抽水蓄能发电对直流受端多态频率稳定的影响

doi:10.12096/j.2096-4528.pgt.19038

发电技术 ›› 2020, Vol. 41 ›› Issue (4): 346-353.DOI: 10.12096/j.2096-4528.pgt.19038

抽水蓄能发电对直流受端多态频率稳定的影响

王作家(),竺炜*(),程志勇()

长沙理工大学电气与信息工程学院, 湖南省长沙市 410004

收稿日期:2019-03-25 出版日期:2020-08-31 发布日期:2020-09-01
通讯作者: 竺炜
作者简介:王作家(1993),男,硕士研究生,研究方向为电力系统稳定分析与控制, 350731064@qq.com|程志勇(1994),男,硕士研究生,研究方向为电力系统稳定分析与控制, 2521606280@qq.com

Influence of Pumped Storage Power Generation on Multi-state Frequency Stability of DC Receiver

Zuojia WANG(),Wei ZHU*(),Zhiyong CHENG()

School of Electrical and Information Engineering, Changsha University of Science & Technology, Changsha 410004, Hunan Province, China

Received:2019-03-25 Published:2020-08-31 Online:2020-09-01
Contact: Wei ZHU

摘要/Abstract

摘要：

为了应对直流受端多态频率稳定问题，利用暂、动、静态频率稳定性的性能指标，即瞬间变化率的倒数、阻尼比和静态偏差量的倒数，研究了有无抽水蓄能发电时等值机惯性时间常数和静特性系数的变化；分析了抽水蓄能发电后对暂、动、静态频率稳定性的影响，得出各状态的性能指标并与之前相比较。最后，搭建模型进行仿真。通过理论分析得出，抽水蓄能发电提高了直流受端电网的暂、动和静态频率稳定性，算例仿真验证了理论分析的正确性。研究结果为抽水蓄能发电对直流受端电网多态频率稳定性的影响提供了重要的理论依据。

关键词: 抽水蓄能, 直流接入, 暂-动-静态频率稳定性, 性能指标

Abstract:

In order to deal with the problem of multi-state frequency stability at DC receiving end, this paper studied the variation of inertia time constant and static characteristic coefficient of equivalent machine with or without pumped storage power generation by using the performance indexes of transient, dynamic and static frequency stability, namely reciprocal of instantaneous change rate, damping ratio and reciprocal of static deviation. The influence of pumped storage power generation on transient, dynamic and static frequency stability was analyzed. The performance indexes of each state were obtained and compared with those before. Finally, the model was built for simulation. Through theoretical analysis, it is concluded that pumped storage power generation improves the transient, dynamic and static frequency stability of the DC receiving end power grid. The correctness of theoretical analysis was verified by numerical simulation. The research results provid an important theoretical basis for the influence of pumped storage power generation on the multi-state frequency stability of DC receiving end power grid.

Key words: pumped storage, DC access, temporary-dynamic-static frequency stability, performance index

中图分类号:

TM612

王作家,竺炜,程志勇. 抽水蓄能发电对直流受端多态频率稳定的影响[J]. 发电技术, 2020, 41(4): 346-353.

Zuojia WANG,Wei ZHU,Zhiyong CHENG. Influence of Pumped Storage Power Generation on Multi-state Frequency Stability of DC Receiver[J]. Power Generation Technology, 2020, 41(4): 346-353.

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抽水蓄能发电对直流受端多态频率稳定的影响

Influence of Pumped Storage Power Generation on Multi-state Frequency Stability of DC Receiver

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