Research on Dynamic Reactive Power Compensation Scheme for Inhibiting Subsequent Commutation Failure of MIDC

Yifan Zhang, Fei Tang, Fanghua Qin, Yu Li, Xin Gao and Nianchun Du
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Yifan Zhang: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Fei Tang: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Fanghua Qin: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Yu Li: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Xin Gao: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Nianchun Du: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China

Sustainability, 2021, vol. 13, issue 14, 1-16

Abstract: 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 into more severe subsequent commutation failures or even DC blocking, which will severely threaten the security and stability of the system. Dynamic reactive power compensation equipment (DRPCE) can offer voltage support during accident recovery, stabilize voltage fluctuation and inhibit any subsequent commutation failure risk. This paper proposes the optimal DRPCE configuration scheme for maximizing both inhibitory effect and economic performance. The simulation results on MATLAB-BPA prove the scheme’s correctness and rationality, which can effectively inhibit the risk of subsequent commutation failure and obtain economic benefits.

Keywords: MIDC; subsequent commutation failure; DRPCE; optimal configuration scheme (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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