陕(Shan)西(Xi)电(Dian)机(Ji)作(Zuo)为(Wei)发(Fa)电(Dian)的(De)主(Zhu)要(Yao)来(Lai)源(Yuan),(?)我(Wo)们(Men)没(Mei)有(You)电(Dian)就(Jiu)没(Mei)有(You)了(Liao)世(Shi)界(Jie),(?)所(Suo)以(Yi)今(Jin)天(Tian)小(Xiao)编(Bian)就(Jiu)为(Wei)大(Da)家(Jia)介(Jie)绍(Shao)下(Xia)陕(Shan)西(Xi)电(Dian)机(Ji)的(De)技(Ji)术(Shu)知(Zhi)识(Shi)。(?)
陕(Shan)西(Xi)电(Dian)机(Ji)星(Xing)形(Xing)接(Jie)法(Fa):(?)三(San)个(Ge)绕(Rao)组(Zu),(?)每(Mei)一(Yi)端(Duan)接(Jie)三(San)相(Xiang)电(Dian)压(Ya)的(De)一(Yi)相(Xiang),(?)另(Ling)一(Yi)端(Duan)接(Jie)在(Zai)一(Yi)起(Qi)。(?)
三(San)角(Jiao)形(Xing)接(Jie)法(Fa):(?)三(San)个(Ge)绕(Rao)组(Zu)首(Shou)尾(Wei)相(Xiang)连(Lian),(?)在(Zai)三(San)个(Ge)联(Lian)接(Jie)端(Duan)分(Fen)别(Bie)接(Jie)三(San)相(Xiang)电(Dian)压(Ya)。(?)
减(Jian)压(Ya)起(Qi)动(Dong):(?)在(Zai)电(Dian)动(Dong)机(Ji)容(Rong)量(Liang)较(Jiao)大(Da)时(Shi),(?)将(Jiang)电(Dian)源(Yuan)电(Dian)压(Ya)降(Jiang)低(Di)接(Jie)入(Ru)电(Dian)动(Dong)机(Ji)的(De)定(Ding)子(Zi)绕(Rao)组(Zu),(?)起(Qi)动(Dong)电(Dian)动(Dong)机(Ji)的(De)方(Fang)法(Fa)。(?)
主(Zhu)电(Dian)路(Lu):(?)主(Zhu)电(Dian)路(Lu)是(Shi)从(Cong)电(Dian)源(Yuan)到(Dao)电(Dian)动(Dong)机(Ji)或(Huo)线(Xian)路(Lu)末(Mo)端(Duan)的(De)电(Dian)路(Lu),(?)是(Shi)强(Qiang)电(Dian)流(Liu)通(Tong)过(Guo)的(De)电(Dian)路(Lu),(?)
辅(Fu)助(Zhu)电(Dian)路(Lu):(?)辅(Fu)助(Zhu)电(Dian)路(Lu)是(Shi)小(Xiao)电(Dian)流(Liu)通(Tong)过(Guo)电(Dian)路(Lu)
速(Su)度(Du)继(Ji)电(Dian)器(Qi):(?)以(Yi)转(Zhuan)速(Su)为(Wei)输(Shu)入(Ru)量(Liang)的(De)非(Fei)电(Dian)信(Xin)号(Hao)检(Jian)测(Ce)电(Dian)器(Qi),(?)它(Ta)能(Neng)在(Zai)被(Bei)测(Ce)转(Zhuan)速(Su)升(Sheng)或(Huo)降(Jiang)至(Zhi)某(Mou)一(Yi)预(Yu)定(Ding)设(She)定(Ding)的(De)值(Zhi)时(Shi)输(Shu)出(Chu)开(Kai)关(Guan)信(Xin)号(Hao)。(?)
