Li, H.
(Southeast University,School of Electrical Engineering,Nanjing,China)
,
Tan, L.
(Southeast University,School of Electrical Engineering,Nanjing,China)
,
Wang, R.
(Southeast University,School of Electrical Engineering,Nanjing,China)
,
Huang, T.
(Southeast University,School of Electrical Engineering,Nanjing,China)
,
Li, C.
(Southeast University,School of Electrical Engineering,Nanjing,China)
,
Huang, X.
(Southeast University,School of Electrical Engineering,Nanjing,China)
This paper introduces a control strategy for a power conversion device at the receiving end of an electric vehicle wireless charging system. The receiver circuit analysis is completed, and the equivalent circuit of the receiver resonance network is drawn. A constant voltage-constant current charging...
This paper introduces a control strategy for a power conversion device at the receiving end of an electric vehicle wireless charging system. The receiver circuit analysis is completed, and the equivalent circuit of the receiver resonance network is drawn. A constant voltage-constant current charging control strategy is designed. In the constant current phase, the current closed loop control is adopted, and the constant current output is realized by presetting the current setting and the negative feedback of the output current. A current error amplifier with anti-integral saturation is designed. Negative feedback of inductor current was introduced to reduce the shock during system startup. In the constant voltage phase, the constant voltage output is achieved by setting the maximum duty cycle of the MOSFET. The system model was built using Simulink software, and the theoretical analysis was simulated and verified.
This paper introduces a control strategy for a power conversion device at the receiving end of an electric vehicle wireless charging system. The receiver circuit analysis is completed, and the equivalent circuit of the receiver resonance network is drawn. A constant voltage-constant current charging control strategy is designed. In the constant current phase, the current closed loop control is adopted, and the constant current output is realized by presetting the current setting and the negative feedback of the output current. A current error amplifier with anti-integral saturation is designed. Negative feedback of inductor current was introduced to reduce the shock during system startup. In the constant voltage phase, the constant voltage output is achieved by setting the maximum duty cycle of the MOSFET. The system model was built using Simulink software, and the theoretical analysis was simulated and verified.
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