Regional power grid frequency support system based on distributed energy storage devices

The invention discloses a regional power grid frequency support system based on distributed energy storage devices, and the system comprises the energy storage devices which are distributed on 10kV or35kV AC buses of 110kV substations; a power grid frequency support coordinator which is arranged in...

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Bibliographische Detailangaben
Hauptverfasser:	YAO HUANGFU, SUN WEIZHEN, YANG CAIMING, LIANG YIQIAO, ZHOU ZHENGYANG, HAN QIGUO, LUO GANG, ZHANG JING, QI WEIWEN
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 regional power grid frequency support system based on distributed energy storage devices, and the system comprises the energy storage devices which are distributed on 10kV or35kV AC buses of 110kV substations; a power grid frequency support coordinator which is arranged in a regional power regulation and control center and is in communication connection with the monitoring unit; and a power grid energy management system which is in communication connection with the power grid frequency support coordinator. When the power grid extra-high voltage AC-DC power transmission line fails, the regional power grid generates a corresponding active vacancy; the power grid energy management system sends a power emergency support instruction to the power grid frequency supportcoordinator of the regional power regulation and control center after sensing; and the power grid frequency support coordinator calculates emergency support power needing to be borne by each energy storage device according to