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热敏电阻在电动机综合保护器中的应用
发布时间:2019-11-1 网友阅读156次

3D彩票   REMINDIANZUZAIDIANDONGJIZONGHEBAOHUQIZHONGDEYINGYONG,YUXINGHAOWEIGY205DIANDONGJIBAOHUJIANKONGZHUANGZHIRUTU1(DIANDONGJIZONGHEBAOHUQI)WEILI,CIDIANJIZONGHEBAOHUQIJINGJINIANYUNXINGSHIJIAN,ZHENGSHILEQIBAOHUKEKAO,XINGNENGYOULIANG,SHIJINJULIKONGZHIDEDIANDONGJIBAOHUYIZHONGHAOFANGFA。

TU1

 

GY205电动机保护监控装置

3D彩票   GY205DIANDONGJIBAOHUJIANKONGZHUANGZHI

 

 

3D彩票   DIANDONGJIDEYINGYONGLIANGDAMIANGUANGDIANDONGJIDEANQUANKEKAOYUNXING,ZHIJIEGUANXIDAOSHENGCHANDEZHENGCHANGJINXING。DIANDONGJISUNHUAIDEYUANYINCHUJIXIEJIEGOUSUNHUAIWAIYIBANJUNYOUYUDIANQIGUZHANGSUOZHI,LIRUYOUYUDIANYUANDIANYAGUOGAO,YINQICILUBAOHE,DIANLIUZENGDA;HUOYOUYUDIANYUANDIANYAGUODIHUOSANXIANGJIDUANBUPINGHENGSHENZHIDUANXIANGYINQIDADIANLIU,ZONGZHI,WULUNNEIZHONGGUZHANGTAMENDOUJIANGYINQIDIANLIUZENGDADIANDONGJIGUORE。ANGUOJIABIAOZHUNGUIDING,BUTONGJUEYUANDENGJIDEDIANDONGJIRAOZUYOUBUTONGDEYUNXUWENDU。RUODIANJINEIBUWENDUDADAOHUOCHAOGUODIANDONGJIJUEYUANDENGJISUOYUNXUDEZUIGAOWENDU,HUIJIASUDIANDONGJINEIBUDEJUEYUANLAOHUA。DADUOSHUYOUJIJUEYUANCAILIAOWENDUMEISHANGSHENG10℃,LAOHUASUDUHUIJIAKUAIYIBEI。JUEYUANLAOHUAHENYIXINGCHENGXIANQUANZAJIANDUANLUHUOJIEDIGUZHANGRANHOUJINYIBUSHIDIANLIUZENGJIA,ZHIZHISHAOHUI。YOUCIKEZHI,YAOSHIDIANDONGJINENGZHANGQIANQUANKEKAODEYUNXING,BIXUJIANSHIDIANDONGJINEIBUDEGONGZUOWENDU,YOUQIXUYAOZHUNQUECEDINGDIANDONGJIRAOZUDEWENDU,BINGJIANGWENDUKONGZHIZAIDIANDONGJIJUEYUANDENGJISUOYUNXUDEWENDUFANWEINEI,YIDANRAOZUWENDUDADAOYUNXUZHIYINGLIJIQIECHUDIANYUANFANGZHIWENDUJIXUSHENGGAO。JIYUZHEIGEZHIDAOSIXIANGWOMENSHEJIBINGZHIZUOLEsW-1XINGDIANDONGJIZONGHEBAOHUQI。

 

热敏电阻

REMINDIANZU

  ZHEIZHONGDIANDONGJIZONGHEBAOHUQIDEGUANJIANBUJIANSHIWENDUCHUANGANQI。WOMENXUANYONGLEJUYOUZHENGWENDUXISHUDEprcBANDAOTIREMINDIANZU,TAJUYOURUTU1SUOSHIDIANZUWENDUTEXING。ZAIDIANZUWENDUTEXINGQUXIANSHANG,DIANZUWENDUXISHUZUIDASHISUODUIYINGDEWENDUJIWEIREMINDIANZUDEKAIGUANWENDUTK。DANGBEICEWENDUDIYUTkSHIQICHENGXIANDEZUZHIJIBENBAOCHIWEIDIZU,YIDANWENDUDAYUTkSHIQIZUZHIDOURANZENGJIACISHIZUZHISUIWENDUBIANHUAHENLINGMIN。TkJIUSHIBAOHUQIDEBAOHUDONGZUOWENDU。CHANGJIANDEREMINDIANZUDEKAIGUANWENDUCONG50℃-150℃,YIJIANGE5℃CHENGXILIEWANQUANKEYIMANZUBAOHUGELEIDIANDONGJIDEXUANZEXUYAO。MUQIANWOGUOCHANGYONGDEDIANDONGJIDEJUEYUANDENGJIJIQIXIANGYINGDENAIREJIXIANWENDU

  JIANBIAO1

图2热敏电阻的R一T特性

 

 

TU2REMINDIANZUDERYITTEXING

 

