Based on the mathematic model of the soil cool charge and discharge system, simulates the integrated system.

通过建立土壤蓄冷、释冷的数学模型，对土壤蓄冷与土壤耦合热泵集成系统进行了数值模拟。

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So, high frequency, high efficiency and small volume. A high-efficiency, high-power and energy-saving PWM storage battery charge and discharge system is presented in this paper.

为此本文针对实际需求，对PWM蓄电池充放电系统进行研究，设计了一种高效、高功率、节能的蓄电池充放电系统。

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Moreover, I designed, factured, and debugged the system circuit of boosting charge and impulsive discharge, and taked part in experiment, installation and debugging of the whole device.

在导师的指导下完成了冲放电单元电路的设计、制作和调试，并参与整机的安装、调试和实验。

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