Wireless power transmission system for online load identification and load identification method
A technology of wireless energy transmission and magnetic energy, applied in the direction of measuring electricity, electrical components, circuit devices, etc., can solve the problems of inability to carry out power, cannot be carried out at the same time, imprecise impedance, etc., achieve high load identification accuracy, improve frequency selection ability, The effect of high energy efficiency
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[0054] Embodiment one: if figure 1 , for a wireless power transmission system operating at a frequency of 20kHz, the inductance L of the fundamental wave coil in the primary side fundamental wave energy transmission link a1 The value is 10μΗ, the fundamental resonance compensation capacitor C p1 is 6.333μF, the fundamental capacitor C 1 is 0.7036μF, the inductance L of the primary side fundamental wave magnetic energy transmitting coil p1 is 100μΗ; the harmonic coil inductance L in the primary side harmonic energy emission link a3 The value is 3μΗ, the harmonic resonance compensation capacitor C p3 is 2.345µF, the harmonic capacitor C 3is 0.07254μF, the primary side harmonic magnetic energy transmitting coil inductance L p3 is 100μΗ, the coupling coefficient k is 0.2, and L in the secondary side energy receiving module s1 and L s2 Both are 100μΗ, secondary resonance compensation capacitor C s1 It is 0.3166μΗ, and the front stage DC power supply is 20V. The process of ...
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