Results 161 to 170 of about 722,410 (223)

Parametric analysis of the hybrid HVDC circuit breaker

International Journal of Electrical Power and Energy Systems, 2017
The hybrid circuit breaker design offers a fast low-loss operation that can be of paramount importance for the development of future meshed HVDC systems. This paper summarizes the main results obtained from a parametric analysis based on a simplified representation of both the circuit breaker and the test system.
Jesper Magnusson, Juan A Martinez-Velasco   +1 more
exaly   +4 more sources

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Components Sharing Based Integrated HVDC Circuit Breaker for Meshed HVDC Grids

IEEE Transactions on Power Delivery, 2020
DC fault isolation is one of the main challenges of the HVDC grid. DC fault current can be interrupted within several milliseconds by employing hybrid HVDC circuit breaker. However, this scheme is not cost-effective, especially in meshed HVDC grid.
Chun Gan
exaly   +2 more sources

Low-Cost HVdc Circuit Breaker With High Current Breaking Capability Based on IGCTs

IEEE Transactions on Power Electronics, 2021
DC circuit breaker plays an important role in the reliability of HVdc system, but the large number of expensive press-pack insulated-gate bipolar transistors (IGBTs) is used at present, which is a serious impediment to HVdc development.
Qiang Yi, Yifei Wu, Fei Yang
exaly   +2 more sources

Damping HVDC Circuit Breaker With Current Commutation and Limiting Integrated

IEEE Transactions on Industrial Electronics, 2020
The fault current limiting in high-voltage dc (HVdc) grids is critical to reducing the breaking stress of dc circuit breaker and improving the breaking reliability.
Qiang Yi, Yifei Wu, Fei Yang
exaly   +2 more sources

Development of a Novel HVdc Circuit Breaker Combining Liquid Metal Load Commutation Switch and Two-Stage Commutation Circuit

IEEE Transactions on Industrial Electronics, 2019
The emerging demand on development of high-voltage direct current (HVdc) networks brings about an increasingly urgent need for a fast and reliable HVdc circuit breaker. This paper proposes a novel topology of HVdc circuit breaker combining a liquid metal
Yifei Wu, Fei Yang
exaly   +2 more sources

Review on HVDC circuit-breaker tests

2020 4th International Conference on HVDC (HVDC), 2020
Research and development of HVDC circuit-breakers (CBs) is a spotlight as the existing and planning VSC-HVDC projects are in increasing need of HVDC CBs.
S. Jia, Qiang Tang, Zong-Qian Shi
semanticscholar   +2 more sources

An IGBT Current Boosting Method by Using Ultrahigh Driving-Voltage in HVdc Circuit Breaker Applications

IEEE transactions on power electronics, 2022
High-voltage direct current (HVdc) circuit breakers based on power electronic technology usually require a large number of insulated-gate bipolar transistors (IGBTs) to achieve large-capacity breaking.
Jing-Fang Wang, Guishu Liang, Xiang-Yu Zhang, Lei Qi, Lvyang Chen   +4 more
semanticscholar   +1 more source

A New Approach to Model Reverse Recovery Process of a Thyristor for HVdc Circuit Breaker Testing

IEEE transactions on power electronics, 2021
In the HVdc circuit breaker testing process, a thyristor is used to generate high current for the testing purpose. However, the reverse recovery process (RRP) of a thyristor can induce a significant overvoltage problem, which jeopardizes the reliable ...
Zhonghao Dongye, Lei Qi, Xiang Cui, P. Qiu, F. Lu   +4 more
semanticscholar   +1 more source

Evaluation of Electrical and Thermal Stresses in Conventional and Solid-State Fault Current Limiter-Based Hybrid HVDC Circuit Breaker

2023 IEEE International Conference on Energy Technologies for Future Grids (ETFG), 2023
This paper presents a comparative study of the electrical and thermal stresses on ABB’s conventional hybrid type HVDC circuit breaker (CH-DCCB) and a novel integrated topology of solid-state fault current limiter (SSFCL) based H-DCCB in a multi-terminal ...
S. Khalid, M. Yousaf, Min Luo, Wenhuan Wu, Sohrab Mirsaeidi, K. Muttaqi   +5 more
semanticscholar   +1 more source

Research on the Transient Interrupting Voltage of Mechanical HVDC Circuit Breaker and Its Influences on the Postarc Dielectric Recovery Process

IEEE Transactions on Plasma Science, 2022
The flexible high-voltage direct current (HVDC) power system develops quickly with the large-scale utilization of new energy and the increase of direct current (dc) loads in recent years.
Yong-Peng Mo, Yixuan Li, Zong-Qian Shi, L. Bao, S. Jia   +4 more
semanticscholar   +1 more source