醫用(yong)(yong)(yong)(yong)隔離電(dian)(dian)(dian)(dian)源作(zuo)用(yong)(yong)(yong)(yong)如(ru)下：在醫用(yong)(yong)(yong)(yong)領域所(suo)有(you)(you)的以檢查為目的的， 與患(huan)(huan)者(zhe)(zhe)直接(jie)接(jie)觸(chu)的設備有(you)(you)三種應(ying)用(yong)(yong)(yong)(yong)情況：應(ying)用(yong)(yong)(yong)(yong)組0類(lei)：該醫用(yong)(yong)(yong)(yong)場(chang)所(suo)內(nei)(nei)沒有(you)(you)使(shi)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)網(wang)(wang)電(dian)(dian)(dian)(dian)源的醫用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)器設備。  例(li)(li)如(ru)：候診室等(deng)、應(ying)用(yong)(yong)(yong)(yong)組1類(lei)： 該醫用(yong)(yong)(yong)(yong)場(chang)所(suo)內(nei)(nei)有(you)(you)使(shi)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)網(wang)(wang)電(dian)(dian)(dian)(dian)源的醫用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)器設備，這(zhe)些設備沒有(you)(you)任何(he)部(bu)(bu)件插入患(huan)(huan)者(zhe)(zhe)體內(nei)(nei)的。例(li)(li)如(ru)：病房、產房等(deng)。應(ying)用(yong)(yong)(yong)(yong)組2類(lei)：該醫用(yong)(yong)(yong)(yong)場(chang)所(suo)內(nei)(nei)有(you)(you)使(shi)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)網(wang)(wang)電(dian)(dian)(dian)(dian)源的醫用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)器設備，這(zhe)些設備用(yong)(yong)(yong)(yong)于心臟(zang)或人體內(nei)(nei)部(bu)(bu)手術、對患(huan)(huan)者(zhe)(zhe)進(jin)行實(shi)時監視或用(yong)(yong)(yong)(yong)于維持患(huan)(huan)者(zhe)(zhe)生命等(deng)作(zuo)用(yong)(yong)(yong)(yong)。

類(lei)(lei)場(chang)所(suo)(suo)是指在(zai)醫(yi)用電(dian)(dian)(dian)氣設(she)備與(yu)人(ren)體有接觸但(dan)電(dian)(dian)(dian)源(yuan)中斷會引(yin)起生(sheng)命危險的(de)場(chang)所(suo)(suo)，例如室、手術室、ICU、CCU、DSA等場(chang)所(suo)(suo)。因此，在(zai)2類(lei)(lei)醫(yi)用場(chang)所(suo)(suo)中使用帶絕(jue)緣監視的(de)醫(yi)用隔離電(dian)(dian)(dian)源(yuan)系統(tong)(tong)，即醫(yi)用IT系統(tong)(tong)。醫(yi)用隔離電(dian)(dian)(dian)源(yuan)系統(tong)(tong)，又叫中性(xing)點(dian)不(bu)接地的(de)配(pei)電(dian)(dian)(dian)系統(tong)(tong)。該系統(tong)(tong)電(dian)(dian)(dian)源(yuan)側不(bu)接地或(huo)通過高(gao)阻抗接地，而在(zai)負(fu)荷側進行PE保護接地，因此，當出現漏電(dian)(dian)(dian)故障(zhang)(zhang)時(shi)，漏電(dian)(dian)(dian)電(dian)(dian)(dian)流較小，不(bu)會產(chan)生(sheng)很大的(de)接觸電(dian)(dian)(dian)壓威(wei)脅人(ren)身安(an)全(quan)，所(suo)(suo)以(yi)可(ke)不(bu)切斷電(dian)(dian)(dian)源(yuan)，使醫(yi)用設(she)備繼續工作，同時(shi)通過報警裝置提醒(xing)工作人(ren)員及時(shi)檢查并消(xiao)除故障(zhang)(zhang)。

手術室內的電(dian)源(yuan)插座由(you)3.15- 10kVA的ES0107隔(ge)(ge)(ge)離(li)(li)變(bian)壓(ya)(ya)器(qi)(qi)提(ti)供電(dian)力，107TD47絕緣(yuan)(yuan) 監(jian)視儀不(bu)僅監(jian)視該隔(ge)(ge)(ge)離(li)(li)電(dian)源(yuan)的對(dui)(dui)(dui)地絕緣(yuan)(yuan)阻抗，醫用隔(ge)(ge)(ge)離(li)(li)電(dian)源(yuan)柜，而且監(jian)視變(bian)壓(ya)(ya)器(qi)(qi)的負載(zai)電(dian)流和(he)變(bian)壓(ya)(ya)器(qi)(qi)繞組(zu)溫度，如果發生(sheng)對(dui)(dui)(dui)地絕緣(yuan)(yuan)阻抗下(xia)降至可(ke)調節的響應值以下(xia)、變(bian)壓(ya)(ya)器(qi)(qi)過負荷或變(bian)壓(ya)(ya)器(qi)(qi)超溫，107TD47將 顯(xian)示(shi)報警并(bing)輸出報警信號。眾所周(zhou)知(zhi)，當用電(dian)設備對(dui)(dui)(dui)人體心(xin)臟(zang)直(zhi)接漏電(dian)大于(yu)10uA 時，會(hui)造成對(dui)(dui)(dui)患者的微擊事故。據顯(xian)示(shi)功能系統(tong)可(ke)以以數(shu)值的形式，顯(xian)示(shi)各IT配電(dian)系統(tong)的絕緣(yuan)(yuan)狀(zhuang)(zhuang)況(kuang)、負載(zai)狀(zhuang)(zhuang)況(kuang)，以及隔(ge)(ge)(ge)離(li)(li)變(bian)壓(ya)(ya)器(qi)(qi)的溫升狀(zhuang)(zhuang)況(kuang)，以及它們的變(bian)化趨勢，以便(bian)于(yu)分管(guan)理(li)人員了解和(he)分析各電(dian)源(yuan)系統(tong)的運行變(bian)化情況(kuang)，有針對(dui)(dui)(dui)性(xing)的對(dui)(dui)(dui)某些(xie)系統(tong)進行維護和(he)保養。