电工技术学报2017，Vol.32Issue(11)：38-47,10.
多运行方式下风电机组变频器参与次同步相互作用的分析与抑制
Analysis and Mitigation of Wind Turbine Converters in Sub-Synchronous Interaction under Multi-operating Conditions
摘要
Abstract
Large scale wind power transmitted by series compensated lines are susceptible to the sub-synchronous interaction(SSI)in long distance.System operating conditions,series compensation degree and PI parameters of the converter control system are the major influence factors on the power system sub-synchronous stability.This paper presents a probabilistic approach combined with modal analysis to study the SSI issues respectively on doubly fed induction generator(DFIG)system and permanent magnet synchronous generator(PMSG)wind farm system Participation factor(PF)is utilized to analyze the state variables involved in the SSI for mode identification.The impacts of series compensation degree on the oscillation modes are investigated,and then,probabilistic sensitivity index(PSI)is proposed to study the dominant converter control parameters on the SSI,a robust supplementary damping control strategy based on wind turbine converter is presented to exploit the SSCI suppression capability.Obtained results show that DFIG-based wind turbine is highly sensitive to the SSCI,a robust power system stabilizer(PSS)is supplemented to the DFIG grid side converter for SSCI mitigation over a large and pre-specified set of operating conditions,the effectiveness of the proposed approach is validated,whereas,PMSG-based wind turbine is verified to be immune to that interaction.关键词
双馈感应发电机/永磁同步发电机/次同步相互作用/概率灵敏度/电力系统稳定器/次同步概率稳定性Key words
Doubly fed induction generator(DFIG)/permanent magnet synchronous generator(PMSG)/sub-synchronous interaction(SSI)/probabilistic sensitivity index(PSI)/power system stabilizer(PSS)/sub-synchronous probabilistic stability分类
信息技术与安全科学引用本文复制引用
边晓燕,施磊,宗秀红,李东东,符杨..多运行方式下风电机组变频器参与次同步相互作用的分析与抑制[J].电工技术学报,2017,32(11):38-47,10.基金项目
上海市教育发展基金会和上海市教育委员会"曙光计划"(15SG50)和上海绿色能源并网工程技术研究中心基金(13DZ2251900)资助项目. （15SG50）
