对(Dui)于(Yu)刚(Gang)刚(Gang)接(Jie)触(Chu)变(Bian)压(Ya)器(Qi)知(Zhi)识(Shi)的(De)电(Dian)源(Yuan)新(Xin)手(Shou)来(Lai)说(Shuo),(?)在(Zai)大(Da)量(Liang)的(De)基(Ji)本(Ben)概(Gai)念(Nian)中(Zhong)总(Zong)是(Shi)存(Cun)在(Zai)着(Zhuo)一(Yi)些(Xie)容(Rong)易(Yi)混(Hun)淆(Xiao)的(De)知(Zhi)识(Shi)点(Dian)。(?)变(Bian)压(Ya)器(Qi)空(Kong)载(Zai)运(Yun)行(Xing)于(Yu)变(Bian)压(Ya)器(Qi)负(Fu)载(Zai)运(Yun)行(Xing)其(Qi)中(Zhong)之(Zhi)一(Yi)。(?)虽(Sui)然(Ran)有(You)大(Da)量(Liang)的(De)资(Zi)料(Liao)对(Dui)于(Yu)这(Zhe)两(Liang)个(Ge)概(Gai)念(Nian)分(Fen)别(Bie)进(Jin)行(Xing)解(Jie)释(Shi),(?)但(Dan)却(Que)少(Shao)有(You)资(Zi)料(Liao)会(Hui)对(Dui)二(?)者(Zhe)的(De)区(Qu)别(Bie)加(Jia)以(Yi)讲(Jiang)解(Jie)。(?)
变(Bian)压(Ya)器(Qi)空(Kong)载(Zai)运(Yun)行(Xing)
变(Bian)压(Ya)器(Qi)的(De)空(Kong)载(Zai)运(Yun)行(Xing)是(Shi)指(Zhi)变(Bian)压(Ya)器(Qi)的(De)一(Yi)次(Ci)绕(Rao)组(Zu)接(Jie)入(Ru)电(Dian)源(Yuan),(?)二(?)次(Ci)绕(Rao)组(Zu)开(Kai)路(Lu)的(De)工(Gong)作(Zuo)状(Zhuang)态(Tai)。(?)此(Ci)时(Shi),(?)一(Yi)次(Ci)绕(Rao)组(Zu)中(Zhong)的(De)电(Dian)流(Liu)称(Cheng)为(Wei)变(Bian)压(Ya)器(Qi)的(De)空(Kong)载(Zai)电(Dian)流(Liu)。(?)空(Kong)载(Zai)电(Dian)流(Liu)产(Chan)生(Sheng)空(Kong)载(Zai)磁(Ci)场(Chang)。(?)在(Zai)主(Zhu)磁(Ci)场(Chang)((?)即(Ji)同(Tong)时(Shi)交(Jiao)联(Lian)一(Yi)、(?)二(?)绕(Rao)组(Zu)的(De)磁(Ci)场(Chang))(?)作(Zuo)用(Yong)下(Xia),(?)一(Yi)、(?)二(?)次(Ci)绕(Rao)组(Zu)中(Zhong)便(Bian)感(Gan)应(Ying)出(Chu)电(Dian)动(Dong)势(Shi)。(?)
