簡(jian)要描述：從結構型式(shi)(shi)(shi)上分(fen)，可(ke)分(fen)為：單(dan)(dan)相(xiang)(xiang)(xiang)鐵殼式(shi)(shi)(shi)，單(dan)(dan)相(xiang)(xiang)(xiang)鐵殼串級式(shi)(shi)(shi)，單(dan)(dan)相(xiang)(xiang)(xiang)絕(jue)緣(yuan)筒外殼式(shi)(shi)(shi)和單(dan)(dan)相(xiang)(xiang)(xiang)絕(jue)緣(yuan)筒外串級四種(zhong)。單(dan)(dan)相(xiang)(xiang)(xiang)鐵殼式(shi)(shi)(shi)般適用(yong)于(yu)電(dian)(dian)(dian)壓(ya)、容(rong)量(liang)較低且(qie)便(bian)于(yu)攜帶或電(dian)(dian)(dian)壓(ya)容(rong)量(liang)較大固(gu)定(ding)式(shi)(shi)(shi)，但對局(ju)部放電(dian)(dian)(dian)量(liang)要求較低的(de)氣場合(he)，電(dian)(dian)(dian)壓(ya)不(bu)太高，且(qie)比較固(gu)定(ding)使(shi)用(yong)的(de)場合(he)；單(dan)(dan)相(xiang)(xiang)(xiang)絕(jue)緣(yuan)筒式(shi)(shi)(shi)串級式(shi)(shi)(shi)，主要適用(yong)于(yu)對局(ju)部放電(dian)(dian)(dian)要求較高，電(dian)(dian)(dian)壓(ya)高、容(rong)量(liang)大，或電(dian)(dian)(dian)壓(ya)低容(rong)量(liang)小，便(bian)于(yu)攜帶的(de)場合(he)，以上四種(zhong)型號用(yong)戶根據不(bu)同要求自行(xing)選擇。