Quantitative Evaluation Method and Application Scheme of 500 kV UPFC Applicable Scene

doi:10.11930/j.issn.1004-9649.201809038

Abstract

Abstract: In order to solve the problem of UPFC installation location selection at UHV level in actual grid planning, this paper first summarizes UPFC's configuration principle based on existing engineering experience. After the concept of UPFC "unit capacity control proportionality coefficient" is studied, that is, the ratio of UPFC's control effect to its own capacity. According to the reliability cost/benefit analysis, unit capacity control proportionality coefficient is standardized. Then, we derive the priority expression of UPFC points at the technical level, at the same time, the flow chart of the location selection method is given. Finally, the UPFC system-level control strategy is proposed for different application scenarios. In the study of the application, using 2~3 year rolling calculation data, 12 UPFC installation sites are selected in the whole country. Through simulation analysis and priority calculation, it is found that UPFC has good regulation ability at two locations of Jinjiang direct current arrival point and two sites of Jiangnan-Jiangbei section of eastern Hubei Province. The method proposed in this paper is feasible with certain guiding significance for the UPFC layout screening and demonstration project implementation on UHV level.

Key words: unified power flow controller (UPFC), unit capacity control proportionality coefficient, UHV power grid, evaluation method, system-level control strategy

CLC Number:

TM744

SHEN Xuhui, LIU Jiankun, GAO Wenman, ZHANG Xin, ZHOU Qian. Quantitative Evaluation Method and Application Scheme of 500 kV UPFC Applicable Scene[J]. Electric Power, 2019, 52(10): 65-71,78.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201809038

https://www.electricpower.com.cn/EN/Y2019/V52/I10/65

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