AIR-CONDITIONER

PURPOSE:To allow optimal control of charge/discharge voltage by fully utilizing the power generated from solar cells while ensuring the reliability of a battery. CONSTITUTION:Power generated by solar cells 28 is fed to an inverter 15 during daytime and a maximum output power control circuit 20 contr...

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Bibliographische Detailangaben
Hauptverfasser:	KURAMOCHI AKIHIKO, KAWAGUCHI YUJI, KITAYAMA TORU
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING 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 BLASTING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMBINED HEATING AND REFRIGERATION SYSTEMS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PHYSICS RANGES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES SYSTEMS FOR STORING ELECTRIC ENERGY VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To allow optimal control of charge/discharge voltage by fully utilizing the power generated from solar cells while ensuring the reliability of a battery. CONSTITUTION:Power generated by solar cells 28 is fed to an inverter 15 during daytime and a maximum output power control circuit 20 controls a bidirectional converter 4 to generate maximum power from the solar cells 28. Excess power is returned back to a single phase commercial power supply 1 through the bidirectional converter 4. When the output power from the solar cells drops during daytime due to rainy or cloudy weather, power is fed from a battery 32 to the inverter 15 and deficiency of power is supplemented by the commercial power supply 1 through the bidirectional converter 4. In nighttime, the bidirectional converter 4 is controlled with reference to the voltage of a DC power supply 21 and power is fed to the inverter 15 from the commercial power supply 1. Furthermore, a charging current control circuit 22 controls the bidirectional converter 4 to charge the battery with an optimal voltage.