Control system for solar power plant

A control system for a solar power plant includes: plural power conditioning systems performing grid connection control of transmission of electrical power generated by a solar power generator to a power grid; and a supervisory controller which issues a target output command to each power conditioni...

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Bibliographische Detailangaben
1. Verfasser:	Okochi, Toshio
Format:	Patent
Sprache:	eng
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 BASIC ELECTRIC ELEMENTS CALCULATING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMPUTING CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES PHYSICS SEMICONDUCTOR DEVICES SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A control system for a solar power plant includes: plural power conditioning systems performing grid connection control of transmission of electrical power generated by a solar power generator to a power grid; and a supervisory controller which issues a target output command to each power conditioning system so that interconnection point electrical power, electrical power fed to the power grid, becomes equal to or smaller than an upper limit output value. The supervisory controller: receives an urgent request including information related to a time of day at which the upper limit output value is scheduled to be changed and the scheduled upper limit output value; and calculates a target value of the interconnection point electrical power for each time of day so that the interconnection point electrical power conforms to the scheduled upper limit output value by the scheduled time of day.