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四川智(zhi)能應急電(dian)(dian)(dian)源：ZG-D(YJD/S)系列EPS單/三相智(zhi)能應急電(dian)(dian)(dian)源1、產品原理當市(shi)電(dian)(dian)(dian)正常時，由市(shi)電(dian)(dian)(dian)經過互投裝(zhuang)置給負載供電(dian)(dian)(dian)，同時充電(dian)(dian)(dian)器給備(bei)用電(dian)(dian)(dian)池進行智(zhi)能充電(dian)(dian)(dian)。當市(shi)電(dian)(dian)(dian)斷電(dian)(dian)(dian)，或超過正常電(dian)(dian)(dian)壓的20%時，由...