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本文着重阐述了一种新型单相应急电源(EPS)的设计,这种EPS采用高性能AVR单片机控制,单片机根据检测到的输入电压值来完成充电和逆变之间的切换,其充电电路和逆变电路共用同一全桥电路,充电系统采用Boost升压电路,使输入电流跟随给定的电流基准,从而达到功率因数校正的目的,实验验证了该设计的可行性。
This article focuses on the design of a new type of single-phase emergency power supply (EPS), this EPS using high-performance AVR microcontroller control, microcontroller based on the detected input voltage to complete the charge and inverter switching between the charging circuit and Inverter circuits share the same full-bridge circuit. The charging system uses a Boost boost circuit to make the input current follow a given current reference to achieve the purpose of power factor correction. The feasibility of this design is verified by experiments.