Results 21 to 30 of about 200 (126)
Modelling of Resistive Type Superconducting Fault Current Limiter for HVDC Grids
The protection of high voltage direct current (HVDC) grids is a challenge considering that the protection system must detect, locate, and interrupt large fault currents in a few milliseconds. Resistive type superconducting fault current limiters (R-SFCL)
Guillermo García +2 more
doaj +1 more source
The high‐voltage direct current (HVDC) power transmission short‐circuit fault protection is a big challenge, and it is the main obstacle to promote the HVDC multi‐terminal networks.
Xiong Zhang, Chaoran Zhuo, Xu Yang
doaj +1 more source
When the direct current circuit breaker (DCCB) fails to operate, the fault range will further expand, endangering the safe operation of the power gird.
Andi Li +4 more
doaj +1 more source
Fault Interruption Scheme for HVDC System Using SiC-MESFET and VCB Based Hybrid Circuit Breaker
As high voltage DC power system is gaining popularity, power electronic switching devices are becoming increasingly advanced to overcome problems of timely fault isolation.
Waheed A. Khan +6 more
doaj +1 more source
Research on a Novel DC Circuit Breaker Based on Artificial Current Zero-Crossing
Modular multilevel converter-based high voltage direct-current (MMC-HVDC) transmission has developed rapidly because of its flexibility, reliability and efficiency.
Shangfu Teng, Zhifeng Zhang, Liye Xiao
doaj +1 more source
A bipolar short‐circuit transient fault identification method for overhead transmission lines in modular multi‐level converter‐based high voltage direct current (MMC‐HVDC) grid based on the hybrid HVDC breaker is proposed.
Botong Li +5 more
doaj +1 more source
Current Limiting Hybrid High Voltage DC Circuit Breaker With Reclosing Function Limiting
DC circuit breaker is the core equipment for the safe operation of DC transmission system. A current limiting hybrid HVDC circuit breaker topology with reclosing function is proposed in this paper.
Baoge Zhang +4 more
doaj +1 more source
Controllable reactor based hybrid HVDC breaker
Short circuit fault occurrence in high-voltage DC (HVDC) systems causes extremely high currents in a fast raising time that does not experience current zero-crossing.
Amir Heidary +4 more
doaj +1 more source
Synthetic test circuit with two‐level voltage source for HVDC circuit breakers
In order to ensure the reliable interruption of high voltage direct current circuit breaker (HVDC CB), the breaking test of HVDC CB plays an important role in its performance verification.
Shixin Xiu +6 more
doaj +1 more source
Key stress extraction and equivalent test method for hybrid DC circuit breaker
Firstly, relevant stress properties of millisecond level breaking process and microsecond level commutation process of hybrid HVDC circuit breaker are studied in detail on the basis of the analysis for the application environment and topological ...
Chong Gao +4 more
doaj +1 more source