继(Ji)电(Dian)器(Qi):(?)继(Ji)电(Dian)器(Qi)是(Shi)一(Yi)种(Zhong)控(Kong)制(Zhi)元(Yuan)件(Jian),(?)利(Li)用(Yong)各(Ge)种(Zhong)物(Wu)理(Li)量(Liang)的(De)变(Bian)化(Hua),(?)将(Jiang)电(Dian)量(Liang)或(Huo)非(Fei)电(Dian)量(Liang)信(Xin)号(Hao)转(Zhuan)化(Hua)为(Wei)电(Dian)磁(Ci)力(Li)(有(You)触(Chu)头(Tou)式(Shi))或(Huo)使(Shi)输(Shu)出(Chu)状(Zhuang)态(Tai)发(Fa)生(Sheng)阶(Jie)跃(Yue)变(Bian)化(Hua)(无(Wu)触(Chu)头(Tou)式(Shi))
热(Re)继(Ji)电(Dian)器(Qi):(?)是(Shi)利(Li)用(Yong)电(Dian)流(Liu)的(De)热(Re)效(Xiao)应(Ying)原(Yuan)理(Li)来(Lai)工(Gong)作(Zuo)的(De)保(Bao)护(Hu)电(Dian)器(Qi)。(?)
交(Jiao)流(Liu)继(Ji)电(Dian)器(Qi):(?)吸(Xi)引(Yin)线(Xian)圈(Quan)电(Dian)流(Liu)为(Wei)交(Jiao)流(Liu)的(De)继(Ji)电(Dian)器(Qi)。(?)
温(Wen)度(Du)继(Ji)电(Dian)器(Qi):(?)利(Li)用(Yong)过(Guo)热(Re)元(Yuan)件(Jian)间(Jian)接(Jie)地(Di)反(Fan)映(Ying)出(Chu)绕(Rao)组(Zu)温(Wen)度(Du)而(?)动(Dong)作(Zuo)的(De)保(Bao)护(Hu)电(Dian)器(Qi)称(Cheng)为(Wei)温(Wen)度(Du)继(Ji)电(Dian)器(Qi)。(?)
点(Dian)动(Dong)电(Dian)路(Lu):(?)按(An)下(Xia)点(Dian)动(Dong)按(An)钮(Niu),(?)线(Xian)圈(Quan)通(Tong)电(Dian)吸(Xi)合(He),(?)主(Zhu)触(Chu)头(Tou)闭(Bi)合(He),(?)电(Dian)动(Dong)机(Ji)接(Jie)人(Ren)三(San)相(Xiang)交(Jiao)流(Liu)电(Dian)源(Yuan),(?)起(Qi)动(Dong)旋(Xuan)转(Zhuan);(?)松(Song)开(Kai)按(An)钮(Niu),(?)线(Xian)圈(Quan)断(Duan)电(Dian)释(Shi)放(Fang),(?)主(Zhu)触(Chu)头(Tou)断(Duan)开(Kai),(?)电(Dian)动(Dong)机(Ji)断(Duan)电(Dian)停(Ting)转(Zhuan)。(?)
变(Bian)极(Ji)调(Diao)速(Su):(?)异(Yi)步(Bu)电(Dian)动(Dong)机(Ji)调(Diao)速(Su)中(Zhong),(?)改(Gai)变(Bian)定(Ding)子(Zi)极(Ji)对(Dui)数(Shu)的(De)调(Diao)速(Su)方(Fang)法(Fa)。(?)
变(Bian)频(Pin)调(Diao)速(Su):(?)异(Yi)步(Bu)电(Dian)动(Dong)机(Ji)调(Diao)速(Su)中(Zhong),(?)改(Gai)变(Bian)电(Dian)源(Yuan)频(Pin)率(Lu)的(De)调(Diao)速(Su)方(Fang)法(Fa)。(?)
