AC C-TEC系列的(de)(de)緩沖(chong)直流電(dian)(dian)源(yuan)包括(kuo)超級(ji)電(dian)(dian)容器(qi)(qi)作為外(wai)殼內的(de)(de)能(neng)量(liang)存儲。在正常(chang)工作期間,該電(dian)(dian)容器(qi)(qi)由(you)交流電(dian)(dian)源(yuan)充(chong)電(dian)(dian)。連接的(de)(de)直流用(yong)電(dian)(dian)設備也(ye)由(you)交流電(dian)(dian)源(yuan)供電(dian)(dian)。在交流電(dian)(dian)源(yuan)中斷的(de)(de)情況下,超級(ji)電(dian)(dian)容器(qi)(qi)的(de)(de)能(neng)量(liang)會被重新調節。對于dc/dc轉換器(qi)(qi),負載由(you)電(dian)(dian)容器(qi)(qi)提供,直到其放(fang)電(dian)(dian)。備份時間取決于電(dian)(dian)容器(qi)(qi)的(de)(de)充(chong)電(dian)(dian)狀態和(he)放(fang)電(dian)(dian)電(dian)(dian)流。