变(Bian)压(Ya)器(Qi)空(Kong)载(Zai)运(Yun)行(Xing)时(Shi),(?)虽(Sui)然(Ran)二(?)次(Ci)侧(Ce)没(Mei)有(You)功(Gong)率(Lu)输(Shu)出(Chu),(?)但(Dan)一(Yi)次(Ci)侧(Ce)仍(Reng)然(Ran)从(Cong)电(Dian)网(Wang)吸(Xi)取(Qu)一(Yi)部(Bu)分(Fen)的(De)有(You)功(Gong)功(Gong)率(Lu),(?)来(Lai)补(Bu)偿(Chang)因(Yin)为(Wei)磁(Ci)通(Tong)饱(Bao)和(He),(?)在(Zai)铁(Tie)芯(Xin)内(Nei)引(Yin)起(Qi)的(De)磁(Ci)滞(Zhi)损(Sun)耗(Hao)和(He)涡(Wo)流(Liu)损(Sun)耗(Hao)简(Jian)称(Cheng)铁(Tie)耗(Hao)。(?)磁(Ci)滞(Zhi)损(Sun)耗(Hao)的(De)大(Da)小(Xiao)取(Qu)决(Jue)于(Yu)电(Dian)源(Yuan)的(De)频(Pin)率(Lu)和(He)铁(Tie)芯(Xin)材(Cai)料(Liao)磁(Ci)滞(Zhi)回(Hui)线(Xian)的(De)面(Mian)积(Ji);(?)涡(Wo)流(Liu)损(Sun)耗(Hao)与(Yu)大(Da)磁(Ci)通(Tong)密(Mi)度(Du)和(He)频(Pin)率(Lu)的(De)平(Ping)方(Fang)成(Cheng)正(Zheng)比(Bi)。(?)另(Ling)外(Wai)还(Huan)存(Cun)在(Zai)空(Kong)载(Zai)电(Dian)流(Liu)引(Yin)起(Qi)的(De)铜(Tong)耗(Hao)。(?)对(Dui)于(Yu)不(Bu)同(Tong)容(Rong)量(Liang)的(De)变(Bian)压(Ya)器(Qi),(?)空(Kong)载(Zai)电(Dian)流(Liu)和(He)空(Kong)载(Zai)损(Sun)耗(Hao)的(De)大(Da)小(Xiao)是(Shi)不(Bu)同(Tong)的(De)。(?)
变(Bian)压(Ya)器(Qi)负(Fu)载(Zai)运(Yun)行(Xing)
变(Bian)压(Ya)器(Qi)的(De)负(Fu)载(Zai)运(Yun)行(Xing)是(Shi)指(Zhi)原(Yuan)绕(Rao)组(Zu)接(Jie)入(Ru)电(Dian)源(Yuan)电(Dian)压(Ya),(?)副(Fu)绕(Rao)租(Zu)接(Jie)负(Fu)载(Zai)时(Shi)的(De)工(Gong)作(Zuo)状(Zhuang)况(Kuang)。(?)这(Zhe)时(Shi)变(Bian)压(Ya)器(Qi)的(De)副(Fu)边(Bian)也(Ye)有(You)电(Dian)流(Liu)流(Liu)通(Tong),(?)原(Yuan)变(Bian)的(De)接(Jie)入(Ru)电(Dian)路(Lu)与(Yu)空(Kong)载(Zai)相(Xiang)比(Bi)相(Xiang)应(Ying)大(Da),(?)副(Fu)边(Bian)端(Duan)电(Dian)压(Ya)将(Jiang)受(Shou)到(Dao)负(Fu)载(Zai)的(De)影(Ying)响(Xiang)而(?)发(Fa)生(Sheng)变(Bian)化(Hua)。(?)
正(Zheng)常(Chang)周(Zhou)期(Qi)性(Xing)负(Fu)载(Zai)的(De)运(Yun)行(Xing):(?)
1、(?)变(Bian)压(Ya)器(Qi)在(Zai)额(E)定(Ding)使(Shi)用(Yong)条(Tiao)件(Jian)下(Xia),(?)全(Quan)年(Nian)可(Ke)按(An)额(E)定(Ding)电(Dian)流(Liu)运(Yun)行(Xing)。(?)
2、(?)变(Bian)压(Ya)器(Qi)允(Yun)许(Xu)在(Zai)平(Ping)均(Jun)相(Xiang)对(Dui)老(Lao)化(Hua)率(Lu)小(Xiao)于(Yu)或(Huo)等(Deng)于(Yu)1的(De)情(Qing)况(Kuang)下(Xia),(?)周(Zhou)期(Qi)性(Xing)地(Di)超(Chao)额(E)定(Ding)电(Dian)流(Liu)运(Yun)行(Xing)。(?)
