江苏快3

江苏快3021-31263351

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电流互感器参数

  DIANLIUHUGANQIDEDINGHUOCANSHUANYIWANGFENGONG,DIANLIUHUGANQIDEDINGHUOYOUBIANDIANYICIZHUANYEFUZE,ERCIZHUANYEFUZETIGONGXIANGGUANDEPEIHEZILIAO。SUOYOUDEDINGHUOCANSHUYOUYICIZHUANYEZONGGUIKOU,ERCITIGONGXIANGGUANDEPEIHECANSHUJIYICIZHUANYEHUIZONG。GENJUDL/T725-2000《DIANLIYONGDIANLIUHUGANQIDINGHUOJISHUTIAOJIAN》,EDINGCANSHUBAOKUO(YUERCIZHUANYEXIANGGUANDEPEIHEBIAO*):

  1、EDINGDIANYAJISHEBEIZUIGAODIANYA

  2、JUEYUANYAOQIU

  3、EDINGPINLV

  4EDINGDIANLIU

  5EDINGDUANSHIREDIANLIUHEDUANLUCHIXUSHIJIAN

  6EDINGDONGWENDINGDIANLIU?ZHUNQUEJIJIWUCHAXIANZHI

  7EDINGSHUCHU

  8WENSHENGXIANZHI

  9DUIYUJUYOUZANTAITEXINGDEBAOHUYONGDIANLIUHUGANQIHAIYOU:EDINGYICIDUANLUDIANLIU、EDINGYICISHIJIANCHANGSHU、GONGZUOXUNHUAN

  ERCIXIANGGUANDEPEIHECANSHU:

  EDINGERCIDIANLIUZHI;

  JILIANGHECELIANGYONGDIANLIUHUGANQIZHUNQUEJIDEBIAOCHENG;

  JILIANGYONGDIANLIUHUGANQIYINGZAIXIALIEZHUNQUEJIZHONGXUANQU:

  0.1,0.2s、0.2、0.5s、0.5、1

江苏快3  CELIANGYONGDIANLIUHUGANQIYINGZAIXIALIEZHUNQUEJIZHONGXUANQU:

  0.5、1、3

江苏快3  BAOHUYONGDIANLIUHUGANQIZHUNQUEJIDEBIAOCHENG;

江苏快3  BAOHUYONGDIANLIUHUGANQIDEZHUNQUEJIYINGZAIXIALIEDENGJIZHONGXUANQU

  5P、10P

  ERCIXIANGGUANDEPEIHECANSHU:

江苏快3  JIANSHU?DIANLIUKUODAZHI(YUYICI、ERCIZHUANYEJUNXIANGGUAN);DL/T725

  JILIANGHECELIANGYONGDIANLIUHUGANQIDEYIBIAOBAOANXISHU(FS);

  EDINGYIBIAOXIANZHIYICIDIANLIUYUEDINGYICIDIANLIUZHIBIZHI。CELIANGYONGDIANLIUHUGANQIZAIERCIFUHEDENGYUEDINGZHI,QIEFUHEWUCHADENGYUHUODAYU10%SHIDEZUIXIAOYICIDIANLIUZHIWEIEDINGYIBIAOXIANZHIYICIDIANLIU。ZAIXITONGGUZHANGDIANLIUCHAOCHUIPL(EDINGYIBIAOXIANZHIYICIDIANLIU)SHI,FUHEWUCHAYINGDAYU10%YIXIANZHIERCIDIANLIU,FANGZHIYOUQIGONGDIANDEYIBIAOSUNHUAI。

  ERCIXIANGGUANDEPEIHECANSHU:?

  EDINGSHUCHU(RONGLIANG)(CTEDINGFUZAI)

  2.5、5、10、15、20、25、30、40、50、60、75、80、100VA

  EDINGDIANZUXINGFUHE

江苏快3  DUITPJIDIANLIUHUGANQI,DANGEDINGERCIDIANLIUWEI1ASHI,YI?BIAOSHIDEEDINGDIANZUXINGFUHEBIAOZHUNZHIZAIXIALIESHUZHIZHONGXUANQU:2.5、5、7.5、10、15。DUIEDINGERCIDIANLIUBUSHI1ADEDIANLIUHUGANQI,SHANGLIEZHIANDIANLIUPINGFANGDEFANBIJINXINGHUANSUAN。BAOHUYONGDIANLIUHUGANQIDEZHUNQUEXIANZHIXISHU(P)(ERCIZHUANYEFUHE)

  BAOHUYONGDIANLIUHUGANQIDEZHUNQUEXIANZHIXISHU:5、10、15、20、30DENG。

  EDINGDUICHENGDUANLUDIANLIUBEISHU(TP)(ERCIZHUANYEFUHE)

  JUYOUZHEIZANTAIXINGNENGDEBAOHUYONGDIANLIUHUGANQIDEEDINGDUICHENGDUANLUDIANLIUBEIBIAOZHUNZHIZAIXIALIESHUZHIZHONGXUANQU:

  3、5、7.5、10、12.5、15、17.5、20、25、30、40、50.

