Numerical Analysis, Experimental Validation, and Application of DC Interruption With Parallel Vacuum Interrupters

IF 1.9 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC International Transactions on Electrical Energy Systems Pub Date : 2025-02-10 DOI:10.1155/etep/4779710

Siyuan Liu, Yifan Chen, Jinchao Chen, Mengze Yu, Zhiyuan Liu, Yingsan Geng

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Abstract

Large-capacity high voltage direct current circuit breakers (HVDC CBs) are critical equipment for achieving reliable operation of future multiterminal HVDC systems. The objective of this paper is to investigate the interruption characteristics of DCCB with parallel vacuum interrupters. In this paper, the proposed vacuum interrupter is modeled in detail and simulated in the PSCAD environment by taking into account the positive volt-ampere characteristics of the vacuum arc, the current transfer characteristics, and the current sharing characteristics between parallel vacuum interrupters. Then, the vacuum interrupter model is validated by experimental results. The performance of two types of large-capacity multimodule DCCBs is compared regarding operating reliability and actuator decentralization. Meanwhile, the current stress on the VSC branch and the DC interruption characteristics are analyzed. The comparison results show that the 6-module DCCB with series followed by parallel structure is more suitable for high voltage and large-capacity systems. In ±160 kV 4-terminal flexible DC grid, two typical DC fault interruption characteristics of the 6-module DCCB with series followed by parallel structure are simulated and analyzed. The results validate that the multimodule DCCB with series followed by parallel structure has better DC fault interruption performance in multiterminal HVDC systems.

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来源期刊

International Transactions on Electrical Energy Systems ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

6.70

自引率

8.70%

发文量

342

期刊介绍： International Transactions on Electrical Energy Systems publishes original research results on key advances in the generation, transmission, and distribution of electrical energy systems. Of particular interest are submissions concerning the modeling, analysis, optimization and control of advanced electric power systems. Manuscripts on topics of economics, finance, policies, insulation materials, low-voltage power electronics, plasmas, and magnetics will generally not be considered for review.