电力系统自动化2012，Vol.36Issue(20)：6-12,7.
协调二级电压控制对长期电压稳定的影响分析及改进
Impact of Coordinated Secondary Voltage Control on Long-term Voltage Stability and Improvement of Strategies
摘要
Abstract
By using real-time data of a large-scale receiving power grid,the impact of coordinated secondary voltage control(CSVC) on long-term voltage stability is assessed through time domain simulation.The results show that CSVC will help improve system voltage stability when the sub-regions have large adjustable reactive power margin,otherwise it will have little effect.Given that severe faults often result in reactive power shortage in receiving system,an emergency voltage control strategy is proposed based on trajectory sensitivity to pick up control generators according to real time system faults within the whole control range.Moreover,it can be easily combined with other control strategies to achieve better control performance.The time-domain simulation results prove that this emergency voltage control strategy can significantly improve system long-term voltage stability after large system disturbance.关键词
二级电压控制/紧急电压控制/长期电压稳定/时域仿真/轨迹灵敏度Key words
coordinated secondary voltage control(CSVC)/emergency voltage control/long-term voltage stability/time-domain simulation/trajectory sensitivity分类
信息技术与安全科学引用本文复制引用
李婷,刘明波,林舜江,欧阳逸风..协调二级电压控制对长期电压稳定的影响分析及改进[J].电力系统自动化,2012,36(20):6-12,7.基金项目
国家自然科学基金资助项目 （）
中央高校基本科研业务费专项资金资助项目 （）
广东省绿色能源技术重点实验室资助项目 （）
广东高校优秀青年创新人才培养计划资助项目 （）
