基于STATCOM控制系统的风电场低电压穿越技术研究  

Study of low voltage ride-throuch of wind farms based on STATCOM control system

作　　者：张彦凯[1] 郑伟[1] 智勇[1] 吕斌[1] 梁琛[1] 

机构地区：[1]国网甘肃省电力公司电力科学院研究院,甘肃兰州730050

出　　处：《微型机与应用》2014年第9期22-24,共3页Microcomputer & Its Applications

摘　　要：着重研究了STATCOM接入风电场系统并网点,使变频器与STATCOM结合控制,当系统电压在合理范围内变化时,STATCOM能很好地调节稳定电压,减少向电网输出谐波;当电网发生故障,系统电压跌落严重时,变频器以STATCOM模式运行,变频器与STATCOM同时向系统发出无功功率,快速稳定系统电压,达到提高风电场低电压穿越能力的目的。This article in the wind power system and network access can be adjusted continuously and fast response speed of static synchronous compensator （STATCOM）, adopt inverter with STATCOM joint control, such that when the grid voltage in the normal range, STATCOM rapidly and stably and network voltage, reduce system to power grid harmonic output; when power system fault cause and network voltage drop is more serious, the inverter operates in static reactive compensation mode, combined with STATCOM network to the output reactive power, improve the stability and voltage and outlets, eventually improve the LVRT capability.

关 键 词：静止同步无功补偿器 低电压穿越 风力发电 仿真分析 

分 类 号：TM1[电气工程—电工理论与新技术]