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干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)
(?) (?)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)广(Guang)泛(Fan)用(Yong)于(Yu)局(Ju)部(Bu)照(Zhao)明(Ming)、(?)高(Gao)层(Ceng)建(Jian)筑(Zhu) 、(?)机(Ji)场(Chang)，(?)码(Ma)头(Tou)CNC机(Ji)械(Xie)设(She)备(Bei)等(Deng)场(Chang)所(Suo)，(?)简(Jian)单(Dan)的(De)说(Shuo)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)就(Jiu)是(Shi)指(Zhi)铁(Tie)芯(Xin)和(He)绕(Rao)组(Zu)不(Bu)浸(Jin)渍(Zi)在(Zai)绝(Jue)缘(Yuan)油(You)中(Zhong)的(De)变(Bian)压(Ya)器(Qi)。(?)冷(Leng)却(Que)方(Fang)式(Shi)分(Fen)为(Wei)自(Zi)然(Ran)空(Kong)气(Qi)冷(Leng)却(Que)（(?)AN）(?)和(He)强(Qiang)迫(Po)空(Kong)气(Qi)冷(Leng)却(Que)（(?)AF）(?)。(?)自(Zi)然(Ran)空(Kong)冷(Leng)时(Shi)，(?)变(Bian)压(Ya)器(Qi)可(Ke)在(Zai)额(E)定(Ding)容(Rong)量(Liang)下(Xia)长(Chang)期(Qi)连(Lian)续(Xu)运(Yun)行(Xing)。(?)强(Qiang)迫(Po)风(Feng)冷(Leng)时(Shi)，(?)变(Bian)压(Ya)器(Qi)输(Shu)出(Chu)容(Rong)量(Liang)可(Ke)提(Ti)高(Gao)百(Bai)分(Fen)之(Zhi)五(Wu)十(Shi)。(?)适(Shi)用(Yong)于(Yu)断(Duan)续(Xu)过(Guo)负(Fu)荷(He)运(Yun)行(Xing)，(?)或(Huo)应(Ying)急(Ji)事(Shi)故(Gu)过(Guo)负(Fu)荷(He)运(Yun)行(Xing);由(You)于(Yu)过(Guo)负(Fu)荷(He)时(Shi)负(Fu)载(Zai)损(Sun)耗(Hao)和(He)阻(Zu)抗(Kang)电(Dian)压(Ya)增(Zeng)幅(Fu)较(Jiao)大(Da)，(?)处(Chu)于(Yu)非(Fei)经(Jing)济(Ji)运(Yun)行(Xing)状(Zhuang)态(Tai)，(?)故(Gu)不(Bu)应(Ying)使(Shi)其(Qi)处(Chu)于(Yu)长(Chang)时(Shi)间(Jian)连(Lian)续(Xu)过(Guo)负(Fu)荷(He)运(Yun)行(Xing)。(?)
(?) (?)
(?) (?)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)温(Wen)度(Du)标(Biao)准(Zhun)
(?) (?)国(Guo)家(Jia)标(Biao)准(Zhun)《(?)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)》(?)GB6450-1986对(Dui)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)的(De)温(Wen)升(Sheng)限(Xian)值(Zhi)做(Zuo)出(Chu)了(Liao)规(Gui)定(Ding)。(?)
(?) (?)一(Yi)、(?)对(Dui)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)的(De)线(Xian)圈(Quan)
(?) (?)1、(?)现(Xian)在(Zai)大(Da)多(Duo)数(Shu)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)都(Du)采(Cai)用(Yong)H级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)，(?)故(Gu)一(Yi)般(Ban)说(Shuo)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)的(De)温(Wen)度(Du)应(Ying)在(Zai)180℃(?)以(Yi)下(Xia)。(?)
