To provide a power receiving device capable of receiving power with appropriate power transmission efficiency.SOLUTION: A power receiving device 30 that can receive AC power from a power transmitting device 20 having a primary coil 21 to which AC power is input, supplies power to a storage battery 16, and is mounted on a vehicle 15 includes a secondary coil 31 that can receive power from the primary coil 21 without contact, a secondary capacitor 32 that is connected to the secondary coil 31 and constitutes a resonance circuit together with the secondary coil 31, and a filter circuit 40 that is connected to the secondary capacitor 32, cuts at least high frequencies, and is connected to a storage battery 16 via a rectifier 34, and in the filter circuit 40, on the basis of an output voltage and an output power of the storage battery 16 at a position where the secondary coil 31 is assumed to be the farthest from the primary coil 21, a filter constant is adjusted such that the power transmission efficiency becomes a predetermined value or more.SELECTED DRAWING: Figure 2

    【課題】適切な電力伝送効率で受電可能な受電装置を提供することにある。【解決手段】交流電力が入力される1次側コイル21を有する送電機器20から交流電力を受電可能であり、蓄電池16に電力を供給し、車両15に搭載された受電機器30であって、1次側コイル21から非接触で受電可能な2次側コイル31と、2次側コイル31に接続され、2次側コイル31とともに共振回路を構成する2次側コンデンサ32と、2次側コンデンサ32に接続され、少なくとも高周波をカットし、蓄電池16に整流器34を介して接続されたフィルタ回路40と、を備えており、フィルタ回路40において、1次側コイル21に対して2次側コイル31が最も離れると想定される位置での蓄電池16の出力電圧及び出力電力に基づき、予め定めた所定以上の電力伝送効率になるように、フィルタ定数が調整されている。【選択図】 図2


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    Title :

    POWER RECEIVING DEVICE


    Additional title:

    受電機器


    Contributors:

    Publication date :

    2020-06-18


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES



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