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Commutation Failure Mitigation Method Based on Imaginary Commutation Process
Journal of Modern Power Systems and Clean Energy, 2022 The commutation failure (CF) mitigation effectiveness is normally restricted by the delay of extinction angle (EA) measurement or the errors of existing prediction methods for EA or firing angle (FA). For this purpose, this paper proposes a CF mitigation
Renlong Zhu +6 more
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An Improved Commutation Prediction Algorithm to Mitigate Commutation Failure in High Voltage Direct Current [PDF]
Energies, 2017 Commutation failure is a common fault for line-commutated converters in the inverter. To reduce the possibility of commutation failure, many prediction algorithms based on alternating current (AC) voltage detection have already been implemented in high ...
Xinnian Li +6 more
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Commutation Failure Prediction Method Considering Commutation Voltage Distortion and DC Current Variation [PDF]
IEEE Access, 2019 Commutation failure (CF) at the inverter side is one of the most common failures in the line-commutated converter-based high voltage direct current (LCC-HVDC) system. Effective prediction of CF helps to formulate and implement protection measures timely.
Qi Wang +3 more
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Procedure analysis of UHVDC commutation failure
The Journal of Engineering, 2019 There may be a commutation failure during a fault or start-up of the UHVDC inverter side. The law of commutation failure process in UHVDC converter is studied here. First, the cause of inverter commutation failures is briefly introduced.
Chenqing Wang +4 more
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A detection method for HVDC commutation failure based on the variation rate of commutation inductance energy [PDF]
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
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Modeling of Efficient Control Strategies for LCC-HVDC Systems: A Case Study of Matiari–Lahore HVDC Power Transmission Line [PDF]
Sensors, 2022 With the recent development in power electronic devices, HVDC (High Voltage Direct Current) systems have been recognized as the most prominent solution to transmit electric power economically. Today, several HVDC projects have been implemented physically.
Adeel Ahmed +8 more
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Shanghai Jiaotong Daxue xuebao, 2022 In order to suppress subsequent commutation failures of high voltage direct current (HVDC), the dynamic process of electrical and control quantities during system recovery is studied, and the main reason for subsequent commutation failures is proposed in
CONG Xinpeng, ZHENG Xiaodong, CAO Yaqian, TAI Nengling, MIAO Yuancheng, LI Ke
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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
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Characteristics of commutation failure based on fault recording
The Journal of Engineering, 2018 Commutation failure of the high-voltage direct current (HVDC) transmission system is common fault in a converter station. The fault recording in one converter station when commutation failure caused by the disturbance of the AC system was collected, and ...
Han Zheng +6 more
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An Evaluation Method for Commutation Failure Caused by Waveform Distortion [PDF]
E3S Web of Conferences, 2021 Commutation failure is a key issue that affects the safe operation of HVDC transmission systems. Scholars at home and abroad have conducted research on the mechanism, evaluation indicators, and control strategies of commutation failure.
Zhou Hao, Su Can, Zhou Hao
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