(?) (?)2、(?)当(Dang)采(Cai)用(Yong)A级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)时(Shi)，(?)其(Qi)工(Gong)作(Zuo)温(Wen)度(Du)在(Zai)105℃(?)时(Shi)，(?)温(Wen)升(Sheng)应(Ying)小(Xiao)于(Yu)60K；(?)当(Dang)采(Cai)用(Yong)E级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)时(Shi)，(?)其(Qi)工(Gong)作(Zuo)温(Wen)度(Du)在(Zai)120℃(?)时(Shi)，(?)温(Wen)升(Sheng)应(Ying)小(Xiao)于(Yu)75K；(?)
(?) (?)3、(?)当(Dang)采(Cai)用(Yong)B级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)时(Shi)，(?)其(Qi)工(Gong)作(Zuo)温(Wen)度(Du)在(Zai)130℃(?)时(Shi)，(?)温(Wen)升(Sheng)应(Ying)小(Xiao)于(Yu)80K；(?)
(?) (?)4、(?)当(Dang)采(Cai)用(Yong)C级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)时(Shi)，(?)其(Qi)工(Gong)作(Zuo)温(Wen)度(Du)在(Zai)220℃(?)时(Shi)，(?)温(Wen)升(Sheng)应(Ying)小(Xiao)于(Yu)150K。(?)
(?) (?)5、(?)当(Dang)采(Cai)用(Yong)F级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)时(Shi)，(?)其(Qi)工(Gong)作(Zuo)温(Wen)度(Du)在(Zai)155℃(?)时(Shi)，(?)温(Wen)升(Sheng)应(Ying)小(Xiao)于(Yu)100K；(?)
(?) (?)6、(?)当(Dang)采(Cai)用(Yong)H级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)时(Shi)，(?)其(Qi)工(Gong)作(Zuo)温(Wen)度(Du)在(Zai)180℃(?)时(Shi)，(?)温(Wen)升(Sheng)应(Ying)小(Xiao)于(Yu)125K。(?)
(?) (?)二(?)、(?)铁(Tie)芯(Xin)、(?)金(Jin)属(Shu)部(Bu)件(Jian)和(He)与(Yu)其(Qi)相(Xiang)邻(Lin)的(De)材(Cai)料(Liao)，(?)在(Zai)任(Ren)何(He)情(Qing)况(Kuang)下(Xia)，(?)不(Bu)得(De)出(Chu)现(Xian)使(Shi)铁(Tie)芯(Xin)本(Ben)身(Shen)、(?)其(Qi)他(Ta)部(Bu)件(Jian)或(Huo)与(Yu)其(Qi)相(Xiang)邻(Lin)的(De)材(Cai)料(Liao)受(Shou)到(Dao)损(Sun)害(Hai)的(De)温(Wen)度(Du)。(?) 现(Xian)在(Zai)大(Da)多(Duo)数(Shu)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)都(Du)采(Cai)用(Yong)H级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)，(?)故(Gu)一(Yi)般(Ban)说(Shuo)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)的(De)温(Wen)度(Du)应(Ying)在(Zai)180℃(?)以(Yi)下(Xia)。(?)
(?) (?)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)温(Wen)度(Du)多(Duo)少(Shao)报(Bao)警(Jing)？(?)
(?) (?)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)一(Yi)般(Ban)是(Shi)130℃(?)报(Bao)警(Jing)。(?)
(?) (?)现(Xian)在(Zai)大(Da)多(Duo)数(Shu)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)都(Du)采(Cai)用(Yong)H级(Ji)绝(Jue)缘(Yuan)材(Cai)料(Liao)。(?)一(Yi)般(Ban)情(Qing)况(Kuang)下(Xia)，(?)变(Bian)压(Ya)器(Qi)正(Zheng)常(Chang)运(Yun)行(Xing)时(Shi)的(De)温(Wen)控(Kong)器(Qi)控(Kong)制(Zhi)设(She)置(Zhi)：(?)80℃(?)自(Zi)动(Dong)关(Guan)风(Feng)机(Ji)、(?)100℃(?)自(Zi)动(Dong)开(Kai)风(Feng)机(Ji)、(?)130℃(?)高(Gao)温(Wen)报(Bao)警(Jing)、(?)超(Chao)过(Guo)150℃(?)高(Gao)温(Wen)跳(Tiao)闸(Zha)。(?)
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