To provide a power distribution system capable of processing regenerative electric power generated in an electric actuator of an aircraft with an excellent responsibility and stably, and preventing a voltage variation of DC bus in the processing of the regenerative electric power.SOLUTION: A power distribution system 100 installed in an aircraft has: a first DC power supply unit 10 having an electric generator 11; a second DC power supply unit 20 having a battery 30, a step-up/step-down converter 41, a voltage sensor 43, and a control unit 44; and a diode 50. When the voltage sensor 43 does not detect regenerative electric power, the control unit 44 executes a running electric power processing mode for supplying generated power generated by the first DC power supply unit 10 to an electric actuator 80 while charging/discharging the battery 30 so that a storage rate A of the battery 30 is maintained within a predetermined range by the step-up/step-down converter 41. When the voltage sensor 43 detects regenerative electric power, the control unit 44 executes a regenerative electric power processing mode for charging the regenerative electric power in the battery 30 by the step-up/step-down converter 41.SELECTED DRAWING: Figure 2

    【課題】航空機の電動アクチュエータで発生した回生電力を応答性良く、かつ、安定的に処理可能であり、回生電力の処理に際して直流バスの電圧変動を防止可能な配電システムの提供。【解決手段】航空機に搭載される配電システム100は、発電機11を有する第一直流電源部10と、バッテリ30、昇降圧コンバータ41、電圧センサ43および制御部44を有する第二直流電源部20と、ダイオード50とを備える。制御部44は、電圧センサ43が回生電力を検出していないとき、昇降圧コンバータ41によりバッテリ30の蓄電率Aが所定範囲内に維持されるようにバッテリ30を充放電させながら、第一直流電源部10で発電された発電電力を電動アクチュエータ80に供給する力行電力処理モードを実行する。制御部44は、電圧センサ43が回生電力を検出したとき、昇降圧コンバータ41により回生電力をバッテリ30に充電する回生電力処理モードを実行する。【選択図】図2


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    Title :

    POWER DISTRIBUTION SYSTEM AND POWER DISTRIBUTION METHOD


    Additional title:

    配電システムおよび配電方法


    Contributors:

    Publication date :

    2021-03-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen



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