rise too rapid, the DC circuit breakers (DCCBs) often have insufficient capacity.
Laicheng Yin, Jiayi Liu, Yucheng Wu, Wei Liu, Zhaobo, Yiqi Liu   +5 more
semanticscholar   +1 more source

Bridge-Type Hybrid DC Circuit Breaker With Multiple Ports for Multiterminal Flexible DC Grid

2024 7th International Conference on Energy, Electrical and Power Engineering (CEEPE)
The hybrid DC circuit breaker is an ideal way to selectively and quickly isolate DC line faults in flexible DC grids. However, under the current technical conditions, the cost of hybrid DC circuit breakers is extremely high, and it is difficult to meet ...
Shuo Zhang, Guibin Zou, Chengquan Zhang, Xuhui Wen   +3 more
semanticscholar   +1 more source

Improved Multiport Hybrid DC Circuit Breaker for Multiple Fault Isolation in Multi-Terminal DC Grid

2024 7th International Conference on Energy, Electrical and Power Engineering (CEEPE)
The multiport DC circuit breaker has the advantages of low implementation cost and fast action speed, which is an ideal way to isolate the DC line fault in multiterminal DC grids. However, in extreme cases, multiple faults may occur in the multi-terminal
Shuo Zhang, Guibin Zou, Chengquan Zhang, Xuhui Wen   +3 more
semanticscholar   +1 more source

Arc-less commutation in hybrid DC circuit breaker

2016 IEEE International Conference on Plasma Science (ICOPS), 2016
DC circuit breaker (DCCB) has been intensively studied due to increasing demand in DC power transmission, such as mega solar power plants and large wind farms. A hybrid DC circuit breaker which consists of electrical contacts, semiconductor devices and a metal-oxide element (varistor) is a promising device to provide a small contact resistance and a ...
Koichi Yasuoka, Kei Ikeda, Yoshiki Tsuboi, Tatsuya Hayakawa, Nozomi Takeuchi   +4 more
openaire   +1 more source

Bipolar Hybrid DC Circuit Breaker with Surge Arresting Mechanisms on Source and Load Sides

2024 IEEE Texas Power and Energy Conference (TPEC)
With the deployment of DC power systems, DC circuit breakers are gaining attention in DC system protection as well as load and circuit operation. Different types of DC breakers are utilized and include static, mechanical, and hybrid DC breakers.
M. Moghbeli, S. Mehraeen, David Rush
semanticscholar   +1 more source

Development of a new hybrid DC circuit breaker

IET Conference Proceedings, 2022
W. Xie, B. Xie, W. Li, Z. Song, Y. Wu, Z. Li   +5 more
openaire   +1 more source

Multi-Port Hybrid DC Circuit Breaker for DC Distribution Network

2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP), 2019
The two-port hybrid DC circuit breaker (TP-HCB) combines the advantages of mechanical DC circuit breaker (DCCB) and solid-state DCCB, which has small loss during normal operation and fast action speed. However, the TP-HCB contains many IGBTs to withstand transient breaking voltage, therefore the total cost of TP-HCB is relatively high.
Shuo Zhang, Guibin Zou, Chenjun Sun, Xiaogong Du   +3 more
openaire   +1 more source

Hybrid DC Circuit Breaker Based on Liquid Metal Current Limiter

2024 3rd Asia Power and Electrical Technology Conference (APET)
With the development of new power systems centered on renewable energy, the installed capacity of photovoltaic power generation has been greatly increased, resulting in an increase in DC voltage (>DC1500V). In order to improve the breaking capacity of DC
Jianning Yin, Jingjing Huang, Xiaojian Lang, Yaobo Guo   +3 more
semanticscholar   +1 more source