STAND-ALONE POWER SUPPLY SYSTEM FOR WATER PUMP MOTOR USING SOLAR CELLS

A power supply system is provided to supply the power to a pump without an additional energy source by converting the solar energy into the electric energy. A solar cell(101) converts the sunlight into the DC power. The solar cell is connected to the front part of a power converter. A pump(103) is c...

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Bibliographische Detailangaben
Hauptverfasser:	HWANG, JUNG HOON, BAE, JOUNG HWAN, KIM, MAN IL, LEE, JOON GEE, CHO, WOON SIK, LEE, SEUNG HUN, PARK, MOON HEE
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:	A power supply system is provided to supply the power to a pump without an additional energy source by converting the solar energy into the electric energy. A solar cell(101) converts the sunlight into the DC power. The solar cell is connected to the front part of a power converter. A pump(103) is connected to the rear of the power converter. A power converter(102) includes solar irradiance determining unit, a condenser, and an inverter. The solar irradiance determining unit determines whether the solar irradiance exceeds the minimum operation range of the pump. If the solar irradiance does not exceed the minimum operation range of the pump, the condenser stores the DC power from the solar cell. If the solar irradiance exceeds the minimum operation range of the pump, the inverter inverts the DC power form the solar cell to the AC power for the pump.