分址建设直流输电系统拓扑方案与运行特性研究

doi:10.19595/j.cnki.1000-6753.tces.221374

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Abstract

Aiming at the large-scale cross-regional transmission of renewable energy in the western region of China, a site-division construction of the UHVDC transmission system suitable for the integration of renewable energy bases in different locations was proposed. Firstly, the topology and control methods of the system under two feasible schemes of LCC-HVDC and MMC-HVDC were introduced. Considering the influence of grid’s strength and geographic distance on the system in the site-division construction scenario, the transient response and fault ride-through scheme of the system under AC and DC faults were researched. Then, according to the transient and steady-state operation characteristics of the two schemes, the schemes were compared from the economic and technical aspects. The improvement measures and recommended schemes were given. Finally, the site-division construction HVDC system was built in PSCAD/EMTDC, and the operation characteristics of the system under the transient and steady state were verified.

Key words： Renewable energy site-division construction HVDC transmission AC and DC fault ride-through

Received: 16 July 2022

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TM721

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	Articles by authors
	Meng Peiyu
	Xiang Wang
	Pan Ersheng
	Zhao Zheng
	Li Tan
	Wen Jinyu

Cite this article:

Meng Peiyu,Xiang Wang,Pan Ersheng等. Research on Topology and Operation Characteristics of HVDC Transmission System Based on Site-Division Construction[J]. Transactions of China Electrotechnical Society, 2022, 37(19): 4808-4822.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.221374 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I19/4808

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