Results 1 to 10 of about 21,689 (204)

Interlink Hybrid DC Circuit Breaker [PDF]

open access: yesIEEE Transactions on Industrial Electronics, 2018
—To protect HVDC grids from DC faults, the concept of a hybrid DC circuit breaker is widely accepted due to its low conduction losses and fast interruption speed.
Chuanyue Li, Jun Liang, Sheng Wang
exaly   +5 more sources

Series LC DC circuit breaker

open access: yesHigh Voltage, 2019
The article proposes a mechanical DC circuit breaker (CB) based on a series LC circuit. It requires two switches (a fast disconnector and an AC circuit breaker), an inductor and a capacitor, and therefore the cost is expected to be low.
Dragan Jovcic
doaj   +5 more sources

Successful fault current interruption on DC circuit breaker [PDF]

open access: yesIET Power Electronics, 2016
This study focus on the interruption capability of the DC circuit breaker employing a current commutation approach and evaluates the two main factors that determine the success rate for breaker current interruption, namely the current slope di/dt before ...
Barry W Williams, Stephen J Finney
exaly   +2 more sources

Development and Application of a 10 kV Mechanical DC Circuit Breaker

open access: yesEnergies, 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
doaj   +3 more sources

A Dual-Bridge Hybrid DC Circuit Breaker [PDF]

open access: yesIECON 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
openaire   +2 more sources

A Self-commutated HVDC Circuit Breaker Based on Forced Zero Crossing Technology

open access: yesZhongguo dianli, 2021
In order to improve the breaking capacity of Hybrid DC circuit breaker and reduce the harm of DC short circuit fault to the system, we proposed a self-commutated HVDC circuit breaker based on forced zero crossing technology.
Guoqing LI   +3 more
doaj   +1 more source

Operating DC Circuit Breakers With MMC [PDF]

open access: yesIEEE Transactions on Power Delivery, 2018
High Voltage Direct Current (HVDC) grids may be protected from dc faults through the application of HVDC circuit breakers. Recent advances in dc circuit breaker technologies may allow faults in the dc grid to be cleared without a permanent loss of power to the connected ac grids.
Oliver Cwikowski   +4 more
openaire   +2 more sources

Development of four‐terminal DC circuit breaker based on commutating path multiplexing

open access: yesIET Generation, Transmission & Distribution, 2023
Multi‐terminal flexible DC power grid plays an important role in large‐scale new energy integration, which usually requires the installation of multi‐terminal DC circuit breaker (MTCB) at the intersection of multiple DC lines. At present, the research on
Zhizheng Gan   +9 more
doaj   +1 more source

The Modeling of the LC Divergence Oscillation Circuit of a Superconducting DC Circuit Breaker Using PSCAD/EMTDC

open access: yesEnergies, 2022
We proposed a superconducting DC circuit breaker that can reliably cut off the fault currents in preparation for the DC system. It consists of a superconducting element and a mechanical DC circuit breaker.
Sang-Yong Park   +3 more
doaj   +1 more source

Superconducting Interface for a DC Circuit Breaker [PDF]

open access: yes8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016), 2016
High voltage direct current (HVDC) circuit breakers are a key technology to enable fault management for multi terminal DC (MTDC) networks. DC circuit breakers using superconductors for current limiting have been proposed previously and experimentally tested at low voltage levels.
Pei, Xiaoze   +2 more
openaire   +1 more source

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