Results 31 to 40 of about 1,709,387 (277)
Influence of single-phase circuit breaker tripping on inverter commutation
电力工程技术, 2022 If commutation failure does not occur when single-phase high resistance grounded in single-circuit AC line of inverter,then single-phase circuit breaker tripping may lead to commutation failure.
SONG Xinfu +4 more
doaj +1 more source
A predictive control strategy for mitigation of commutation failure in LCC-based HVDC systems [PDF]
, 2019 High-voltage direct-current (HVDC) systems are being widely employed in various applications because of their numerous advantages such as bulk power transmission, efficient long-distance transmission, and flexible power-flow control.
Mat Said, Dalila +5 more
core +5 more sources
Criterion of single-phase fault nature of AC line considering the influence of commutation failure
电力工程技术, 2022 The amplitude of AC line current at the inverter side is affected by DC commutation failure and fluctuates for a short time after single-phase trip.The fluctuation range increases with the increase of the number of DC commutation failures,resulting in ...
LI Fengting +4 more
doaj +1 more source
Research on commutation failure of Jinsu DC transmission project caused by a complex AC fault
The Journal of Engineering, 2019 Commutation failure is an important factor on safe and stable operation of the receiving-end power grid for high voltage direct current (HVDC) project. A commutation failure event in Jinsu DC transmission project caused by a complex AC failure was taken ...
Wei Peng +3 more
doaj +1 more source
The Journal of Engineering, 2018 Commutation failure caused by the fault of AC system at inverter side seriously affects the safety and stability of high-voltage direct current (HVDC) system.
Jinzhao Song +3 more
doaj +1 more source
Continuous commutation failure suppression strategy in hybrid multi-infeed HVDC transmission system
电力工程技术, 2022 For the wide application of high voltage direct current (HVDC) transmission engineering,the continuous commutation failure of line commutated converter HVDC (LCC-HVDC) has a seriously negative impact on the stable operation of the power system. Therefore,
ZHONG Mingming +4 more
doaj +1 more source
Arc root commutation from moving contacts in low voltage devices [PDF]
, 2000 This paper focus on the arc commutation from a moving contact and in particular on the anode motion of a high current arc in low voltage current limiting circuit breakers.
Weaver, P.M. +5 more
core +1 more source
Quantitative Assessment for Commutation Security Based on Extinction Angle Trajectory
Journal of Modern Power Systems and Clean Energy, 2021 In order to reduce the risk of commutation failure (CF) in the AC/DC hybrid power system, the quantitative analysis on CF is required for on-line assessment and optimal control.
Qi Tao, Yusheng Xue
doaj +1 more source
International Journal of Electrical Power & Energy SystemsIn view of the problem of successive commutation failure in multi-infeed direct current systems, this paper investigates the commutation characteristics of hybrid commutation convert technology and its application in mitigating successive commutation ...
Jian Cui +7 more
doaj +1 more source
, 2021 Commutation failure at the inverter side of an MIDC (multi-infeed HVDC) is usually caused by AC system faults. Suppose the converter bus voltage cannot recover to the normal operation level in time: in that case, the commutation failure will then develop
Fei Tang +5 more
core +1 more source