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四(si)川智(zhi)能應急(ji)電(dian)源(yuan)(yuan):ZG-D(YJD/S)系列EPS單(dan)/三相智(zhi)能應急(ji)電(dian)源(yuan)(yuan)1、產品原理當(dang)市電(dian)正常(chang)時,由市電(dian)經過(guo)互投裝置給負載供電(dian),同時充(chong)電(dian)器給備用電(dian)池(chi)進行智(zhi)能充(chong)電(dian)。當(dang)市電(dian)斷(duan)電(dian),或超過(guo)正常(chang)電(dian)壓的20%時,由...