ENERGY STORAGE CONVERTER CONTROL SYSTEM STABILITY VERIFICATION METHOD

Provided is an energy storage converter control system stability verification method, comprising: acquiring a current active component expression and a current reactive component expression output by an energy storage converter, and an energy storage system current droop control equation; establishi...

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Bibliographische Detailangaben
Hauptverfasser:	LIANG, Xiaobin, WANG, Yihang, LI, Jinghua, JIANG, Bin, YAN, Yunfei, YIN, Yue, ZENG, Chuidong, WANG, Xiaohui, GUO, Hao, KOU, Shuichao, XU, Tingjin, YANG, Peihao, WU, Pengyue, LI, Zhipeng, WU, Ke, WANG, Jiewen, DAI, Benqian, XUE, Xiaofeng, WU, Xiangguo, LIN, Songqing, LIU, Wenwu, ZHANG, Lisong, DU, Wurong, PAN, Xiliang
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	Provided is an energy storage converter control system stability verification method, comprising: acquiring a current active component expression and a current reactive component expression output by an energy storage converter, and an energy storage system current droop control equation; establishing a current linearization model equation according to the component expressions; establishing a current droop linearization model equation according to the droop control equation; substituting the current linearization model equation and the droop linearization model equation into a spatial state expression to obtain a small signal model equation; and determining a root trajectory of a self-adaptive inertia reactive current droop coefficient on the basis of the small signal model equation, and on the basis of the root trajectory, verifying the stability of a converter self-adaptive reactive current droop control system. L'invention concerne un procédé de vérification de stabilité de système de contrôle de converti