SMART GRID MONITORING CONTROL METHOD AND DEVICE

PROBLEM TO BE SOLVED: To provide a monitoring control method and device capable of stably and efficiently performing frequency control of distributed power supplies in a smart grid in coordination with a commercial power system.SOLUTION: The smart grid monitoring control device comprises a plurality...

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA TETSUO, SEKOGUCHI MASAHIRO, FUKUI CHIHIRO
Format:	Patent
Sprache:	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:	PROBLEM TO BE SOLVED: To provide a monitoring control method and device capable of stably and efficiently performing frequency control of distributed power supplies in a smart grid in coordination with a commercial power system.SOLUTION: The smart grid monitoring control device comprises a plurality of generators and loads, and is operated in cooperation with a commercial power system through a cooperation circuit breaker. The device includes a frequency control capability calculation unit which calculates a frequency control capability of a coordinated system using total power demand and a bus frequency, and an independent/cooperative operation detecting unit which calculates a frequency control capability of the commercial power system from the frequency control capability of the system from the frequency control capability calculation unit, for determining cooperative or independent operation based on the magnitude of the capability.