计及惯量影响的电力系统分布式频率控制策略

doi:10.16628/j.cnki.2095-8188.2023.03.003

电器与能效管理技术 ›› 2023, Vol. 0 ›› Issue (3): 16-21.doi: 10.16628/j.cnki.2095-8188.2023.03.003

计及惯量影响的电力系统分布式频率控制策略

朱琛¹^,², 郑峻峰², 方兴², 付翔², 陈柏沅², 张阳², 黄际元²

1.长沙电力设计院有限公司, 湖南长沙 410000
2.国网湖南省电力有限公司长沙供电分公司, 湖南长沙 410000

收稿日期:2022-12-22 出版日期:2023-03-30 发布日期:2023-04-11
作者简介:朱琛(1979—),男,高级工程师,主要从事电网规划、电力设计管理工作。|郑峻峰(1973—),男,高级工程师,主要从事电网规划、数字化管理工作。|方兴(1975—),男,高级工程师,主要从事电网规划、新能源工作。
基金资助:
^*国网湖南省电力有限公司科技项目(5216A12101YJ)

Distributed Frequency Control Strategy for Power Systems Considering Influence of Inertia

ZHU Chen¹^,², ZHENG Junfeng², FANG Xing², FU Xiang², CHEN Baiyuan², ZHANG Yang², HUANG Jiyuan²

1. Changsha Electric Power Design Institute Co.,Ltd., Changsha 410000, China
2. Changsha Power Supply Branch,State Grid Hunan Electric Power Co.,Ltd., Changsha 410000, China

Received:2022-12-22 Online:2023-03-30 Published:2023-04-11

摘要/Abstract

摘要：

随着新能源的快速发展,以风电为代表的新能源规模化并网使得电力系统呈现低惯量特性。目前主要以虚拟惯量控制提高低惯量系统频率支撑能力,但其会改变系统等效惯量水平从而干扰调频过程。针对上述问题,提出了一种计及惯量影响的分布式频率控制策略。引入虚拟惯量控制器补偿预测输出模型,并设计分布式模型预测频率控制器。仿真表明,所提控制策略可有效提高系统频率控制效果,同时能在一定程度上抑制风电机组过度参与调频。

关键词: 频率控制, 模型预测控制, 虚拟惯量控制, 低惯量电力系统

Abstract:

With the rapid development of new energy,the electric permeability of power system increases gradually,and the system presents the characteristics of low inertia.Virtual inertia control is one of the main ways to improve the frequency support ability of low inertia systems,but it will change the equivalent inertia level of the system and affect the frequency adjustment process.In order to solve these problems,the distributed frequency control strategy considering the influence of inertia is proposed.The power instruction compensation prediction output model of the virtual inertia controller is introduced.The distributed model prediction frequency controller based on the model is designed.The simulation results show that the proposed control strategy can effectively improve the frequency control performance and restrain the excessive adjustment of wind turbines in frequency control to a certain extent.

Key words: frequency control, model prediction control, virtual inertia control, low inertia power system

中图分类号:

TM712

朱琛, 郑峻峰, 方兴, 付翔, 陈柏沅, 张阳, 黄际元. 计及惯量影响的电力系统分布式频率控制策略[J]. 电器与能效管理技术, 2023, 0(3): 16-21.

ZHU Chen, ZHENG Junfeng, FANG Xing, FU Xiang, CHEN Baiyuan, ZHANG Yang, HUANG Jiyuan. Distributed Frequency Control Strategy for Power Systems Considering Influence of Inertia[J]. LOW VOLTAGE APPARATUS, 2023, 0(3): 16-21.

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计及惯量影响的电力系统分布式频率控制策略

Distributed Frequency Control Strategy for Power Systems Considering Influence of Inertia

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