WATER HEATER CONTROL SYSTEM AND STORAGE-TYPE ELECTRIC WATER HEATER

A water heater control system includes: a photovoltaic power generator interconnected with a commercial power supply, an electrical load circuit including a storage-type electric water heater using power from the commercial power supply and generated power of the photovoltaic power generator to perf...

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Bibliographische Detailangaben
Hauptverfasser:	YANAGIMOTO, Kei, KOMATSU, Masayuki, TAKAYAMA, Keisuke, OGAWA, Takashi, OGAWA, Yuki, NOMURA, Satoshi, BARADA, Naoki, INABA, Tadahiko
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DOMESTIC HOT-WATER SUPPLY SYSTEMS DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS ELECTRICITY ELEMENTS OR COMPONENTS THEREFOR FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERATION HEATING LIGHTING MECHANICAL ENGINEERING RANGES SYSTEMS FOR STORING ELECTRIC ENERGY VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A water heater control system includes: a photovoltaic power generator interconnected with a commercial power supply, an electrical load circuit including a storage-type electric water heater using power from the commercial power supply and generated power of the photovoltaic power generator to perform a water heating operation of heating low temperature water to high temperature water and storing the high temperature water, and a HEMS controller limiting a water heating operation of the storage-type electric water heater by stopping or suppressing the water heating operation of the storage-type electric water heater when a power fee data for purchased power supplied to the electrical load circuit from the commercial power supply exceeds a standard monetary amount.