溫度丶(dian)低(di)氣(qi)壓丶(dian)機(ji)械(xie)設(she)備(bei)對(dui)繼電(dian)器的影(ying)響
1.溫度對(dui)繼(ji)電(dian)器的影(ying)響
繼電(dian)器是怕高(gao)溫元器(qi)件(jian),高(gao)溫可(ke)加速繼(ji)電(dian)器的內(nei)部(bu)塑(su)料(liao)及(ji)電(dian)纜護(hu)套原材料(liao)的老化(hua),觸點被氧(yang)化(hua)腐蝕而熄(xi)弧艱(jian)辛,電(dian)電(dian)子器(qi)件(jian)技(ji)術(shu)參(can)數核衰變(bian),可(ke)靠水(shui)準降低(di),由於高(gao)壓斷(duan)路(lu)器內部裝(zhuang)有(you)驅(qu)潮(chao)和保溫隔(ge)熱的電(dian)加熱裝(zhuang)置(zhi),因(yin)此,在(zai)所(suo)有(you)自(zi)動控(kong)制(zhi)系統設(she)計方(fang)案時(shi)不(bu)可(ke)以將繼(ji)電(dian)器靠近(jin)驅潮(chao)和保溫隔(ge)熱的電(dian)加熱裝(zhuang)置(zhi),並(bing)且理(li)應長(chang)期(qi)保持的空氣(qi)流(liu)通規範(fan)。雖然(ran)繼(ji)電(dian)器是怕高(gao)溫電(dian)子器(qi)件(jian),但(dan)是過低(di)的溫度也(ye)不(bu)能(neng)忽視,低(di)溫可(ke)使(shi)觸點冷粘作用(yong)加劇,觸點表面(mian)起(qi)露,很(hen)多(duo)生產(chan)商的繼(ji)電(dian)器表明(ming)至(zhi)少(shao)溫度為(wei)壹25℃,但是高(gao)壓斷(duan)路(lu)器應用(yong)在寒冷地區也(ye)不(bu)在少(shao)數,因(yin)此建(jian)議(yi)型(xing)號(hao)規格挑選(xuan)時(shi)註(zhu)意留余(yu)地,避免(mian)繼(ji)電(dian)器由於低溫而不(bu)可(ke)靠,適(shi)當情況(kuang)下到(dao)寒冷地區提(ti)高(gao)電(dian)加熱裝(zhuang)置(zhi),確(que)保繼(ji)電(dian)器在(zai)低(di)溫下可(ke)靠運行,保證(zheng) 所(suo)有(you)系統運行穩(wen)定。
2.低(di)氣(qi)壓對(dui)繼(ji)電(dian)器的影(ying)響
在低(di)氣(qi)壓規(gui)範(fan)下,繼(ji)電(dian)器的散(san)熱(re)規(gui)範(fan)遭受(shou)影(ying)響,磁(ci)鐵線圈(quan)溫度升(sheng)高(gao),使(shi)繼(ji)電(dian)器得出(chu)的吸(xi)合(he)、釋(shi)放(fang)出基本參數造(zao)成(cheng)轉(zhuan)變,影(ying)響繼電(dian)器的壹切正常工(gong)作上,低氣(qi)壓還(hai)可(ke)使(shi)繼(ji)電(dian)器接地線(xian)電(dian)阻(zu)降(jiang)低,觸點熄弧艱(jian)辛,很容易(yi)使(shi)觸點燒融,影(ying)響繼電(dian)器的可(ke)靠性,針對低氣(qi)壓規(gui)範(fan)下,建(jian)議(yi)采(cai)用(yong)全部機(ji)械(xie)設(she)備(bei)密閉(bi)性的方(fang)法(fa)。
3.工(gong)業(ye)設(she)備(bei)應力(li)對繼電(dian)器的影(ying)響
重要指(zhi)振(zhen)動、破壞(huai)性、碰撞等應力(li)要素對全自(zi)動自(zi)動控(kong)制(zhi)系統的抗自(zi)然(ran)災(zai)害(hai)應力(li)作用(yong)、抗工(gong)業(ye)設(she)備(bei)應力(li)作用(yong),高(gao)壓斷(duan)路(lu)器中刀閘的自(zi)振及(ji)分(fen)重(zhong)合(he)閘操作過程導(dao)致(zhi)的振(zhen)動對繼(ji)電(dian)器影(ying)響高(gao)些,理(li)應選(xuan)用(yong)平衡(heng)流(liu)線圈機(ji)構(gou)的中(zhong)問(wen)繼(ji)電(dian)器,對(dui)於(yu)感應線(xian)圈繼電(dian)器黃(huang)片(pian)均為懸(xuan)梁結(jie)構,固(gu)有頻(pin)率(lv)低,波(bo)動和破壞(huai)性可(ke)導(dao)致(zhi)並聯諧(xie)振,導(dao)致(zhi)繼電(dian)器觸點壓力(li)減(jian)少(shao),很容易(yi)導(dao)致(zhi)壹瞬間(jian)斷(duan)開(kai)或觸點產生晃(huang)動,影(ying)響繼電(dian)器的可(ke)靠性,建(jian)議(yi)在(zai)方(fang)案設(she)計中盡(jin)量采(cai)用(yong)抗震防範(fan)措(cuo)施(shi)避免(mian)導(dao)致(zhi)並聯諧(xie)振。