陕(Shan)西(Xi)电(Dian)机(Ji)三(San)相(Xiang)异(Yi)步(Bu)电(Dian)机(Ji)能(Neng)耗(Hao)制(Zhi)动(Dong)的(De)原(Yuan)理(Li):(?)能(Neng)耗(Hao)制(Zhi)动(Dong)是(Shi)在(Zai)电(Dian)动(Dong)机(Ji)停(Ting)止(Zhi)切(Qie)除(Chu)定(Ding)子(Zi)绕(Rao)组(Zu)三(San)相(Xiang)电(Dian)源(Yuan)的(De)同(Tong)时(Shi),(?)定(Ding)子(Zi)绕(Rao)组(Zu)接(Jie)通(Tong)直(Zhi)流(Liu)电(Dian)源(Yuan),(?)产(Chan)生(Sheng)静(Jing)止(Zhi)磁(Ci)场(Chang),(?)利(Li)用(Yong)转(Zhuan)子(Zi)感(Gan)应(Ying)电(Dian)流(Liu)与(Yu)静(Jing)止(Zhi)磁(Ci)场(Chang)的(De)相(Xiang)互(Hu)作(Zuo)用(Yong),(?)产(Chan)生(Sheng)一(Yi)个(Ge)制(Zhi)动(Dong)转(Zhuan)矩(Ju)进(Jin)行(Xing)制(Zhi)动(Dong)。(?)
三(San)相(Xiang)异(Yi)步(Bu)电(Dian)机(Ji)反(Fan)接(Jie)制(Zhi)动(Dong)的(De)工(Gong)作(Zuo)原(Yuan)理(Li):(?)反(Fan)接(Jie)制(Zhi)动(Dong)是(Shi)在(Zai)电(Dian)动(Dong)机(Ji)停(Ting)止(Zhi)时(Shi),(?)改(Gai)变(Bian)定(Ding)子(Zi)绕(Rao)组(Zu)三(San)相(Xiang)电(Dian)源(Yuan)的(De)相(Xiang)序(Xu),(?)使(Shi)定(Ding)子(Zi)绕(Rao)组(Zu)旋(Xuan)转(Zhuan)磁(Ci)场(Chang)反(Fan)向(Xiang),(?)转(Zhuan)子(Zi)受(Shou)到(Dao)与(Yu)旋(Xuan)转(Zhuan)方(Fang)向(Xiang)相(Xiang)反(Fan)的(De)制(Zhi)动(Dong)转(Zhuan)矩(Ju)作(Zuo)用(Yong)而(?)迅(Xun)速(Su)停(Ting)车(Che)。(?)
短(Duan)路(Lu)保(Bao)护(Hu)和(He)过(Guo)载(Zai)保(Bao)护(Hu)有(You)什(Shi)么(Me)区(Qu)别(Bie):(?)短(Duan)路(Lu)时(Shi)电(Dian)路(Lu)会(Hui)产(Chan)生(Sheng)很(Hen)大(Da)的(De)短(Duan)路(Lu)电(Dian)流(Liu)和(He)电(Dian)动(Dong)力(Li)而(?)使(Shi)电(Dian)气(Qi)设(She)备(Bei)损(Sun)坏(Huai)。(?)需(Xu)要(Yao)迅(Xun)速(Su)切(Qie)断(Duan)电(Dian)源(Yuan)。(?) 常(Chang)用(Yong)的(De)短(Duan)路(Lu)保(Bao)护(Hu)元(Yuan)件(Jian)有(You)熔(Rong)断(Duan)器(Qi)和(He)自(Zi)动(Dong)开(Kai)关(Guan)。(?)
电(Dian)机(Ji)允(Yun)许(Xu)短(Duan)时(Shi)过(Guo)载(Zai),(?)但(Dan)长(Chang)期(Qi)过(Guo)载(Zai)运(Yun)行(Xing)会(Hui)导(Dao)致(Zhi)其(Qi)绕(Rao)组(Zu)温(Wen)升(Sheng)超(Chao)过(Guo)允(Yun)许(Xu)值(Zhi),(?)也(Ye)要(Yao)断(Duan)电(Dian)保(Bao)护(Hu)电(Dian)机(Ji)。(?)常(Chang)用(Yong)的(De)过(Guo)载(Zai)保(Bao)护(Hu)元(Yuan)件(Jian)是(Shi)热(Re)继(Ji)电(Dian)器(Qi)
电(Dian)机(Ji)起(Qi)动(Dong)时(Shi)电(Dian)流(Liu)很(Hen)大(Da),(?)为(Wei)什(Shi)么(Me)热(Re)继(Ji)电(Dian)器(Qi)不(Bu)会(Hui)动(Dong)作(Zuo):(?)由(You)于(Yu)热(Re)继(Ji)电(Dian)器(Qi)的(De)热(Re)元(Yuan)件(Jian)有(You)热(Re)惯(Guan)性(Xing),(?)不(Bu)会(Hui)变(Bian)形(Xing)很(Hen)快(Kuai),(?)电(Dian)机(Ji)起(Qi)动(Dong)时(Shi)电(Dian)流(Liu)很(Hen)大(Da),(?)而(?)起(Qi)动(Dong)时(Shi)间(Jian)很(Hen)短(Duan),(?)大(Da)电(Dian)流(Liu)还(Huan)不(Bu)足(Zu)以(Yi)让(Rang)热(Re)元(Yuan)件(Jian)变(Bian)形(Xing)引(Yin)起(Qi)触(Chu)点(Dian)动(Dong)作(Zuo)。(?)