  ERCIRAOZUSHULIANGYUJICIZUHEDEYAOQIU;JIANSHU?DIANLIUHUGANQICIJISHULIANGJIJICIZUHEYINGMANZUJIDIANBAOHU、ZIDONGZHUANGZHI、CELIANGYIBIAOJIJILIANGZHUANGZHIDEYAOQIU。

  YIBANQINGKUANGXIAYINGPEIZHIGEZIDULIDEBAOHURAOZU、CELIANGHEJILIANGRAOZU。

  DUIJILIANGHECELIANGYONGDEHUGANQISHIJIFUZAIYINGZAIQIEDINGSHUCHUDE25%~100%,GONGLVYINSUWEI0.8~1DEFANWEINEI,YIBAOZHENGJILIANGHUOCELIANGZHUNQUEJIDEYAOQIU。

江苏快3  CANJIAN《DIANLIUHUGANQIFANBEN》HUO《DIANLIUHUGANQIJISHUBIAOZHUN》SHANGSHUXIANGGUANDEPEIHECANSHUKAOLVXIANGJIANGONGCHENGSHEJIBUFEN

江苏快3  FUJIAN3:DIANLIUHUGANQIDEHESUANFANGFACANSHUXUANZEJISUAN

  BENWENSUOLIEJISUANFANGFAWEIDIANXINGFANGFA,WEIFANGBIANBIAOSHU,BENWENSHUJUJUNANXIABIAOSUOLIECANSHUWEILIJINXINGJISUAN。

  XIANGMUMINGCHENGDAIHAO

  CANSHU

  BEIZHU

  EDINGDIANLIUBIKn

  600/5

江苏快3  EDINGERCIDIANLIUIsn

  5A

江苏快3  EDINGERCIFUZAISHIZAIGONGLVSbn

  30VA(BIANBI:600/5)50VA(BIANBI:1200/5)

江苏快3  BUTONGERCIRAOZUCHOUTOUDUIYINGDESHIZAIGONGLVBUTONG。

  EDINGERCIFUZAIDIANZURbn 1.2Ω

  ERCIFUZAIDIANZURb0.38Ω

  ERCIRAOZUDIANZURct0.45Ω

  ZHUNQUEJI10

江苏快3  ZHUNQUEXIANZHIXISHUKalf15

江苏快3  SHICEGUAIDIANDIANDONGSHIEk

江苏快3  130V(BIANBI:600/5)

  260V(BIANBI:1200/5)BUTONGERCIRAOZUCHOUTOUDUIYINGDEGUAIDIANDIANDONGSHIBUTONG。

   ZUIDADUANLUDIANLIUIscmax10000A

  YI、DIANLIUHUGANQI(YIXIAJIANCHENGCT)EDINGERCIJIXIANDIANDONGSHIXIAOHE(YONGYUHESUANCTSHIFOUMANZUMINGPAIBAOZHENGZHI)

江苏快3  1、JISUANERCIJIXIANDIANDONGSHI:Es1=KalfIsn(Rct+Rbn)=15×5×(0.45+1.2)=123.75V

  CANSHUSHUOMING:

  (1)Es1:CTEDINGERCIJIXIANDIANDONGSHI(WENTAI);

江苏快3  (2)Kalf:ZHUNQUEXIANZHIZHIXISHU;

  (3)Isn:EDINGERCIDIANLIU;

  (4)Rct:ERCIRAOZUDIANZU,DANGYOUSHICEZHISHIQUSHICEZHI,WUSHICEZHISHIANXIASHUFANGFAQUDIANXINGNEIZUZHI:

  5ACHANPIN:1~1500A/5ACHANPIN0.5Ω

  1500~4000A/5ACHANPIN1.0Ω

  1ACHANPIN:1~1500A/1ACHANPIN6Ω

  1500~4000A/1ACHANPIN15Ω

江苏快3  DANGTONGGUOGAIBIANCTERCIRAOZUJIEXIANFANGSHIDIAODACTBIANBISHI,XUYAOZHONGXINCELIANGCTEDINGERCIRAOZUDIANZU。

江苏快3  (5)Rbn:CTEDINGERCIFUZAI,JISUANGONGSHIRUXIA:

  Rbn=Sbn/Isn2=30/25=1.2Ω;

  ——Rbn:CTEDINGERCIFUZAI;

