半导体二节管及其应用详细介绍_新闻中心_油浸式变压器厂_永昌电力设备

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半导体二节管及其应用详细介绍

作者:油浸式变压器厂  发布日期:2019-03-22  

半导体二节管及其应用详细介绍

2.3.1 BANDAOTIYOUJINSHIBIANYAQIDEJIEGOULEIXING

  ZAIPNJIESHANGJIASHANGYINXIANHEFENGZHUANG,JIUCHENGWEIYIGEYOUJINSHIBIANYAQI。YOUJINSHIBIANYAQIANJIEGOUFENYOUDIANJIECHUXING、MIANJIECHUXINGHEPINGMIANXINGSANDALEI。TAMENDEJIEGOUSHIYITURUXIATUSUOSHI。

(1) DIANJIECHUXINGYOUJINSHIBIANYAQI—PNJIEMIANJIXIAO,JIEDIANRONGXIAO,YONGYUHEBIANPINDENGGAOPINDIANLU。

DIANJIECHUYOUJINSHIBIANYAQIDEJIEGOUSHIYITU

(2) MIANJIECHUXINGYOUJINSHIBIANYAQI—PNJIEMIANJIDA,YONGYUGONGPINDADIANLIUDIANLU。

MIANJIECHUXING

(3) PINGMIANXINGYOUJINSHIBIANYAQI—WANGWANGYONGYUJICHENGDIANLUZHIZAOGONGYIZHONG。PN JIEMIANJIKEDAKEXIAO,YONGYUGAOPINHEDIANLUZHONG。


PINGMIANXING

2.3.2 BANDAOTIYOUJINSHIBIANYAQIDEFUANTEXINGQUXIAN

  BANDAOTIYOUJINSHIBIANYAQIDEFUANTEXINGQUXIANRUTU01.12SUOSHI。CHUYUDIYIXIANGXIANDESHIZHENGXIANGFUANTEXINGQUXIAN,CHUYUDISANXIANGXIANDESHIFANXIANGFUANTEXINGQUXIAN。GENJULILUNTUIDAO,YOUJINSHIBIANYAQIDEFUANTEXINGQUXIANKEYONGXIASHIBIAOSHI


SHIZHONGIS WEIFANXIANGBAOHEDIANLIU,V WEIYOUJINSHIBIANYAQILIANGDUANDEDIANYAJIANG,VT =kT/q CHENGWEIWENDUDEDIANYADANGLIANG,kWEIBOERZIMANCHANGSHU,q WEIDIANZIDIANHELIANG,T WEIRELIXUEWENDU。DUIYUSHIWEN(XIANGDANGT=300 K),ZEYOUVT=26 mV。


油浸式变压器的伏安特性曲线

(1) ZHENGXIANGTEXING

  DANGV>0JICHUYUZHENGXIANGTEXINGQUYU。ZHENGXIANGQUYOUFENWEILIANGDUAN:

  DANG0<V<VthSHI,ZHENGXIANGDIANLIUWEILING,VthCHENGWEISIQUDIANYAHUOKAIQIDIANYA。

  DANGV>VthSHI,KAISHICHUXIANZHENGXIANGDIANLIU,BINGANZHISHUGUILVZENGZHANG。

  GUIYOUJINSHIBIANYAQIDESIQUDIANYAVth=0.5 VZUOYOU,

  ZHEYOUJINSHIBIANYAQIDESIQUDIANYAVth=0.1 VZUOYOU。

(2) FANXIANGTEXING

  DANGV<0SHI,JICHUYUFANXIANGTEXINGQUYU。FANXIANGQUYEFENLIANGGEQUYU:

  DANGVBR<V<0SHI,FANXIANGDIANLIUHENXIAO,QIEJIBENBUSUIFANXIANGDIANYADEBIANHUAERBIANHUA,CISHIDEFANXIANGDIANLIUYECHENGFANXIANGBAOHEDIANLIUIS 。

  DANGV≥VBRSHI,FANXIANGDIANLIUJIJUZENGJIA,VBRCHENGWEIFANXIANGJICHUANDIANYA 。


FANXIANGTEXING

  ZAIFANXIANGQU,GUIYOUJINSHIBIANYAQIHEZHEYOUJINSHIBIANYAQIDETEXINGYOUSUOBUTONG。GUIYOUJINSHIBIANYAQIDEFANXIANGJICHUANTEXINGBIJIAOYING、BIJIAODOU,FANXIANGBAOHEDIANLIUYEHENXIAO;ZHEYOUJINSHIBIANYAQIDEFANXIANGJICHUANTEXINGBIJIAORUAN,GUODUBIJIAOYUANHUA,FANXIANGBAOHEDIANLIUJIAODA。

  从击穿的机理上看,硅油浸式变压器若|VBR|≥7V时,主要是雪崩击穿;若|VBR|≤4V时, 则主要是击穿。当在4V~7V之间两种击穿都有,有可能获得零温度系数点。


