EN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
- 发电技术 2020年41卷第4期 页码：346-353
- 作者机构：
长沙理工大学电气与信息工程学院, 湖南省 长沙市 410004
- 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" ]
竺炜(1968), 男, 博士, 教授, 研究方向为电力系统稳定分析与控制, 本文通信作者, zhu8911@aliyun.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" ]
- 基金信息：
DOI：10.12096/j.2096-4528.pgt.19038
中图分类号： TM612收稿：2019-03-25，
纸质出版：2020-08-31
- 稿件说明：
移动端阅览
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.
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. DOI： 10.12096/j.2096-4528.pgt.19038.
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. DOI： 10.12096/j.2096-4528.pgt.19038.
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。
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.
关键词
Keywords
references
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