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Design of single phase double conversion UPS based on stm32

Xie shaocong   Luo Zefeng   Zhang Yang   Xu Qin  
[Abstract]: Uninterruptible power supply can meet the needs of people's scientific research and life. Among them, double conversion On-line UPS can realize uninterrupted power supply to load, zero time switching between municipal power supply and battery power supply, and has excellent transient characteristics of output voltage, which can meet the power quality requirements of load side. The author mainly makes a single-phase dual conversion UPS, which can realize the single-phase online ups with battery charging management, under voltage protection, over-current protection and adjustable input amplitude, output amplitude and frequency.
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