.3.1 BANDAOTIYOUJINSHIBIANYAQIDEJIEGOULEIXING

  ZAIPNJIESHANGJIASHANGYINXIANHEFENGZHUANG,JIUCHENGWEIYIGEYOUJINSHIBIANYAQI。YOUJINSHIBIANYAQIANJIEGOUFENYOUDIANJIECHUXING、MIANJIECHUXINGHEPINGMIANXINGSANDALEI。TAMENDEJIEGOUSHIYITURUXIATUSUOSHI。

(1) DIANJIECHUXINGYOUJINSHIBIANYAQI—PNJIEMIANJIXIAO,JIEDIANRONGXIAO,YONGYUHEBIANPINDENGGAOPINDIANLU。

DIANJIECHUYOUJINSHIBIANYAQIDEJIEGOUSHIYITU

(2) MIANJIECHUXINGYOUJINSHIBIANYAQI—PNJIEMIANJIDA,YONGYUGONGPINDADIANLIUDIANLU。

MIANJIECHUXING

(3) PINGMIANXINGYOUJINSHIBIANYAQI—WANGWANGYONGYUJICHENGDIANLUZHIZAOGONGYIZHONG。PN JIEMIANJIKEDAKEXIAO,YONGYUGAOPINHEDIANLUZHONG。


PINGMIANXING

2.3.2 BANDAOTIYOUJINSHIBIANYAQIDEFUANTEXINGQUXIAN

  BANDAOTIYOUJINSHIBIANYAQIDEFUANTEXINGQUXIANRUTU01.12SUOSHI。CHUYUDIYIXIANGXIANDESHIZHENGXIANGFUANTEXINGQUXIAN,CHUYUDISANXIANGXIANDESHIFANXIANGFUANTEXINGQUXIAN。GENJULILUNTUIDAO,YOUJINSHIBIANYAQIDEFUANTEXINGQUXIANKEYONGXIASHIBIAOSHI


SHIZHONGIS WEIFANXIANGBAOHEDIANLIU,V WEIYOUJINSHIBIANYAQILIANGDUANDEDIANYAJIANG,VT =kT/q CHENGWEIWENDUDEDIANYADANGLIANG,kWEIBOERZIMANCHANGSHU,q WEIDIANZIDIANHELIANG,T WEIRELIXUEWENDU。DUIYUSHIWEN(XIANGDANGT=300 K),ZEYOUVT=26 mV。


油浸式变压器的伏安特性曲线

(1) ZHENGXIANGTEXING

  DANGV>0JICHUYUZHENGXIANGTEXINGQUYU。ZHENGXIANGQUYOUFENWEILIANGDUAN:

  DANG0<V<VthSHI,ZHENGXIANGDIANLIUWEILING,VthCHENGWEISIQUDIANYAHUOKAIQIDIANYA。

  DANGV>VthSHI,KAISHICHUXIANZHENGXIANGDIANLIU,BINGANZHISHUGUILVZENGZHANG。

  GUIYOUJINSHIBIANYAQIDESIQUDIANYAVth=0.5 VZUOYOU,

  ZHEYOUJINSHIBIANYAQIDESIQUDIANYAVth=0.1 VZUOYOU。

(2) FANXIANGTEXING

  DANGV<0SHI,JICHUYUFANXIANGTEXINGQUYU。FANXIANGQUYEFENLIANGGEQUYU:

  DANGVBR<V<0SHI,FANXIANGDIANLIUHENXIAO,QIEJIBENBUSUIFANXIANGDIANYADEBIANHUAERBIANHUA,CISHIDEFANXIANGDIANLIUYECHENGFANXIANGBAOHEDIANLIUIS 。

  DANGV≥VBRSHI,FANXIANGDIANLIUJIJUZENGJIA,VBRCHENGWEIFANXIANGJICHUANDIANYA 。


FANXIANGTEXING

  ZAIFANXIANGQU,GUIYOUJINSHIBIANYAQIHEZHEYOUJINSHIBIANYAQIDETEXINGYOUSUOBUTONG。GUIYOUJINSHIBIANYAQIDEFANXIANGJICHUANTEXINGBIJIAOYING、BIJIAODOU,FANXIANGBAOHEDIANLIUYEHENXIAO;ZHEYOUJINSHIBIANYAQIDEFANXIANGJICHUANTEXINGBIJIAORUAN,GUODUBIJIAOYUANHUA,FANXIANGBAOHEDIANLIUJIAODA。

  从击穿的机理上看,硅油浸式变压器若|VBR|≥7V时,主要是雪崩击穿;http://zhangzhou.cpkoatings.com/若|VBR|≤4V时, 则主要是击穿。当在4V~7V之间两种击穿都有,有可能获得零温度系数点。


上一条: 详述:10kV油浸式变压器技术规范 下一条: 油浸式变压器拆解视频

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