To provide a charging control method, a charging control device, and a power source circuit in which, when a power factor improve circuit is configured using a rotary electric machine and an inverter, iron loss generated in the rotary electric machine is reduced so that the efficiency of charging a battery with an external power source can be improved.SOLUTION: A power source circuit 100 has: a base leg 22 that constitutes an inverter when a rotary electric machine 12 is driven; and an additional leg 23 that is connected in parallel with the base leg 22 and constitutes a power factor improve circuit 30 together with the rotary electric machine 12 and the base leg 22. In the power source circuit 100, when a battery 11 is charged, a first switching frequency fa is a frequency at which switching elements S3, S4 included in the base leg 22 are switched and a second switching frequency fb which is a frequency at which switching elements S1, S2 included in the additional leg 23 are switched are separately controlled. Further, the second switching frequency fb is set to be lower than the first switching frequency fa.SELECTED DRAWING: Figure 8
【課題】回転電機及びインバータを用いて力率改善回路を構成するときに、回転電機において生じる鉄損を低減し、外部電源によるバッテリの充電効率を向上した充電制御方法、充電制御装置、及び、電源回路を提供する。【解決手段】電源回路100は、回転電機12を駆動するときにインバータを構成する基本レグ22と、基本レグ22に並列に接続され、回転電機12及び基本レグ22とともに力率改善回路30を構成する追加レグ23と、を有する。この電源回路100では、バッテリ11を充電するときに、基本レグ22が有するスイッチング素子S3,S4をスイッチングする周波数である第1スイッチング周波数faと、追加レグ23が有するスイッチング素子S1,S2をスイッチングする周波数である第2スイッチング周波数fbと、をそれぞれ別個に制御する。そして、第2スイッチング周波数fbを第1スイッチング周波数faよりも小さくする。【選択図】図8
CHARGING CONTROL METHOD, CHARGING CONTROL DEVICE, AND POWER SOURCE CIRCUIT
充電制御方法、充電制御装置、及び、電源回路
05.08.2024
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 / 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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