UPQC with uninterrupted power source function
A power quality and regulator technology, applied in emergency power supply arrangement, AC network voltage adjustment, reactive power adjustment/elimination/compensation and other directions, can solve the problem of not having bidirectional DC-DC conversion function and UPQC not having soft start function , Unable to meet the voltage and voltage compensation requirements and other problems, to achieve the effect of enhancing the scope of power quality problems, high standby efficiency, and high cost performance
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[0021] The unified power quality conditioner with uninterruptible power supply function proposed by the present invention has a structure such as figure 1 As shown, it includes the first supercapacitor energy storage module, the second supercapacitor energy storage module, the third supercapacitor energy storage module, the first single-phase converter module, the second single-phase converter module, and the third single-phase converter module and bidirectional thyristor module; the first supercapacitor energy storage module, the second supercapacitor energy storage module and the third supercapacitor energy storage module are respectively connected with the first single-phase converter module, the second single-phase converter module and the The DC side of the third single-phase converter module is connected in parallel, and the AC output terminals of the first single-phase converter module, the second single-phase converter module and the third single-phase converter module ...
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