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电力系统自动化 2012
Impacts of Large-scale Wind Power Grid Integration onRelay Protection and CountermeasuresKeywords: wind,power,tripping,countermeasure,relay,protection Abstract: Severallarge-scalewindturbinetrippingaccidentsoccurredinJiuquanwindpowerbasein2011.Accordingtotheon-sitesurveyandanalysisoftheseaccidentsrelatedtorelayprotection，causeswerefoundtobethecollectionsystemdefectsandlowcorrectoperationrateofsmallcurrentgroundedlineselectorsoftheunearthedneutralpointcollectionsystem.ByreferringtoboththecharacteristicsofJiuquanwindpowerbaseandarrangementofrelayprotection，theshort-circuitfeaturesofwindpoweranditsimpactsonrelayprotectionareanalyzed.Thecollectionsystemandtheretrofitofthesmallcurrentgroundedlineselectorareimprovedbyspecificcountermeasures.Finally，furtherresearchsubjectsareputforward.
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