基于多模式协调的飞轮储能系统故障穿越控制方法

doi:10.19799/j.cnki.2095-4239.2020.0104

储能科学与技术 ›› 2020, Vol. 9 ›› Issue (6): 1905-1916.doi: 10.19799/j.cnki.2095-4239.2020.0104

基于多模式协调的飞轮储能系统故障穿越控制方法

李汶灿¹, 吕静亮¹, 姜新建¹(), 张信真²

^1.清华大学电机系，北京 100084
^2.清华大学四川能源互联网研究院，四川成都 610000

收稿日期:2020-03-10 修回日期:2020-03-31 出版日期:2020-11-05 发布日期:2020-10-28
通讯作者: 姜新建 E-mail:jiangxj@tsinghua.edu.cn
作者简介:李汶灿（1997—），女，硕士研究生，主要研究方向为飞轮储能系统可靠性运行控制；
基金资助:
国家重点研发计划(2018YFB0905500)

Control method for fault ride-through of flywheel energy storage system based on multi-mode coordination

Wencan LI¹, Jingliang LV¹, Xinjian JIANG¹(), Xinzhen ZHANG²

^1.Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
^2.Sichuan Energy Internet Research Institute, Tsinghua University, Chengdu 610000, Sichuan, China

Received:2020-03-10 Revised:2020-03-31 Online:2020-11-05 Published:2020-10-28
Contact: Xinjian JIANG E-mail:jiangxj@tsinghua.edu.cn

摘要/Abstract

摘要：

飞轮储能是一种具有高动态响应性能的储能形式。在分析电网低电压和高电压故障下飞轮储能并网系统特性的基础上，文章提出适用于该系统的故障穿越控制策略。所提出的控制策略同时适用于电网对称故障和不对称故障，通过多模式协调控制网侧变流器和机侧变流器，可保障电网电压跌落和电网电压骤升期间飞轮储能并网系统能够持续不脱网工作，进而满足故障期间飞轮储能系统向电网提供一定无功功率支撑的故障穿越运行要求。本文通过理论模型的仿真，验证了所提故障控制算法的有效性，并对飞轮储能并网系统的故障穿越能力进行了评估。

关键词: 飞轮储能系统, 故障穿越, 多模式协调控制, 无功功率支撑

Abstract:

The flywheel energy storage system (FESS) is a form of energy storage with a high dynamic response performance. This study proposes a fault ride-through control strategy suitable for the FESS based on the analysis of the operating characteristics of the system under low- and high-voltage faults in the power grid. The proposed control strategy is applicable to both symmetric and asymmetrical faults in the power grid. Through a multi-mode coordinated control of the grid- and machine-side converters during the low- and high-voltage faults of the power grid, the proposed method enables a continuous non-off-grid operation of the flywheel energy storage grid-connected system. At the same time, it can meet the fault ride-through operation requirement of the FESS being able to provide a certain reactive power support to the grid during fault. The effectiveness of the proposed control strategy is verified by a simulation. Moreover, the fault ride-through capability of the flywheel energy storage grid-connected system is evaluated.

Key words: flywheel energy storage system (FESS), fault ride-through, multi-mode coordinated control strategy, reactive power support

中图分类号:

TQ 028.8

李汶灿, 吕静亮, 姜新建, 张信真. 基于多模式协调的飞轮储能系统故障穿越控制方法[J]. 储能科学与技术, 2020, 9(6): 1905-1916.

Wencan LI, Jingliang LV, Xinjian JIANG, Xinzhen ZHANG. Control method for fault ride-through of flywheel energy storage system based on multi-mode coordination[J]. Energy Storage Science and Technology, 2020, 9(6): 1905-1916.

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基于多模式协调的飞轮储能系统故障穿越控制方法

Control method for fault ride-through of flywheel energy storage system based on multi-mode coordination

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