常(Chang)用(Yong)继(Ji)电(Dian)器(Qi)按(An)动(Dong)作(Zuo)原(Yuan)理(Li)分(Fen)那(Na)几(Ji)种(Zhong):(?)电(Dian)磁(Ci)式(Shi)、(?)磁(Ci)电(Dian)式(Shi)、(?)感(Gan)应(Ying)式(Shi)、(?)电(Dian)动(Dong)式(Shi)、(?)光(Guang)电(Dian)式(Shi)、(?)压(Ya)电(Dian)式(Shi),(?)时(Shi)间(Jian)与(Yu)温(Wen)度(Du)(热(Re))继(Ji)电(Dian)器(Qi)等(Deng)
在(Zai)陕(Shan)西(Xi)电(Dian)机(Ji)的(De)主(Zhu)回(Hui)路(Lu)中(Zhong),(?)既(Ji)然(Ran)装(Zhuang)有(You)熔(Rong)断(Duan)器(Qi),(?)为(Wei)什(Shi)么(Me)还(Huan)要(Yao)装(Zhuang)热(Re)继(Ji)电(Dian)器(Qi)?(?)他(Ta)们(Men)有(You)什(Shi)么(Me)区(Qu)别(Bie)?(?)
熔(Rong)断(Duan)器(Qi)只(Zhi)能(Neng)用(Yong)作(Zuo)短(Duan)路(Lu)保(Bao)护(Hu),(?)不(Bu)能(Neng)用(Yong)作(Zuo)过(Guo)载(Zai)保(Bao)护(Hu);(?)而(?)热(Re)继(Ji)电(Dian)器(Qi)只(Zhi)能(Neng)用(Yong)作(Zuo)过(Guo)载(Zai)保(Bao)护(Hu),(?)不(Bu)能(Neng)用(Yong)作(Zuo)短(Duan)路(Lu)保(Bao)护(Hu)。(?)所(Suo)以(Yi)主(Zhu)回(Hui)路(Lu)中(Zhong)装(Zhuang)设(She)两(Liang)者(Zhe)是(Shi)必(Bi)需(Xu)的(De)。(?)
三(San)相(Xiang)交(Jiao)流(Liu)电(Dian)动(Dong)机(Ji)反(Fan)接(Jie)制(Zhi)动(Dong)和(He)能(Neng)耗(Hao)制(Zhi)动(Dong)分(Fen)别(Bie)适(Shi)用(Yong)于(Yu)什(Shi)么(Me)情(Qing)况(Kuang)?(?)
反(Fan)接(Jie)制(Zhi)动(Dong)适(Shi)用(Yong)于(Yu)不(Bu)经(Jing)常(Chang)起(Qi)制(Zhi)动(Dong)的(De)10KW以(Yi)下(Xia)的(De)小(Xiao)容(Rong)量(Liang)电(Dian)动(Dong)机(Ji)。(?)能(Neng)耗(Hao)制(Zhi)动(Dong)适(Shi)用(Yong)于(Yu)要(Yao)求(Qiu)制(Zhi)动(Dong)平(Ping)稳(Wen)、(?)准(Zhun)确(Que)和(He)起(Qi)动(Dong)频(Pin)繁(Fan)的(De)容(Rong)量(Liang)较(Jiao)大(Da)的(De)电(Dian)动(Dong)机(Ji)。(?)
