Analysis of the Effect of an AC Three-phase Fault on the Commutation Failure of DC Transmission System. Issue 1 (November 2020)

• Record Type: Journal Article
• Authors: Yun, Yuxin; Li, Xing; Zhao, Xiaoxiao
• Is Part Of: IOP conference series. Volume 571:Issue 1(2020)
• Publication Date: 2020-11
• Subjects: Earth sciences -- Periodicals; Environmental sciences -- Congresses; Environmental sciences -- Periodicals; 550.5
• DOI: 10.1088/1755-1315/571/1/012004
• Languages: English
• ISSNs: 1755-1307

Abstract

Abstract: In AC/DC interconnected systems, the commutation failure of the DC system caused by the AC-side fault is one of the common faults of the inverter. According to the actual engineering parameters, a detailed model of ±660kV Yindong DC transmission project was built using PSCAD/EMTDC simulation tools, and at the same time, an equivalent model of Shandong power grid on the inverter side was also established using physical equivalence-based equivalent methods. On this basis, a simulation analysis was made on the operation of the Yindong DC system when there was a three-phase symmetrical fault in the AC system, providing a reliable reference for the safe and stable operation of the Yindong DC transmission system and other HVDC transmission projects.