构网型储能提升系统电压稳定作用研究  

Research on Grid-forming BESS in Improving Voltage Stability

作　　者：王聪 葛景 汪莹 王玮 谢醉冰 王新宝[2] WANG Cong;GE Jing;WANG Ying;WANG Wei;XIE Zuibing;WANG Xinbao(Northwest Branch of Sate Grid Cooperation,Xi′an 710048,China;NARI RELAYS Electric Co.,Ltd.,Nanjing 211100,China)

机构地区：[1]国家电网公司西北分部,陕西西安710048 [2]南京南瑞继保电气有限公司,江苏南京211100

出　　处：《电工技术》2023年第12期183-185,189,共4页Electric Engineering

基　　金：国家重点研发计划项目资助(编号2021YFB2400805);国家电网西北分部科技项目(编号SGTYHT/21-JS-226)。

摘　　要：为了满足偏远地区负荷增长需求,需从电网规划、电源建设等多角度挖掘系统供电能力提升潜力,而传统的加强网架建设等方案存在输电走廊征地困难、实施周期长等问题,亟需寻找建设速度快、提升效果好的解决方案。构网型储能具备类似常规同步电源的支撑能力,可有效提升系统短路容量、受电能力。首先研究构网型储能基本原理,比较其与常规跟网型储能的区别,并建立构网型储能仿真模型。在此基础上,研究其提升系统电压稳定性作用机理。结合某地区电网应用场景,研究构网型储能提升静态稳定极限和暂态电压稳定水平的应用效果。分析结果表明,构网型储能可有效应用于解决受端系统受电能力缺口问题。In order to meet the demand for load growth in remote areas,it is necessary to tap the potential for improving the power supply capacity of the system from multiple perspectives such as power grid planning and power source construction.However,traditional schemes such as strengthening grid construction have problems such as difficult land acquisition for transmission corridors and long implementation period.Therefore,it is urgent to find solutions with fast construction speed and good improvement effect.The grid-forming BESS has the support capacity similar to conventional synchronous generators,which can effectively improve the short-circuit capacity and power receiving capacity of the system.Firstly,the basic principle of grid-forming BESS was studied,and the difference between grid-forming BESS and grid-following BESS was compared,and the simulation model of grid-forming BESS was established.On this basis,the mechanism of improving system voltage stability was studied.Based on the application scenario of a regional power grid,the application effect of grid-forming BESS to improve the static stability limit and transient voltage stability level was studied.The analysis results show that the grid-forming BESS can effectively solve the problem of power receiving capacity gap of the receiving end system.

关 键 词：电网规划 电源建设 构网型储能 受电能力 

分 类 号：TM723[电气工程—电力系统及自动化]