功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式，电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
双反星型，平衡电抗器及平波输出电路，焊接电流稳定。
Double reversed star shape, interphase reactor, flat wave output circuit, stable welding current.
同时给出了一种简单实用、工作稳定且性能可靠的12V密封铅酸电池双电平浮充充电器的实际应用电路。
At the same time, the application circuit of12V sealed lead-Acid battery dual-level float charger, which is simple, feasible and stable is produced.
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