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Investigation of distribution system modification using operation voltage unification in order to decrease interruptions in dust climate. [PDF]

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Norouzi H, Golchoob Firoozjaee M, Rezaei M.   +2 more
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Research on effect of circuit parameters on breaking characteristics of mechanical DC circuit breaker

Electric Power Systems Research, 2020
Abstract Whether fault current can be broken quickly and reliably depends on dynamic characteristics of LC resonant commutation branch of mechanical DC circuit breaker.Thereby, the breaking characteristics of mechanical DC circuit breaker based on LC resonant commutation are studied in this paper. The topological structure and action time sequence of
Lu Qu, Zhanqing Yu
exaly   +3 more sources

A Magnetic Coupling Mechanical DC Circuit Breaker

2024 IEEE International Conference on DC Technologies and Systems (DCTS)
The modern DC distribution system has become a key component of the new power system, and DC circuit breakers are the key to cutting off fault currents and ensuring stable system operation.
Wenkui Liu, Yaopeng Lu, Hang Zhou, Jingxia Huang, Xiaomin Zhao, Hang Zhang, Xiao Li   +6 more
openaire   +2 more sources

A Double Frequency Commutation Mechanical DC Circuit Breaker

2025 9th International Conference on Green Energy and Applications (ICGEA)
In this paper, a double frequency commutation mechanical DC circuit breaker (DFC-MDCCB) was proposed. The working principle of DFC-MDCCB was analyzed and the simulation of interrupting process was conducted.
Liming Liu, Shan Liu, Yonghui Zhao, Bi He, Baiyang Wang, Chengxian Li   +5 more
openaire   +2 more sources

A novel hybrid DC circuit breaker based on double mechanical switch

IET Conference Proceedings, 2022
C. Ding, L. Liu, E. Yu, P. Qiu, F. Xu, Y. Lu   +5 more
exaly   +3 more sources

Development and Testing of EHV Mechanical DC Circuit Breaker

2019 5th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST), 2019
The paper presents recent development progress of a mechanical EHV DC circuit breaker with current injection scheme. An EHV level DC circuit breaker composes of multi-break HV vacuum interrupters, a current injection circuit and a metal oxide surge arrester (MOSA) energy absorption unit.
Sho Tokoyoda, Takashi Inagaki, Hitoshi Sadakuni, Tadao Minagawa, Daisuke Yoshida, Hiroki Ito   +5 more
openaire   +2 more sources

Interruption Characteristics of Hybrid DC Circuit Breaker Based on Intelligent Mechanical Branch

2023 5th International Conference on Power and Energy Technology (ICPET), 2023
In response to the increase in voltage level (>1500V) in photovoltaic power systems, a self-triggering hybrid DC circuit breaker is proposed to accommodate the fault interruption at higher voltage level.
Jianning Yin, Xiaojian Lang, Shuhua Liang, Wei Zhang, Jiandong Duan   +4 more
openaire   +2 more sources

Study on coordination of Coupling mechanical DC circuit breaker and fault current limiter

2021 13th IEEE PES Asia Pacific Power & Energy Engineering Conference (APPEEC), 2021
Aiming at the problems of high amplitude, fast rising speed and difficult fault clearing of DC side fault current in multi-terminal flexible DC transmission system with modular multilevel (MMC-MTDC), a strategy of cooperative coordination of resistive ...
Jiazhu Xu, Qike Wang, Xiangjun Zeng
openaire   +2 more sources

Adaptive reclosing strategy for the mechanical DC circuit breaker in VSC-HVDC grid

Electric Power Systems Research, 2021
Abstract The overhead line has wide application prospect in the future VSC HVDC grid. However, compared with the dc cable, the fault probability (especially the nonpermanent fault), is much higher on the overhead line. To enhance the system power supply reliability, effective reclosing strategy must be configured for the DCCBs. The existing automatic
Bin Li, Qiyang Mao, Jiawei He, Ye Li, Tonghua Wu, Wei Dai, Xindong Li, Qingyuan Yu   +7 more
openaire   +2 more sources

Development and Testing of a 10-kA Hybrid Mechanical–Static DC Circuit Breaker

IEEE Transactions on Applied Superconductivity, 2011
This paper presents the development and testing of the prototype of a hybrid mechanical-static dc circuit breaker (CB) for quench protection of superconducting magnets based on a mechanical switch paralleled to a static CB. In normal operation, the mechanical switch is closed and it handles the continuous flow of dc current, minimizing the on-state ...
Alberto Ferro, Alberto Maistrello, Elena Gaio   +2 more
exaly   +4 more sources