提升暂态电压稳定控制的储能建模与调压控制策略研究

doi:10.16628/j.cnki.2095-8188.2023.09.002

电器与能效管理技术 ›› 2023, Vol. 0 ›› Issue (9): 11-17.doi: 10.16628/j.cnki.2095-8188.2023.09.002

提升暂态电压稳定控制的储能建模与调压控制策略研究

朱琛¹, 郑峻峰², 方兴¹, 付翔¹, 陈柏沅², 高可夫¹, 胡湘伟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:2023-06-18 出版日期:2023-09-30 发布日期:2023-11-23
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,主要从事电网规划工作。
基金资助:
国网湖南省电力有限公司科技项目(5216A12101YJ)

Large-Scale Energy Storage Assisted Transient Voltage Stability Control Model and Application of Power Grid

ZHU Chen¹, ZHENG Junfeng², FANG Xing¹, FU Xiang¹, CHEN Baiyuan², GAO Kefu¹, HU Xiangwei², HUANG Jiyuan²

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

Received:2023-06-18 Online:2023-09-30 Published:2023-11-23

摘要/Abstract

摘要：

为有效解决特高压直流双极闭锁和新能源出力随机性可能导致主网暂态稳定水平、配网供电可靠性降低的问题。首先,基于电力系统分析综合程序(PSASP),利用用户自定义模块对提升电网暂态电压稳定控制的储能系统建模;其次,提出一种储能电站与电容/电抗器联合调压控制策略,有效提高系统调压能力。最后,结果表明,相比调相机在相同地点接入等容量储能,电压恢复速度更快,有效提升了电网暂态调压水平。

关键词: 储能建模, 暂态电压, 电力系统分析综合程序, 联合调压策略, 调相机

Abstract:

In order to effectively solve the problem that the UHV DC bipolar lock and the randomness of new energy output may lead to a decrease of the transient stability level of the main network and the reliability of the distribution network power supply.Firstly,based on the power system analysis software package (PSASP),a user defined module is used to model the energy storage system to improve the transient voltage stability control of power grid.Secondly,a joint voltage regulation control strategy for energy storage power station and capacitor/reactor is proposed to effectively improve the voltage regulation capability of the system.Finally,the results show that compared with the condenser the voltage recovery speed of energy storage with equal capacity connected at the same location is faster.The power grid transient voltage regulation level is effectively improved.

Key words: energy storage modeling, transient voltage, power system analysis software package (PSASP), combined pressure regulation strategy, condenser

中图分类号:

TM910.1

朱琛, 郑峻峰, 方兴, 付翔, 陈柏沅, 高可夫, 胡湘伟, 黄际元. 提升暂态电压稳定控制的储能建模与调压控制策略研究[J]. 电器与能效管理技术, 2023, 0(9): 11-17.

ZHU Chen, ZHENG Junfeng, FANG Xing, FU Xiang, CHEN Baiyuan, GAO Kefu, HU Xiangwei, HUANG Jiyuan. Large-Scale Energy Storage Assisted Transient Voltage Stability Control Model and Application of Power Grid[J]. LOW VOLTAGE APPARATUS, 2023, 0(9): 11-17.

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工况	ΔU(t)	dP(t)/dt	离散无功源状态	调压方案
工况	ΔU(t)	dP(t)/dt	离散无功源状态	电容器/电抗器	储能
1	0	—	—	不动作	不动作
2	>0	>0	—	不动作	动作
3	>0	<0	0	不动作	动作
4	>0	<0	1	退电容/投电抗	不动作
5	<0	>0	0	不动作	动作
6	<0	>0	1	退电抗/投电容	不动作
7	<0	<0	—	不动作	动作

提升暂态电压稳定控制的储能建模与调压控制策略研究

Large-Scale Energy Storage Assisted Transient Voltage Stability Control Model and Application of Power Grid

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