基于软开关的MPPT电荷调节器电路仿真

2022 5th International Conference on Energy, Electrical and Power Engineering (CEEPE) Pub Date : 2022-04-22 DOI:10.1109/CEEPE55110.2022.9783395

Ziwen Fang, Yahong Yang, Zhiqi Lu, Aiwei Yang, Xiaobin He

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引用次数: 0

摘要

为了提高太阳能电池的能量利用率，降低开关损耗，提出了一种最大功率点跟踪(MPPT)控制策略来控制Buck变换器，实现软开关:在不连续导通模式(DCM)下设计最大功率点跟踪控制Buck模式，通过电感、MOSFET结电容和二极管结电容的共振来实现MOSFET的软开关。然后，分析了产生共振的条件。最后在PLECS中完成仿真验证。

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Circuit Simulation of MPPT Charge Regulator Based on Soft Switching

In order to improve the energy utilization rate of solar cells, as well as reduce the switching loss, a Maximum Power Point Tracking (MPPT) control strategy is proposed to control the Buck converter and realize soft switching: The MPPT control Buck mode is designed in the discontinuous conduction mode (DCM), the soft switching of MOSFET is achieved by the resonance of inductance, junction capacitance of MOSFET and junction capacitance of diode. Then, the conditions for generating resonance are analyzed. Finally, the simulation verification is completed in PLECS.

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2022 5th International Conference on Energy, Electrical and Power Engineering (CEEPE)

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