熱效(xiao)率(lv)條(tiao)件(jian)表能夠用來在線預估兩相電三極管的工率質條件，也能夠用來在線預估中點可配的相對性380V電三極管的工率質條件，這時候電表的輸出電率端應接相輸出電率。對中點不可配的相對性380V電三極管，可采取380V電工率質條件表來在線預估。
1、一般錯誤碼及完(wan)成技(ji)術
(1)儀容儀表(biao)操控(kong)方(fang)式有斷(duan)(duan)開處。全面檢查斷(duan)(duan)開處，并撥通斷(duan)(duan)開點。
(2)直(zhi)流(liu)電(dian)互紅外感應器多(duo)次(ci)側連結(jie)點(dian)有掉線處。撿(jian)(jian)查電(dian)原，耐(nai)心撿(jian)(jian)查多(duo)次(ci)側斷路點(dian)，并撥通多(duo)次(ci)側輸(shu)電(dian)線路。
(3)直流(liu)電流(liu)電壓互(hu)傳(chuan)紅外感(gan)應(ying)器三次側斷路或不導通(tong)。換(huan)新(xin)不導通(tong)的直流(liu)電流(liu)電壓互(hu)傳(chuan)紅外感(gan)應(ying)器或修復系(xi)統(tong)再換(huan)。
(4)電原的電壓熔(rong)絲燒毀。變更熔(rong)絲。
(5)交流電源表(biao)游絲卡住，表(biao)殼(ke)靜(jing)摩擦發展阻(zu)力大。瀏(liu)覽(lan)器(qi)打(da)開交流電源表(biao)修改游絲，效正表(biao)殼(ke)。
(6)用(yong)電(dian)(dian)(dian)表(biao)內外電(dian)(dian)(dian)流大(da)小(xiao)電(dian)(dian)(dian)機(ji)轉(zhuan)子或(huo)交流電(dian)(dian)(dian)壓(ya)電(dian)(dian)(dian)機(ji)轉(zhuan)子故障(zhang)。撤(che)換故障(zhang)的(de)電(dian)(dian)(dian)機(ji)轉(zhuan)子。
2、馬力質(zhi)因(yin)數表顯(xian)示對不上(shang)的發動機故障(zhang)緣由及(ji)檢測具體方法(fa)以下的。
(1)工(gong)作(zuo)電(dian)阻電(dian)磁鐵相位接錯(cuo)。對(dui)比(bi)工(gong)作(zuo)熱效率表或工(gong)作(zuo)熱效率質數(shu)表插頭(tou)接線處(chu)圖(tu)再次處(chu)理工(gong)作(zuo)電(dian)阻電(dian)磁鐵的相位接法。
(2)相(xiang)電壓(ya)(ya)互傳紅外(wai)感(gan)應器未(wei)按(an)設定(ding)變壓(ya)(ya)比(bi)連到。審核電磁能表，按(an)設定(ding)變壓(ya)(ya)比(bi)使(shi)互傳紅外(wai)感(gan)應器與(yu)電磁能表連到。
(3)直流電(dian)(dian)量次(ci)級電(dian)(dian)感(gan)電(dian)(dian)磁(ci)鐵(tie)相(xiang)(xiang)位(wei)接錯。還要注意直流電(dian)(dian)量次(ci)級電(dian)(dian)感(gan)電(dian)(dian)磁(ci)鐵(tie)應用能量表(biao)的相(xiang)(xiang)位(wei)順尋，嚴格執行(xing)依照合理接線柱措施(shi)壞點(dian)重(zhong)新無線連接直流電(dian)(dian)量次(ci)級電(dian)(dian)感(gan)電(dian)(dian)磁(ci)鐵(tie)。
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