  ——Sbn:EDINGERCIFUHESHIZAIGONGLV;

江苏快3  ——Isn:EDINGERCIDIANLIU。

  DANGTONGGUOGAIBIANCTERCIRAOZUJIEXIANFANGSHIDIAODACTBIANBISHI,XUYAOANXINDEERCIRAOZUCANSHU,ZHONGXINJISUANCTEDINGERCIFUZAI

  2、XIAOHEEDINGERCIJIXIANDIANDONGSHIYOUSHICEGUAIDIANDIANDONGSHISHI,YAOQIUEDINGERCIJIXIANDIANDONGSHIYINGXIAOYUSHICEGUAIDIANDIANDONGSHI。

江苏快3  Es1=127.5V<Ek(SHICEGUAIDIANDIANDONGSHI)=130V

  JIELUN:CTMANZUQIMINGPAIBAOZHENGZHIYAOQIU。

江苏快3  ER、JISUANZUIDADUANLUDIANLIUXIACTBAOHEYUDU(YONGYUHESUANZAIZUIDADUANLUDIANLIUXIACTYUDUSHIFOUMANZUYAOQIU)

  1、JISUANZUIDADUANLUDIANLIUSHIDEERCIGANYINGDIANDONGSHI:Es=Iscmax/Kn(Rct+Rb)=10000/600×5×(0.45+0.38)=69.16V

  CANSHUSHUOMING:

  (1)Kn:CAIYONGDEBIANLIUBI,DANGJINXINGBIANBIDIAOZHENGHOU,XUYONGXINBIANBIJINXINGZHONGXINXIAOHE;

  (2)Iscmax:ZUIDADUANLUDIANLIU;

  (3)Rct:ERCIRAOZUDIANZU;(TONGSHANG)DANGTONGGUOGAIBIANCTERCIRAOZUJIEXIANFANGSHIDIAODACTBIANBISHI,YINGZHONGXINCELIANGCTEDINGERCIRAOZUDIANZU

江苏快3  (4)Rb:CTSHIJIERCIFUHEDIANZU(CICHUQUSHICEZHI0.38Ω),DANGYOUSHICEZHISHIQUSHICEZHI,WUSHICEZHISHIKEYONGGUSUANZHIJISUAN,GUSUANZHIDEJISUANFANGFARUXIA: GONGSHI:Rb=Rdl+Rzz——Rdl:ERCIDIANLANZUKANG;——Rzz:ERCIZHUANGZHIZUKANG。ERCIDIANLANSUANLI:Rdl=(ρl)/s=(1.75×10-8×200)/2.5×10-6=1.4Ω——ρTONG=1.75×10-8Ωm;——l:DIANLANZHANGDU,YI200mWEILI;——s:DIANLANXINJIEMIANJI,YI2.5mm2WEILI;ERCIZHUANGZHISUANLI:Rzz=Szz/Izz2=1/25=0.04Ω;——Rzz:BAOHUZHUANGZHIDEEDINGFUZAIZHI;——Szz:BAOHUZHUANGZHIJIAOLIUGONGHAO,QINGCHAYUEXIANGGUANBAOHUZHUANGZHISHUOMINGSHUZHONGDEJISHUCANSHU,GAICHUYI1VAWEILIJISUAN;——Izz:BAOHUZHUANGZHIJIAOLIUDIANLIUZHI,GENJUSHIJIQINGKUANGQU1AHUO5A,GAICHUYI5AWEILIJISUAN。YIDIANLIUHUILUCHUANLIANn=2GEZHUANGZHIWEILI,JISUANERCIZONGFUZAI:Rb=Rdl+n×Rzz=1.4+2×0.04=1.48Ω

  2、JISUANZUIDADUANLUDIANLIUSHIDEZANTAIXISHUKtd=Ek/Es=130/69.16V=1.88<2.0(YAOQIUDEZANTAIXISHU)

  ——Ktd:ERCIZANTAIXISHU,YAOQIUDADAO2.0YISHANG;

江苏快3  ——Ek:SHICEGUAIDIANDIANDONGSHI。RUOXIANCHANGWUSHICEGUAIDIANDIANDONGSHISHUJU,KEXIANYONGERCIJIXIANDIANDONGSHIDAITIJINXINGXIAOHE。

  ——Es:ERCIGANYINGDIANDONGSHI。DANGTONGGUOGAIBIANCTERCIRAOZUJIEXIANFANGSHIDIAODACTBIANBISHI,XUZHONGXINCELIANGCTGUAIDIANDIANDONGSHI,BINGZHONGXINJINXINGXIAOHE。

  JIELUN:CTDEYUDUXIAOYU2BEIZANTAIXISHUYAOQIU,CTYUDUBUMANZUYAOQIU。