Microgrid control system and control method therefor

The invention discloses a microgrid control system, and the system comprises a power factor closed-loop control module, a voltage closed-loop control module, a negative sequence compensation susceptance calculation module, an intelligent switch, and an SVC control module. The power factor closed-loo...

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Bibliographische Detailangaben
Hauptverfasser:	ZOU XILIN, DONG JUNHUI, LIN FEI, LIU PENG, JIANG HONGZE, WANG YANYAN, BI HAIPENG, JIANG XIAOYANG, ZHANG JING, PIAO YONGJIE, LI RAN, SU WENYAN, ZHOU JIAHONG, BI WEIFENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention discloses a microgrid control system, and the system comprises a power factor closed-loop control module, a voltage closed-loop control module, a negative sequence compensation susceptance calculation module, an intelligent switch, and an SVC control module. The power factor closed-loop control module receives a power factor set value of a public power grid and a power factor instantaneous value of the public power grid, and carries out the calculation to output a first positive sequence susceptance. The voltage closed-loop control module receives the power factor set value of the public power grid and the power factor instantaneous value of the public power grid, and carries out the calculation to output a second positive sequence susceptance. The negative sequence compensation susceptance calculation module receives a microgrid current instantaneous value and calculates the negative sequence compensation susceptance of a feedback branch circuit. The intelligent susceptance is conditionally fed