To provide a power conversion device for fuel cells and a fuel cell system capable of reducing a physical constitution of fuel cells by boosting a voltage of a plurality of fuel cells without connecting the plurality of fuel cells in series.SOLUTION: A first booster 61 of a power conversion device for fuel cells 60 in a fuel cell system 10, has: a positive electrode side first input end 610 connected with a positive electrode of a first fuel cell 11; a negative electrode side first input end 611 connected with a negative electrode of the first fuel cell 11; a positive electrode side first output end 614 connected with a positive electrode of a power storage device 15; and a negative electrode side first output end 615. A second booster 62 has: a positive electrode side second input end 620 connected with a positive electrode of a second fuel cell 12; a negative electrode side second input end 621 connected with a negative electrode of the second fuel cell 12; a positive electrode side second output end 624 connected with the negative electrode side first output end 615; and a negative electrode side second output end 625 connected with a negative electrode of the power storage device 15.SELECTED DRAWING: Figure 1
【課題】複数の燃料電池を直列に接続することなく複数の燃料電池の電圧を昇圧することによって燃料電池の体格を小さくできる燃料電池用電力変換装置および燃料電池システムを提供する。【解決手段】燃料電池システム10における燃料電池用電力変換装置60の第1昇圧部61は、第1燃料電池11の正極に接続される正極側第1入力端610と、第1燃料電池11の負極に接続される負極側第1入力端611と、蓄電装置15の正極に接続される正極側第1出力端614と、負極側第1出力端615と、を有し、第2昇圧部62は、第2燃料電池12の正極に接続される正極側第2入力端620と、第2燃料電池12の負極に接続される負極側第2入力端621と、負極側第1出力端611に接続される正極側第2出力端624と、蓄電装置15の負極に接続される負極側第2出力端625と、を有する。【選択図】図1
POWER CONVERSION DEVICE FOR FUEL CELLS, AND FUEL CELL SYSTEM
燃料電池用電力変換装置および燃料電池システム
26.01.2023
Patent
Elektronische Ressource
Japanisch
IPC: | 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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