Method and device for analyzing influence of SVG on double-fed grid-connected system

Method and device for analyzing influence of SVG on double-fed grid-connected system

The invention discloses a method and device for analyzing the influence of SVG on a doubly-fed grid-connected system. The method comprises the steps of obtaining an equivalent model of interaction between the SVG and the doubly-fed grid-connected system; simplifying the equivalent model into a singl...

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Hauptverfasser: HUANG TIANXIAO, LIU JUNNA, SHI YANG, YAN YI'AN, AILIXIER YAERMAIMAITI, LI SHANYING, XIN GUANGMING, LI CHANGYU, LIANG HAO, WANG BINGHUI, TAN ZHENG, XU PENG, CAO TIANZHI, WU TAO, XIE HUAN, LUO JING, HAO JING, CHEN RUI, LIU YINGLIN, XIN HUANHAI
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:The invention discloses a method and device for analyzing the influence of SVG on a doubly-fed grid-connected system. The method comprises the steps of obtaining an equivalent model of interaction between the SVG and the doubly-fed grid-connected system; simplifying the equivalent model into a single-input single-output equivalent complex circuit model; according to the single-input single-output equivalent complex circuit model, obtaining an influence factor index of SVG additional impedance on a system oscillation mode; and determining the influence of the SVG on the doubly-fed grid-connected system according to the influence factor index. The invention provides a method for effectively analyzing the influence of the SVG on the doubly-fed grid-connected system. 本发明公开了一种分析SVG对双馈并网系统的影响的方法及装置，该方法包括：获取SVG与双馈并网系统交互的等效模型；将所述等效模型简化为单输入单输出等效复电路模型；根据所述单输入单输出等效复电路模型得到SVG附加阻抗对系统振荡模态的影响因子指标；根据所述影响因子指标确定SVG对双馈并网系统的影响。本发明提供了一种有效的分析SVG对双馈并网系统的影响的方法。