中(Zhong)间(Jian)继(Ji)电(Dian)器(Qi)和(He)接(Jie)触(Chu)器(Qi)有(You)何(He)区(Qu)别(Bie)?(?)在(Zai)什(Shi)么(Me)条(Tiao)件(Jian)下(Xia)可(Ke)用(Yong)中(Zhong)间(Jian)继(Ji)电(Dian)器(Qi)代(Dai)替(Ti)接(Jie)触(Chu)器(Qi)?(?)
接(Jie)触(Chu)器(Qi)的(De)主(Zhu)触(Chu)点(Dian)容(Rong)量(Liang)大(Da),(?)主(Zhu)要(Yao)用(Yong)于(Yu)主(Zhu)回(Hui)路(Lu);(?)中(Zhong)间(Jian)继(Ji)电(Dian)器(Qi)触(Chu)点(Dian)数(Shu)量(Liang)多(Duo),(?)主(Zhu)要(Yao)用(Yong)于(Yu)控(Kong)制(Zhi)回(Hui)路(Lu)。(?)在(Zai)电(Dian)路(Lu)电(Dian)流(Liu)较(Jiao)小(Xiao)时(Shi)((?)小(Xiao)于(Yu)5A)(?),(?)可(Ke)用(Yong)中(Zhong)间(Jian)继(Ji)电(Dian)器(Qi)代(Dai)替(Ti)接(Jie)触(Chu)器(Qi)。(?)
三(San)相(Xiang)交(Jiao)流(Liu)电(Dian)动(Dong)机(Ji)反(Fan)接(Jie)制(Zhi)动(Dong)和(He)能(Neng)耗(Hao)制(Zhi)动(Dong)各(Ge)有(You)何(He)特(Te)点(Dian)?(?)
电(Dian)源(Yuan)反(Fan)接(Jie)制(Zhi)动(Dong)时(Shi),(?)转(Zhuan)子(Zi)与(Yu)定(Ding)子(Zi)旋(Xuan)转(Zhuan)磁(Ci)场(Chang)的(De)相(Xiang)对(Dui)转(Zhuan)速(Su)接(Jie)近(Jin)两(Liang)倍(Bei)的(De)电(Dian)动(Dong)机(Ji)同(Tong)步(Bu)转(Zhuan)速(Su),(?)所(Suo)以(Yi)此(Ci)时(Shi)转(Zhuan)子(Zi)绕(Rao)组(Zu)中(Zhong)流(Liu)过(Guo)的(De)反(Fan)接(Jie)制(Zhi)动(Dong)电(Dian)流(Liu)相(Xiang)当(Dang)于(Yu)电(Dian)动(Dong)机(Ji)全(Quan)压(Ya)起(Qi)动(Dong)时(Shi)起(Qi)动(Dong)电(Dian)流(Liu)的(De)两(Liang)倍(Bei)。(?)因(Yin)此(Ci)反(Fan)接(Jie)制(Zhi)动(Dong)转(Zhuan)矩(Ju)大(Da),(?)制(Zhi)动(Dong)迅(Xun)速(Su)。(?)
在(Zai)能(Neng)耗(Hao)制(Zhi)动(Dong)中(Zhong),(?)按(An)对(Dui)接(Jie)入(Ru)直(Zhi)流(Liu)电(Dian)的(De)控(Kong)制(Zhi)方(Fang)式(Shi)不(Bu)同(Tong),(?)有(You)时(Shi)间(Jian)原(Yuan)则(Ze)控(Kong)制(Zhi)和(He)速(Su)度(Du)原(Yuan)则(Ze)控(Kong)制(Zhi)两(Liang)种(Zhong)。(?)两(Liang)种(Zhong)方(Fang)式(Shi)都(Du)需(Xu)加(Jia)入(Ru)直(Zhi)流(Liu)电(Dian)源(Yuan)和(He)变(Bian)压(Ya)器(Qi),(?)制(Zhi)动(Dong)缓(Huan)慢(Man)。(?)
