%0 Journal Article
%T Analysis of Short-circuit Characteristics and Calculation ofSteady-state Short-circuit Current for DFIG Wind Turbine
%A XiaofuXIONG
%A JinxinOUYANG
%J 电力系统自动化
%D 2012
%X Large-scaledoubly-fedinductiongenerator（DFIG）windturbinesareconnectedtothegridandrequiredtoremaingrid-connectionduringfaults，theshort-circuitcurrentcontributedbythegenerationhasbecomeasignificantissue.However，thetraditionalcalculationmethodsaimingatsynchronousgeneratorscannotbedirectlyappliedtotheDFIGwindturbines.Anewmethodisneededtocalculatetheshort-circuitcurrentrequiredbytheplanning，protectionandcontrolofthepowergrid.Theshort-circuittransitionofDFIGundersymmetricalandasymmetricshort-circuitconditionsaremathematicallydeduced，andtheshort-circuitcharacteristicsofDFIGareanalyzed.Anewmethodisproposedtocalculatethesteady-stateshort-circuitcurrentofDFIGbasedonthederivedexpressions.Thetime-domainsimulationsareconductedtoverifytheaccuracyoftheproposedmethod.
%K wind
%K power
%K generation
%K doubly-fed
%K induction
%K generator（DFIG）
%K short-circuit
%K current
%K transientcharacteristics
%U http://www.aeps-info.com/aeps/ch/reader/view_abstract.aspx?file_no=201112160&flag=1