构网型储能支撑高比例新能源并网稳定运行技术  

Stable operation technology for high proportion of new energy connected to power grid supported by grid-forming energy storage

作　　者：李明 亚夏尔·吐尔洪 郑云平 兰承龙 LI Ming;YAXAR·Turgun;ZHENG Yunping;LAN Chenglong(Electric Power Science and Research Institute of State Grid Xinjiang Electric Power Co.,Ltd.,Urumqi 830011,China)

机构地区：[1]国网新疆电力有限公司电力科学研究院,新疆乌鲁木齐830011

出　　处：《热力发电》2025年第3期59-68,共10页Thermal Power Generation

基　　金：2024年国网新疆公司科技项目(SGXJDK00XXJS2400110)。

摘　　要：构网(grid-forming,GFM)型储能技术可构建起支撑大电网稳定运行的电压源,是支撑高比例新能源并网稳定运行的一个有效手段。基于此,分析了GFM型储能支撑高比例新能源并网稳定运行机理,根据GFM型储能技术原理和特性,对比分析了5种常用的提升电网稳定性技术。给出一种考虑多时变参数的GFM型储能系统模型搭建思路,并提出GFM型储能技术支撑高比例新能源并网方案以及海量GFM型储能设备并网振荡产生机制分析方法。同时,研究了基于信号注入的系统阻抗动态辨识技术,进而提出海量GFM型储能设备并网系统阻抗重构技术路线。The technology of grid-forming energy storage can form a voltage source,which can support the stable operation of large power grids.The technology of grid-forming energy storage is an effective means to support the stable operation of high proportion of new energy connected to the grid.Based on this,the operation mechanism of grid-forming energy storage to support the stability of high proportion of new energy connected to the grid is analyzed.According to the principle and characteristics of grid-forming energy storage technology,five commonly used technologies to improve the stability of the grid are compared and.A model building idea of grid-forming energy storage system considering multi-time-varying parameters is proposed.Moreover,the scheme of grid-forming energy storage technology supporting high proportion of new energy grid-connected and the mechanism analysis of massive grid-forming energy storage equipment grid-connected oscillation is proposed.In addition,the system impedance dynamic identification technology based on signal injection is studied,and then the impedance reconstruction technical route of massive grid-forming energy storage equipment grid-connected system is proposed.

关 键 词：构网型储能 高比例新能源 并网稳定 并网振荡 

分 类 号：TM732[电气工程—电力系统及自动化] TM91