下面是電力電容器廠家小編對測試電容是否短路及開路的介紹。
a. 用(yong)指針(zhen)萬用(yong)表(biao)(biao)測(ce)量方(fang)法(fa)：開(kai)(kai)始(shi)時打(da)到電(dian)(dian)阻(zu)檔，兩表(biao)(biao)筆任意接電(dian)(dian)容(rong)(rong)的(de)兩個(ge)(ge)腳(jiao)，然后兩表(biao)(biao)筆對(dui)調一下再測(ce)量，按此方(fang)法(fa)循(xun)環幾(ji)次，每次都(dou)要(yao)注(zhu)意萬用(yong)表(biao)(biao)的(de)指針(zhen)擺動(dong)幅度，如(ru)果擺動(dong)之后沒有(you)慢慢的(de)往回(hui)歸(gui)位，就說明(ming)(ming)該電(dian)(dian)容(rong)(rong)器故障為短(duan)路(lu)；如(ru)果萬用(yong)表(biao)(biao)指針(zhen)靜止(zhi)不動(dong)，就表(biao)(biao)明(ming)(ming)電(dian)(dian)容(rong)(rong)器開(kai)(kai)路(lu)故障。如(ru)果電(dian)(dian)表(biao)(biao)指針(zhen)會擺動(dong)也會慢慢的(de)歸(gui)位，那說明(ming)(ming)這個(ge)(ge)電(dian)(dian)容(rong)(rong)既(ji)沒有(you)短(duan)路(lu)也沒有(you)開(kai)(kai)路(lu)。
b. 用(yong)(yong)(yong)數字(zi)萬(wan)用(yong)(yong)(yong)表(biao)(biao)測(ce)量(liang)方法(fa)：開始時打到叫檔，兩表(biao)(biao)筆接電容(rong)(rong)器(qi)(qi)的(de)兩個腳，如(ru)果萬(wan)用(yong)(yong)(yong)表(biao)(biao)一(yi)直滴(di)(di)滴(di)(di)的(de)叫，就說明電容(rong)(rong)器(qi)(qi)短路(lu)(lu)；如(ru)果測(ce)量(liang)過程(cheng)中(zhong)萬(wan)用(yong)(yong)(yong)表(biao)(biao)一(yi)點聲音都(dou)沒有，就表(biao)(biao)示(shi)電容(rong)(rong)器(qi)(qi)開路(lu)(lu)；如(ru)果萬(wan)用(yong)(yong)(yong)表(biao)(biao)從(cong)叫到不叫，表(biao)(biao)示(shi)電容(rong)(rong)器(qi)(qi)完好無(wu)故(gu)障；按以(yi)上方法(fa)循(xun)環(huan)測(ce)試(shi)幾次既可。注(zhu)（電容(rong)(rong)器(qi)(qi)容(rong)(rong)量(liang)越(yue)大(da)叫的(de)時間(jian)越(yue)長）。
有些特(te)殊的(de)(de)漏(lou)電(dian)(dian)(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)，用(yong)上(shang)述(shu)方(fang)法不容(rong)易準(zhun)確判斷出來。當(dang)電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)的(de)(de)耐壓(ya)值(zhi)大于萬用(yong)表(biao)(biao)(biao)(biao)內電(dian)(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)(dian)壓(ya)值(zhi)時，根(gen)據電(dian)(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)正向充(chong)電(dian)(dian)(dian)(dian)(dian)時漏(lou)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流小(xiao)，反向充(chong)電(dian)(dian)(dian)(dian)(dian)時漏(lou)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流大的(de)(de)特(te)點(dian)，一般將萬用(yong)表(biao)(biao)(biao)(biao)調到R×10K擋(dang)位(wei)，對電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)反向充(chong)電(dian)(dian)(dian)(dian)(dian)，觀察表(biao)(biao)(biao)(biao)針停(ting)留(liu)處是否(fou)穩定(ding)（即反向漏(lou)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流是否(fou)恒定(ding)），這種方(fang)法判斷電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)質量準(zhun)確度一般較高。將黑表(biao)(biao)(biao)(biao)筆接(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)的(de)(de)負(fu)極(ji)，紅表(biao)(biao)(biao)(biao)筆接(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)的(de)(de)正極(ji)，如(ru)(ru)果表(biao)(biao)(biao)(biao)針迅速擺起，然(ran)后(hou)逐漸回歸至某處靜止不動，則表(biao)(biao)(biao)(biao)明電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)是完(wan)好(hao)的(de)(de)；如(ru)(ru)果表(biao)(biao)(biao)(biao)針在(zai)某位(wei)置停(ting)留(liu)不穩或停(ting)留(liu)后(hou)又逐漸向右移(yi)動，表(biao)(biao)(biao)(biao)明電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)已經漏(lou)電(dian)(dian)(dian)(dian)(dian)，已不能繼續使用(yong)。如(ru)(ru)果表(biao)(biao)(biao)(biao)針停(ting)留(liu)并(bing)穩定(ding)在(zai)50－200K刻度范圍內，表(biao)(biao)(biao)(biao)示電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)完(wan)好(hao)。
選購工業(ye)電(dian)(dian)容器需(xu)選擇正規的生產廠家，從(cong)而(er)確保(bao)產品(pin)的質量(liang)。如果你還有什么不清(qing)楚的，可以(yi)我們的電(dian)(dian)容器廠家電(dian)(dian)話。