3、(?)当(Dang)变(Bian)压(Ya)器(Qi)有(You)较(Jiao)严(Yan)重(Zhong)的(De)缺(Que)口(Kou)((?)如(Ru)冷(Leng)系(Xi)统(Tong)不(Bu)正(Zheng)常(Chang)、(?)严(Yan)重(Zhong)漏(Lou)油(You)、(?)有(You)局(Ju)部(Bu)过(Guo)热(Re)现(Xian)象(Xiang)、(?)油(You)中(Zhong)溶(Rong)解(Jie)气(Qi)体(Ti)分(Fen)析(Xi)结(Jie)果(Guo)异(Yi)常(Chang)等(Deng))(?)或(Huo)绝(Jue)缘(Yuan)有(You)弱(Ruo)点(Dian)时(Shi),(?)不(Bu)宜(Yi)超(Chao)额(E)定(Ding)电(Dian)流(Liu)运(Yun)行(Xing)。(?)
4、(?)正(Zheng)常(Chang)周(Zhou)期(Qi)性(Xing)负(Fu)载(Zai)运(Yun)行(Xing)方(Fang)式(Shi)下(Xia),(?)超(Chao)额(E)定(Ding)电(Dian)流(Liu)运(Yun)行(Xing)时(Shi),(?)允(Yun)许(Xu)的(De)负(Fu)载(Zai)系(Xi)数(Shu)K2和(He)时(Shi)间(Jian),(?)可(Ke)按(An)负(Fu)载(Zai)导(Dao)则(Ze)的(De)方(Fang)法(Fa)之(Zhi)一(Yi)确(Que)定(Ding)。(?)
二(?)者(Zhe)的(De)区(Qu)别(Bie)
变(Bian)压(Ya)器(Qi)空(Kong)载(Zai)运(Yun)行(Xing)与(Yu)负(Fu)载(Zai)运(Yun)行(Xing)的(De)主(Zhu)要(Yao)区(Qu)别(Bie)主(Zhu)要(Yao)体(Ti)现(Xian)在(Zai)次(Ci)级(Ji)线(Xian)圈(Quan)中(Zhong),(?)变(Bian)压(Ya)器(Qi)负(Fu)载(Zai)运(Yun)行(Xing)次(Ci)级(Ji)线(Xian)圈(Quan)接(Jie)负(Fu)载(Zai),(?)产(Chan)生(Sheng)功(Gong)率(Lu)大(Da),(?)空(Kong)载(Zai)运(Yun)行(Xing)次(Ci)级(Ji)线(Xian)圈(Quan)开(Kai)路(Lu),(?)产(Chan)生(Sheng)微(Wei)功(Gong)率(Lu)。(?)
变(Bian)压(Ya)器(Qi)利(Li)用(Yong)电(Dian)磁(Ci)感(Gan)应(Ying)的(De)原(Yuan)理(Li)来(Lai)改(Gai)变(Bian)交(Jiao)流(Liu)电(Dian)压(Ya)的(De)装(Zhuang)置(Zhi),(?)主(Zhu)要(Yao)构(Gou)件(Jian)是(Shi)初(Chu)级(Ji)线(Xian)圈(Quan)、(?)次(Ci)级(Ji)线(Xian)圈(Quan)和(He)铁(Tie)心(Xin)((?)磁(Ci)芯(Xin))(?)。(?)在(Zai)电(Dian)器(Qi)设(She)备(Bei)和(He)无(Wu)线(Xian)电(Dian)路(Lu)中(Zhong)常(Chang)用(Yong)作(Zuo)升(Sheng)降(Jiang)电(Dian)压(Ya)、(?)匹(Pi)配(Pei)阻(Zu)抗(Kang),(?)全(Quan)隔(Ge)离(Li)等(Deng)。(?)变(Bian)压(Ya)器(Qi)空(Kong)载(Zai)运(Yun)行(Xing)时(Shi),(?)只(Zhi)消(Xiao)耗(Hao)空(Kong)载(Zai)损(Sun)耗(Hao),(?)即(Ji)铁(Tie)损(Sun)和(He)杂(Za)散(San),(?)它(Ta)是(Shi)总(Zong)容(Rong)量(Liang)的(De)6负(Fu)载(Zai)运(Yun)行(Xing)时(Shi)是(Shi)空(Kong)载(Zai)损(Sun)耗(Hao)+负(Fu)载(Zai)损(Sun)耗(Hao),(?)即(Ji)铜(Tong)损(Sun)是(Shi)变(Bian)压(Ya)器(Qi)的(De)总(Zong)消(Xiao)耗(Hao)。(?)
