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ELECTRIC POWER SUPPLY APPARATUS, CONTACTLESS ELECTRICITY TRANSMISSION APPARATUS, VEHICLE, AND CONTACTLESS ELECTRIC POWER TRANSFER SYSTEM
ELECTRIC POWER SUPPLY APPARATUS, CONTACTLESS ELECTRICITY TRANSMISSION APPARATUS, VEHICLE, AND CONTACTLESS ELECTRIC POWER TRANSFER SYSTEM
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机译:电力供应设备,无接触电力传输设备,车辆和无接触电力传输系统
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摘要
An electric power supply apparatus (20) includes a choke coil (210), a switching element (220), a resonance circuit (250) and a compensation circuit (260). The parasitic capacitance (270) of the switching element (220) is larger than a predetermined capacitance needed for realizing class E zero-voltage switching. The compensation circuit (260) is connected in parallel with the switching element (220). The compensation circuit (260) includes a coil (262) and a capacitor (264), and has inductive impedance.
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