电(Dian)动(Dong)机(Ji)“(?)正(Zheng)—(?)反(Fan)—(?)停(Ting)”(?)控(Kong)制(Zhi)线(Xian)路(Lu)中(Zhong),(?)复(Fu)合(He)按(An)钮(Niu)已(Yi)经(Jing)起(Qi)到(Dao)了(Liao)互(Hu)锁(Suo)作(Zuo)用(Yong),(?)为(Wei)什(Shi)么(Me)还(Huan)要(Yao)用(Yong)接(Jie)触(Chu)器(Qi)的(De)常(Chang)闭(Bi)触(Chu)点(Dian)进(Jin)行(Xing)联(Lian)锁(Suo)?(?)
因(Yin)为(Wei)当(Dang)接(Jie)触(Chu)器(Qi)主(Zhu)触(Chu)点(Dian)被(Bei)强(Qiang)烈(Lie)的(De)电(Dian)弧(Hu)“(?)烧(Shao)焊(Han)”(?)在(Zai)一(Yi)起(Qi)或(Huo)者(Zhe)接(Jie)触(Chu)器(Qi)机(Ji)构(Gou)失(Shi)灵(Ling)使(Shi)衔(Xian)铁(Tie)卡(Ka)死(Si)在(Zai)吸(Xi)合(He)状(Zhuang)态(Tai)时(Shi),(?)如(Ru)果(Guo)另(Ling)一(Yi)只(Zhi)接(Jie)触(Chu)器(Qi)动(Dong)作(Zuo),(?)就(Jiu)会(Hui)造(Zao)成(Cheng)电(Dian)源(Yuan)短(Duan)路(Lu)。(?)接(Jie)触(Chu)器(Qi)常(Chang)闭(Bi)触(Chu)点(Dian)互(Hu)相(Xiang)联(Lian)锁(Suo)时(Shi),(?)能(Neng)够(Gou)避(Bi)免(Mian)这(Zhe)种(Zhong)情(Qing)况(Kuang)下(Xia)短(Duan)路(Lu)事(Shi)故(Gu)的(De)发(Fa)生(Sheng)。(?)
什(Shi)么(Me)是(Shi)自(Zi)锁(Suo)控(Kong)制(Zhi)?(?)为(Wei)什(Shi)么(Me)说(Shuo)接(Jie)触(Chu)器(Qi)自(Zi)锁(Suo)控(Kong)制(Zhi)线(Xian)路(Lu)具(Ju)有(You)欠(Qian)压(Ya)和(He)失(Shi)压(Ya)保(Bao)护(Hu)?(?)
自(Zi)锁(Suo)电(Dian)路(Lu)是(Shi)利(Li)用(Yong)输(Shu)出(Chu)信(Xin)号(Hao)本(Ben)身(Shen)联(Lian)锁(Suo)来(Lai)保(Bao)持(Chi)输(Shu)出(Chu)的(De)动(Dong)作(Zuo)。(?)
当(Dang)电(Dian)源(Yuan)电(Dian)压(Ya)过(Guo)低(Di)时(Shi),(?)接(Jie)触(Chu)器(Qi)线(Xian)圈(Quan)断(Duan)电(Dian),(?)自(Zi)锁(Suo)触(Chu)点(Dian)返(Fan)回(Hui)使(Shi)线(Xian)圈(Quan)回(Hui)路(Lu)断(Duan)开(Kai),(?)电(Dian)压(Ya)再(Zai)次(Ci)升(Sheng)高(Gao)时(Shi),(?)线(Xian)圈(Quan)不(Bu)能(Neng)通(Tong)电(Dian),(?)即(Ji)形(Xing)成(Cheng)了(Liao)欠(Qian)压(Ya)和(He)失(Shi)压(Ya)保(Bao)护(Hu)。(?)
以(Yi)上(Shang)就(Jiu)是(Shi)我(Wo)为(Wei)大(Da)家(Jia)简(Jian)单(Dan)介(Jie)绍(Shao)的(De)内(Nei)容(Rong),(?)想(Xiang)了(Liao)解(Jie)更(Geng)多(Duo)欢(Huan)迎(Ying)大(Da)家(Jia)前(Qian)来(Lai)咨(Zi)询(Xun)访(Fang)问(Wen)陕(Shan)西(Xi)电(Dian)机(Ji)。(?)