  BIAO1

绝缘体耐热极限温度  

JUEYUANTINAIREJIXIANWENDU

3D彩票   WEIANQUANQIJIAN,SHIJIDIANDONGJIDEYUNXUWENDUYAOXIAOYUSHANGSHUDEJIXIANWENDU,YIBANYAODI5-10℃,ERDIANDONGJIDUANBURAOZUNEIDEWENDUWANGWANGYAOBIDIANJIRAOZUWENDUZUIGAOCHUDEWENDUDI10-15℃,TONGGUOYISHANGXIANGHUGUANXIKEGENJUDIANDONGJIDEJUEYUANLEIXINGBASHIJIDIANDONGJIDEYUNXUWENDUZHESUANDAODIANDONGJIDEDUANBUZUOWEIXUANZEREMINDIANZUKAIGUANWENDUDEYIJU。

  YIBJIJUEYUANDEDIANDONGJIWEILI:

  REMINDIANZUDETK=130℃-10℃-(10-15)℃=(110-105)℃,WOMENBAZHEIZHONGREMINDIANZU

3D彩票   YONGHUANYANGSHUZHITIEJINZHANLIANZAIDIANDONGJIDUANBUDERAOZUNEI,ZUIHAOZAIGEXIANGRAOZUDEXIANGYINGWEIZHIJUNFANGZHI

3D彩票   YONGYUZHIJIEJIANCEDIANDONGJIRAOZUDESHIJIFAREQINGKUANGGECESHIDIANZHONGZHIYAOYOUYIDIANDEWENDUDADAOTκZHIBAOHUQILIJIDONGZUO,QIEDUANDIANYUAN,DUIDIANDONGJIDEJUEYUANJINXINGYOUXIAOBAOHU。TAYUQITAJIANJIEDEDIANDONGJIGUOREBAOHUXIANGBIJIAO,DONGZUOLINGMINERYOUZHUNQUE,ERQIEDUIGUOYA、QIANYA、DUANXIANG、GUOZAI、DUZHUANJIQITAZAOCHENGDIANDONGJIGUOREDEGUZHANGJUNNENGQIDAOBAOHUZUOYONG,KECHENGWEIQUANBAOHUJIZONGHEBAOHU。

  TU3 GY205DIANDONGJIBAOHUJIANKONGZHUANGZHIYUANLITU

图3 GY205电动机保护监控装置原理图

3D彩票   sW-1XINGDIANDONGJIZONGHEBAOHUQIDEYUANLIRUTU2SUOSHI。DIANLUZHUYAOYOUJUYOUZHONGXINCHOUTOUDEBIANYAQIT,XIAOXINGJIDIANQIZJ,KEKONGGUIKPJIQICHUFADIANLU,YONGREMINDIANZURtHEPUTONGDIANZURZUCHENGDEDIANYAFENPEIQIJIZHENGYUMENDENGZUCHENG。DANGDIANDONGJIGONGZUOZHENGCHANGSHI,NEIBUWENDUXIAOYUYUNXUWENDU,RtTkSHI,RtJUZENG,HENKUAIDADAORT>R,SHIDIANYAFENPEIQIcDIANDIANWEIDEXIANGWEIFASHENGBIANHUA,ucYUuAFANXIANG,ERQIESUIZHEWENDUSHENGGAORtZENGDA,ucDEFUZHIYEZENGDA。YOUCIKEZHIREMINDIANZUDEZUZHISUIWENDUERBIAN,ZUZHIDEBIANHUABUJINYINGXIANGFENYAQIcDIANDEDIANWEIFUZHIHAIYINGXIANGQIXIANGWEI。ZHEIYANGHELIXUANZERZHIJIUKEBAOZHENGDANGDIANDONGJINEIBUWENDUTSHIcDIANDIANWEIYUADIANDIANWEIFANXIANG。

  ZHEIZHONGBAOHUQIDEYOUDIANSHIXIANERYIJIANDE,SHOUXIANTONGYONGXINGHENQIANG,YONGTONGYANGDEZONGHEBAOHUQIKEYIBAOHUJUEYUANDENGJIXIANGTONG,RONGLIANGDAXIAOGEYIDEGEZHONGDIANDONGJI,DUIYUJUEYUANDENGJIBUTONGDEDIANDONGJIZHIYAOXUANPEIBUTONGKAIGUANWENDUDEREMINDIANZUJIKE。QICISHIKEKAOXINGGAO,DUIYUFANYINQIDIANDONGJIWENDUSHENGGAODEGEZHONGGUZHANGJUNNENGBAOHU,ERQIECESHIDIANKEGENJUXUYAOZENGJIA,ZAIYUMENSHURUDUANZUGOUDETIAOJIANXIA,ZENGJIAYIGEBEICEDIANZHIXUZENGJIAYILUDIANYAFENPEIQI,ZAISHUGEBEICEDIANZHONGZHIYAOYOUYIDIANDEBEICEWENDU>Tk,BAOHUQIJIUKEDONGZUO。ZAIZETABUJINKEZUODIANDONGJIZONGHEBAOHU,HAIKEZUOWEIZHOUCHENGGUOREBAOHU,HUOYINGYONGZAIHONGXIANGHENGWENKONGZHIDENGCHANGHE。

 
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