本(Ben)文(Wen)对(Dui)变(Bian)压(Ya)器(Qi)空(Kong)载(Zai)运(Yun)行(Xing)与(Yu)负(Fu)载(Zai)运(Yun)行(Xing)分(Fen)别(Bie)进(Jin)行(Xing)了(Liao)介(Jie)绍(Shao),(?)在(Zai)完(Wan)成(Cheng)了(Liao)基(Ji)础(Chu)知(Zhi)识(Shi)的(De)铺(Pu)垫(Dian)后(Hou)便(Bian)对(Dui)两(Liang)者(Zhe)的(De)区(Qu)别(Bie)加(Jia)以(Yi)详(Xiang)尽(Jin)的(De)解(Jie)释(Shi),(?)是(Shi)非(Fei)常(Chang)适(Shi)合(He)新(Xin)手(Shou)进(Jin)行(Xing)阅(Yue)读(Du)的(De)一(Yi)篇(Pian)文(Wen)章(Zhang)。(?)希(Xi)望(Wang)各(Ge)位(Wei)对(Dui)空(Kong)载(Zai)与(Yu)负(Fu)载(Zai)有(You)所(Suo)疑(Yi)问(Wen)的(De)朋(Peng)友(You)能(Neng)在(Zai)阅(Yue)读(Du)过(Guo)本(Ben)文(Wen)后(Hou)解(Jie)开(Kai)迷(Mi)惑(Huo)。(?)
上(Shang)一(Yi)条(Tiao):(?)油(You)浸(Jin)式(Shi)变(Bian)压(Ya)器(Qi)的(De)油(You)箱(Xiang)和(He)储(Chu)油(You)柜(Gui)
下(Xia)一(Yi)条(Tiao):(?)电(Dian)力(Li)变(Bian)压(Ya)器(Qi)的(De)制(Zhi)造(Zao)工(Gong)艺(Yi) |
返(Fan)回(Hui)列(Lie)表(Biao) |
推(Tui)荐(Jian)新(Xin)闻(Wen)
对(Dui)于(Yu)刚(Gang)刚(Gang)接(Jie)触(Chu)变(Bian)压(Ya)器(Qi)知(Zhi)识(Shi)的(De)电(Dian)源(Yuan)新(Xin)手(Shou)来(Lai)说(Shuo),(?)在(Zai)大(Da)量(Liang)的(De)基(Ji)本(Ben)概(Gai)念(Nian)中(Zhong)总(Zong)是(Shi)存(Cun)在(Zai)着(Zhuo)一(Yi)些(Xie)容(Rong)易(Yi)混(Hun)淆(Xiao)的(De)知(Zhi)识(Shi)点(Dian)。(?)变(Bian)压(Ya)器(Qi)空(Kong)载(Zai)运(Yun)行(Xing)于(Yu)变(Bian)压(Ya)器(Qi)负(Fu)载(Zai)运(Yun)行(Xing)其(Qi)中(Zhong)之(Zhi)一(Yi)。(?)虽(Sui)然(Ran)…(?)
随(Sui)着(Zhuo)我(Wo)国(Guo)目(Mu)前(Qian)自(Zi)然(Ran)资(Zi)源(Yuan)的(De)日(Ri)益(Yi)枯(Ku)竭(Jie),(?)降(Jiang)低(Di)变(Bian)压(Ya)器(Qi)各(Ge)种(Zhong)损(Sun)耗(Hao)、(?)提(Ti)高(Gao)变(Bian)压(Ya)器(Qi)自(Zi)身(Shen)的(De)运(Yun)行(Xing)性(Xing)和(He)可(Ke)靠(Kao)性(Xing)和(He)实(Shi)际(Ji)工(Gong)作(Zuo)效(Xiao)率(Lu)以(Yi)及(Ji)优(You)化(Hua)变(Bian)压(Ya)器(Qi)设(She)计(Ji)成(Cheng)为(Wei)当(Dang)前(Qian)一(Yi)大(Da)热(Re)点(Dian)问(Wen)…(?)