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隔離變壓器一般用以避免偶然同時觸及帶電體，通俗點來講就是把兩相電隔離開來，防止觸電事故的發生。隔離變壓器早期為歐洲國家應用于電力行業，如：電子工業或工礦企業、機床和機械設備中一般電路的控制電源、安全照明及指示燈的電源。更多隔離變壓器生產廠家的珍藏的小秘密，下述，將由小編一一為大家揭曉。
據相關調查(cha)顯示，我國(guo)的供電(dian)系統在供給低(di)壓用(yong)戶(hu)時，一般采取三相四線(xian)制，中性線(xian)接地(di)(di)(di)(di)，就(jiu)是(shi)到居民家的電(dian)線(xian)，一根是(shi)相線(xian)(火線(xian))，另一根是(shi)零線(xian)，它是(shi)和大地(di)(di)(di)(di)同(tong)地(di)(di)(di)(di)位(wei)(wei)，當人(ren)體(ti)由于觸(chu)及熱底板時，就(jiu)會(hui)使電(dian)流(liu)通過(guo)人(ren)體(ti)，和大地(di)(di)(di)(di)構成(cheng)回路，造(zao)成(cheng)觸(chu)電(dian)危害。如果(guo)使用(yong)隔(ge)離變壓器會(hui)相對安全些(xie)。其(qi)原因在于初級和次級是(shi)通過(guo)磁場來交換能量，沒有(you)物理硬連接，即使人(ren)體(ti)接觸(chu)帶電(dian)的物品(pin)，也會(hui)因人(ren)體(ti)與大地(di)(di)(di)(di)的位(wei)(wei)置一致，使帶電(dian)部位(wei)(wei)的電(dian)位(wei)(wei)處于低(di)電(dian)位(wei)(wei)，不(bu)會(hui)造(zao)成(cheng)觸(chu)電(dian)危害。
隔(ge)離(li)(li)變(bian)(bian)壓(ya)(ya)器(qi)種類較多，通常(chang)(chang)常(chang)(chang)見的有電(dian)力隔(ge)離(li)(li)變(bian)(bian)壓(ya)(ya)器(qi)，環形隔(ge)離(li)(li)變(bian)(bian)壓(ya)(ya)器(qi)及方(fang)形隔(ge)離(li)(li)變(bian)(bian)壓(ya)(ya)器(qi)等。其主要功能大致包括(kuo)：防止系(xi)統接(jie)地；電(dian)壓(ya)(ya)轉(zhuan)換(huan)(huan)；阻(zu)抗(kang)變(bian)(bian)換(huan)(huan)，即增加系(xi)統阻(zu)抗(kang)，使(shi)保護裝置等容易配合；安全保護；抗(kang)干擾，即能夠阻(zu)止一部(bu)分諧波的傳(chuan)輸；穩定(ding)系(xi)統電(dian)壓(ya)(ya)；、降低(di)短路電(dian)流。
另外(wai)，隔(ge)離變(bian)(bian)(bian)壓(ya)(ya)(ya)器在操作時也應當(dang)注意(yi)這(zhe)些(xie)問(wen)題：變(bian)(bian)(bian)壓(ya)(ya)(ya)器輸入端(duan)(duan)的電(dian)(dian)壓(ya)(ya)(ya)不(bu)能(neng)比額定電(dian)(dian)壓(ya)(ya)(ya)的10%還(huan)要高，否則可(ke)能(neng)會因變(bian)(bian)(bian)壓(ya)(ya)(ya)器過(guo)熱(re)而(er)損壞；變(bian)(bian)(bian)壓(ya)(ya)(ya)器接(jie)(jie)(jie)入的負載要避免(mian)超(chao)載，超(chao)載會使(shi)變(bian)(bian)(bian)壓(ya)(ya)(ya)器過(guo)熱(re)損壞；變(bian)(bian)(bian)壓(ya)(ya)(ya)器所(suo)接(jie)(jie)(jie)的負載要注意(yi)絕(jue)緣(yuan)隔(ge)離，避免(mian)碰線(xian)造(zao)成短路，燒壞變(bian)(bian)(bian)壓(ya)(ya)(ya)器；變(bian)(bian)(bian)壓(ya)(ya)(ya)器輸入輸出端(duan)(duan)要按標(biao)簽的標(biao)識接(jie)(jie)(jie)線(xian)，避免(mian)輸入輸出端(duan)(duan)接(jie)(jie)(jie)反了使(shi)變(bian)(bian)(bian)壓(ya)(ya)(ya)器燒壞。
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