To provide a compact power conversion device that effectively uses power-generation power of a photovoltaic power generation device.SOLUTION: A power conversion device comprises a storage battery; a first power converter for converting DC power of a first voltage into AC power; and a second power converter that performs power conversion between the DC power of the first voltage and DC power of a second voltage for charging/discharging of the storage battery, that is connected between the first power converter and the storage battery. The second power converter comprises a multi-input/output type power converter that performs power conversion with DC power of a third voltage in between in addition to power conversion between the DC power of the first voltage and the DC power of the second voltage, and further comprises a power-supplying part for supplying the DC power of the third voltage to the outside.SELECTED DRAWING: Figure 2
【課題】太陽光発電装置の発電電力を有効に用いるコンパクトな電力変換装置を提供する。【解決手段】電力変換装置は、蓄電池と、第1の電圧の直流電力を交流電力に変換する第1の電力変換器と、第1の電力変換器と蓄電池との間に接続され、蓄電池の充電及び放電のための第2の電圧の直流電力と第1の電圧の直流電力との間で電力変換を行う第2の電力変換器とを含むみ、第2の電力変換器は、第1の電圧の直流電力及び第2の電圧の直流電力の間の電力変換に加え、第3の電圧の直流電力との電力変換を行うマルチ入出力型電力変換器を含み、第3の電圧の直流電力を外部に供給するための電力供給部をさらに含む。【選択図】図2
POWER CONVERSION DEVICE, AND POWER-SUPPLYING SERVICE MANAGEMENT DEVICE
電力変換装置及び電力供給サービス管理装置
2023-03-03
Patent
Elektronische Ressource
Japanisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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