Results 231 to 240 of about 1,139 (275)

Design of LVDC Bidirectional Hybrid Circuit Breaker

open access: yes2021 IEEE Fourth International Conference on DC Microgrids (ICDCM), 2021
One of the most challenging hindrances to the spread use of the DC grids is their protection devices. Due to the absence of zero crossing, when a fault occurs, arc extinction becomes an issue for the traditional mechanical circuit breakers. Thanks to the recent advances in solid-state circuit breakers, this problem is solved because of the absence of ...
Haghnazari H., Lazzari R., Piegari L.
openaire   +3 more sources

Dual-circuit hybrid circuit breaker

open access: yes2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), 2017
A DC fault will propagate quickly in a DC grid and results in significant DC voltage drop and large current increase. To protect the DC grid from the DC faults, the concept of hybrid HVDC circuit breaker (DCCB) is widely-accepted due to its low conducting loss and fast operation speed.
Chuanyue Li, Sheng Wang, Jun Liang
openaire   +2 more sources

Hybrid DC circuit breaker with coupled inductor for automatic current commutation [PDF]

open access: yesInternational Journal of Electrical Power and Energy Systems, 2020
HVDC transmission systems using voltage source converters (VSC-HVDC) have been identified as an attractive solution for bulk power delivery over long distance. However if DC grids are to be built using this technology, fast DC circuit breakers are needed.
Xiaoze Pei   +2 more
exaly   +2 more sources

A Current-Limiting Hybrid DC Circuit Breaker

2023 3rd International Conference on Electrical Engineering and Control Science (IC2ECS), 2023
Zixiang Wang, Yifei Wu, Weibin Zhuang
exaly   +2 more sources

Experimental tests on a superconducting hybrid DC circuit breaker

open access: yes, 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 ...
Pei, Xiaoze   +3 more
core   +3 more sources

A Bipolar Hybrid Circuit Breaker for Low-Voltage DC Circuits

2021 IEEE Energy Conversion Congress and Exposition (ECCE), 2021
Presently 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
openaire   +1 more source

A Resonant Hybrid DC Circuit Breaker for Multi-Terminal HVDC Systems

open access: yesSustainability, 2020
High-voltage direct current (DC) transmission systems and multi-terminal direct current transmission systems are attracting attention for expanding the grid to promote introduction of renewable energy.
Ryo Miyara   +2 more
exaly   +2 more sources

Hybrid DC circuit breaker based on oscillation circuit

Journal of Power Electronics, 2020
With 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
openaire   +1 more source

Series Connection of Gas and Vacuum Circuit Breakers as a Hybrid Circuit Breaker in High-Voltage Applications

IEEE Transactions on Plasma Science, 2020
Possible sulfur hexafluoride (SF6) gas alternatives have been the focus of research and development in science and industry for many years. After the revision of the European F-Gas regulation 517/2014, the investigation has been even more intensified. One option for an approach for realizing an environmentally friendly switchgear for the high-voltage ...
Nicolas Gotte   +2 more
openaire   +1 more source

A hybrid circuit breaker for DC-application

2015 IEEE First International Conference on DC Microgrids (ICDCM), 2015
The 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
openaire   +1 more source

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