A Novel Sub-Module-Based Line-Commutated Converter That Is Actively Resistant to Commutation Failure
ActuatorsTo improve the ability of line-commutated converters (LCCs) to resist commutation failure (CF) when a fault occurs on the AC side, a novel sub-module-based LCC topology actively resistant to CF is proposed in this paper.
Hongchun Shu, Junjie Zhang, Yaoxi Jiang
doaj +2 more sources
IET Generation, Transmission & Distribution, 2022 Concerning the insufficient accuracy of the criterion for identifying commutation failure in HVDC transmission systems, a new detection method for commutation failure based on the variation rate of commutation inductance energy is proposed.
Jing Ma, Chen Liu, Peng Cheng
doaj +1 more source
Adaptive firing angle compensation control for mitigating DC subsequent commutation failure
电力工程技术, 2022 Subsequent commutation failure of the high voltage direct current (HVDC) transmission system has a seriously negative impact on the stable operation of the AC-DC hybrid power grid.
YANG Chengxiang +5 more
doaj +1 more source
Suppression strategy for subsequent commutation failure of DC system based on improved VDCOL
电力工程技术, 2022 Aiming at the problem of subsequent commutation failure during the fault recovery period after the first commutation failure of high voltage direct current system,the recovery process is divided into the first commutation failure (stage 1),the beginning ...
CHEN Ruikang +3 more
doaj +1 more source
Research on Battery Energy Storage STATCOM Suppressing HVDC Commutation Failure
Frontiers in Energy Research, 2022 Due to the poor performance of traditional STATCOM in DC engineering, a compensation method using battery energy storage STATCOM (STATCOM/BESS) to suppress commutation failure of the weak receiving-end high voltage direct current transmission system is ...
Chao Xing +6 more
doaj +1 more source
Research on Commutation Failure in Multi-feed HVDC Transmission System
发电技术, 2020 HVDC transmission systems present a risk of commutation failure. For multi-infeed HVDC transmission systems, due to the interaction between AC and DC systems, the commutation failure of a single inverter station may cause multiple inverter stations to ...
Jiaming WANG, Hao YU, Wuhui CHEN
doaj +1 more source
A coordination control strategy to suppress commutation failure based on LCC-VSC
Energy Reports, 2021 The receiving end hybrid LCC-VSC system is a new type of hybrid DC transmission system. In order to suppress continuous commutation failure, this paper optimizes and improves the firing angle control strategy of LCC with AC fault voltage and the DC power
Jiaqi Liu +2 more
doaj +1 more source
A predictive control strategy for mitigation of commutation failure in LCC-based HVDC systems [PDF]
, 2018 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.
Booth, Campbell +5 more
core +1 more source
Hybrid HVDC for integrating wind farms with special consideration on commutation failure [PDF]
, 2015 This paper presents the control and operation of a hybrid HVDC system comprising a wind farm side VSC rectifier and a grid side LCC inverter for integrating wind power.
Finney, Stephen J. +4 more
core +1 more source
Commutation failure suppression strategy of hybrid DC transmission based on active current limiting
电力工程技术, 2022 Aiming at the problem of large inrush current when the commutation fails in the hybrid direct current (DC) transmission system,the relationship between the inrush current amplitude and the voltage source converter (VSC) is firstly derived.
MA Wenzhong +5 more
doaj +1 more source