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公(Gong)司(Si)动(Dong)态(Tai)

晶(Jing)闸(Zha)管(Guan)的(De)工(Gong)作(Zuo)原(Yuan)理(Li)

文(Wen)字(Zi):(?)[大(Da)][中(Zhong)][小(Xiao)] 手(Shou)机(Ji)页(Ye)面(Mian)二(?)维(Wei)码(Ma) 2021/6/24     浏(Liu)览(Lan)次(Ci)数(Shu):(?)    

晶(Jing)闸(Zha)管(Guan)(Thyristor)是(Shi)晶(Jing)体(Ti)闸(Zha)流(Liu)管(Guan)的(De)简(Jian)称(Cheng),(?)又(You)被(Bei)称(Cheng)做(Zuo)可(Ke)控(Kong)硅(Gui)整(Zheng)流(Liu)器(Qi),(?)以(Yi)前(Qian)被(Bei)简(Jian)称(Cheng)为(Wei)可(Ke)控(Kong)硅(Gui);1957年(Nian)美(Mei)国(Guo)通(Tong)用(Yong)电(Dian)气(Qi)公(Gong)司(Si)开(Kai)发(Fa)出(Chu)世(Shi)界(Jie)上(Shang)头(Tou)一(Yi)款(Kuan)晶(Jing)闸(Zha)管(Guan)产(Chan)品(Pin),(?)并(Bing)于(Yu)1958年(Nian)将(Jiang)其(Qi)商(Shang)业(Ye)化(Hua);晶(Jing)闸(Zha)管(Guan)是(Shi)PNPN四(Si)层(Ceng)半(Ban)导(Dao)体(Ti)结(Jie)构(Gou),(?)它(Ta)有(You)三(San)个(Ge)极(Ji):(?)阳(Yang)极(Ji),(?)阴(Yin)极(Ji)和(He)控(Kong)制(Zhi)极(Ji); 晶(Jing)闸(Zha)管(Guan)具(Ju)有(You)硅(Gui)整(Zheng)流(Liu)器(Qi)件(Jian)的(De)特(Te)性(Xing),(?)能(Neng)在(Zai)高(Gao)电(Dian)压(Ya)、(?)大(Da)电(Dian)流(Liu)条(Tiao)件(Jian)下(Xia)工(Gong)作(Zuo),(?)且(Qie)其(Qi)工(Gong)作(Zuo)过(Guo)程(Cheng)可(Ke)以(Yi)控(Kong)制(Zhi)、(?)被(Bei)大(Da)范(Fan)围(Wei)应(Ying)用(Yong)于(Yu)可(Ke)控(Kong)整(Zheng)流(Liu)、(?)交(Jiao)流(Liu)调(Diao)压(Ya)、(?)无(Wu)触(Chu)点(Dian)电(Dian)子(Zi)开(Kai)关(Guan)、(?)逆(Ni)变(Bian)及(Ji)变(Bian)频(Pin)等(Deng)电(Dian)子(Zi)电(Dian)路(Lu)中(Zhong)。(?)


晶(Jing)闸(Zha)管(Guan)工(Gong)作(Zuo)原(Yuan)理(Li)

晶(Jing)闸(Zha)管(Guan)在(Zai)工(Gong)作(Zuo)过(Guo)程(Cheng)中(Zhong),(?)它(Ta)的(De)阳(Yang)极(Ji)(A)和(He)阴(Yin)极(Ji)(K)与(Yu)电(Dian)源(Yuan)和(He)负(Fu)载(Zai)连(Lian)接(Jie),(?)组(Zu)成(Cheng)晶(Jing)闸(Zha)管(Guan)的(De)主(Zhu)电(Dian)路(Lu),(?)晶(Jing)闸(Zha)管(Guan)的(De)门(Men)极(Ji)G和(He)阴(Yin)极(Ji)K与(Yu)控(Kong)制(Zhi)晶(Jing)闸(Zha)管(Guan)的(De)装(Zhuang)置(Zhi)连(Lian)接(Jie),(?)组(Zu)成(Cheng)晶(Jing)闸(Zha)管(Guan)的(De)控(Kong)制(Zhi)电(Dian)路(Lu)。(?)晶(Jing)闸(Zha)管(Guan)为(Wei)半(Ban)控(Kong)型(Xing)电(Dian)力(Li)电(Dian)子(Zi)器(Qi)件(Jian),(?)它(Ta)的(De)工(Gong)作(Zuo)条(Tiao)件(Jian)如(Ru)下(Xia):(?)

1. 晶(Jing)闸(Zha)管(Guan)承(Cheng)受(Shou)反(Fan)向(Xiang)阳(Yang)极(Ji)电(Dian)压(Ya)时(Shi),(?)不(Bu)管(Guan)门(Men)极(Ji)承(Cheng)受(Shou)何(He)种(Zhong)电(Dian)压(Ya),(?)晶(Jing)闸(Zha)管(Guan)都(Du)处(Chu)于(Yu)反(Fan)向(Xiang)阻(Zu)断(Duan)状(Zhuang)态(Tai)。(?)

2. 晶(Jing)闸(Zha)管(Guan)承(Cheng)受(Shou)正(Zheng)向(Xiang)阳(Yang)极(Ji)电(Dian)压(Ya)时(Shi),(?)仅(Jin)在(Zai)门(Men)极(Ji)承(Cheng)受(Shou)正(Zheng)向(Xiang)电(Dian)压(Ya)的(De)情(Qing)况(Kuang)下(Xia)晶(Jing)闸(Zha)管(Guan)才(Cai)导(Dao)通(Tong)。(?)这(Zhe)时(Shi)晶(Jing)闸(Zha)管(Guan)处(Chu)于(Yu)正(Zheng)向(Xiang)导(Dao)通(Tong)状(Zhuang)态(Tai),(?)这(Zhe)就(Jiu)是(Shi)晶(Jing)闸(Zha)管(Guan)的(De)闸(Zha)流(Liu)特(Te)性(Xing),(?)即(Ji)可(Ke)控(Kong)特(Te)性(Xing)。(?)

3. 晶(Jing)闸(Zha)管(Guan)在(Zai)导(Dao)通(Tong)情(Qing)况(Kuang)下(Xia),(?)只(Zhi)要(Yao)有(You)一(Yi)定(Ding)的(De)正(Zheng)向(Xiang)阳(Yang)极(Ji)电(Dian)压(Ya),(?)不(Bu)论(Lun)门(Men)极(Ji)电(Dian)压(Ya)如(Ru)何(He),(?)晶(Jing)闸(Zha)管(Guan)保(Bao)持(Chi)导(Dao)通(Tong),(?)即(Ji)晶(Jing)闸(Zha)管(Guan)导(Dao)通(Tong)后(Hou),(?)门(Men)极(Ji)失(Shi)去(Qu)作(Zuo)用(Yong)。(?)门(Men)极(Ji)只(Zhi)起(Qi)触(Chu)发(Fa)作(Zuo)用(Yong)。(?)

4. 晶(Jing)闸(Zha)管(Guan)在(Zai)导(Dao)通(Tong)情(Qing)况(Kuang)下(Xia),(?)当(Dang)主(Zhu)回(Hui)路(Lu)电(Dian)压(Ya)(或(Huo)电(Dian)流(Liu))减(Jian)小(Xiao)到(Dao)接(Jie)近(Jin)于(Yu)零(Ling)时(Shi),(?)晶(Jing)闸(Zha)管(Guan)关(Guan)断(Duan)。(?)

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