低壓雙繞組型電流互感器品種及選型方法

1、低壓雙繞組電流互感器品種及選型方法1、概述雙繞組電流互感器作為低壓配電系統(tǒng)監(jiān)控電流的采集元件具有兩個繞組,其一(1S1、1S2用于電流表指示,額定二次電流為AC5A或AC1A,其二(2S1、2S2用于遠傳遙測,可與我公司生產(chǎn)的ARTU-M32配套使用,額定二次電流為AC0-20mA;亦可用于電動機保護回路中使用,但由于電流保護回路過載電流為5-8倍,所以確保雙繞組電流互感器的線性至8倍,且電流在8倍時,能保證雙繞組電流互感器的誤差在0.2-0.5%。產(chǎn)品外殼結(jié)構(gòu)采用翻蓋結(jié)構(gòu),外殼采用阻燃、耐溫140的PC材料注塑成形,鐵芯采用冷軋硅鋼帶卷制而成,二次導(dǎo)線采用高強度電磁漆包線,產(chǎn)品結(jié)構(gòu)新穎,造型

2、美觀,安裝方便。產(chǎn)品具有體積小、質(zhì)量輕、準確度高、容量大等特點。2、國內(nèi)主要品牌及型號國內(nèi)生產(chǎn)低壓雙繞組電流互感器廠家、型號品牌繁多,主要常見的產(chǎn)品有:ABB公司LNS2、LNS3、LNS4、LNS5、LNS6、LNS7、LNS8、LNS9;上海安科瑞AKH-0.66S系列雙繞組電流互感器,即AKH-0.66S-30I、AKH-0.66S-40I、AKH-0.66S-50II、AKH-0.66S-60II、AKH-0.66S-80II、AKH-0.66S-100II、AKH-0.66S-120II、AKH-0.66S-200II。3、主要技術(shù)指標(以安科瑞AKH-0.66S為例雙繞組CT一次電

3、流5-6300A,二次電流5A、20mA,1A、20mA;雙繞組傳感器一次電流5-6300A,二次電流AC5A、DC4-20mA,AC1A、DC4-20mA; 額定工作電壓AC0.66kV(等效AC0.69kV,GB/T156-2007額定頻率50-60Hz環(huán)境溫度-3070,最高耐溫120海拔高度3000m工頻耐壓3000V/1min50Hz用于沒有雨雪直接侵襲,無嚴重污染及劇烈震動的場所4、選型說明型號說明 額定電流比規(guī)格如30I 、40I 等雙繞組型規(guī)格尺寸 尺寸規(guī)格外形尺寸(mm穿孔尺寸(mm安裝尺寸(mmW H D ae M N S-30I 85139443111234565S-40

4、I 85139444211314565S-5096146455231/5357.5S-60102143456534/4157.5S-80120148458232/5957.5S-1001501754510352/8057.5S-1201681805012552/8070.5S-2002531806020656/53×383企業(yè)型號額定電壓(kV安裝方式規(guī)格參數(shù)對照表規(guī)格額定電流比(A準確級及相應(yīng)額定負荷(VA穿心匝數(shù)(匝母排規(guī)格(mm/根數(shù)電纜最大外徑(mm安裝方式0.2/0.2級0.5/0.2級1/0.2級S-30I5/5/0.02 2.5*/0.02 2.5/0.0215/22F

5、 10/5/0.02 2.5*/0.02 2.5/0.02815/5/0.02 2.5*/0.02 2.5/0.02520/5/0.02 2.5*/0.02 2.5/0.02425/5/0.02 2.5*/0.02 2.5/0.02330/5/0.02 2.5*/0.02 2.5/0.02340/5/0.02 2.5*/0.02 2.5/0.02250/5/0.02 2.5*/0.02 2.5/0.02260/5/0.02 2.5*/0.02 2.5/0.02275/5/0.02 2.5*/0.02 2.5/0.02130×10/1B,F 80/5/0.02 2.5*/0.02 2.

6、5/0.021100/5/0.02 2.5*/0.02 2.5/0.021150/5/0.02 2.5*/0.021200/5/0.02 2.5*/0.02 5.0/0.021S-40I 200/5/0.02 5.0/0.02140×10/130C,F 250/5/0.02 2.5*/0.02 5.0/0.021300/5/0.02 2.5*/0.02 5.0/0.021400/5/0.02 2.5*/0.02 5.0/0.021500/5/0.02 5.0*/0.0210/0.021600/5/0.02 5.0*/0.0210/0.021S-50600/5/0.02 5.0*/0.

7、0210/0.02150×10/1-2/B 750/5/0.02 5.0*/0.0210/0.021800/5/0.02 5.0*/0.0210/0.0211000/5/0.0215/0.0211200/5/0.0220/0.0211250/5/0.0220/0.021S-60300/5/0.02 2.5*/0.02 5.0/0.02160×10/1-2/C 400/5/0.02 2.5*/0.02 5.0/0.021500/5/0.02 5.0*/0.0210/0.021600/5/0.02 5.0*/0.0210/0.021750/5/0.02 5.0*/0.0210/

8、0.021800/5/0.02 5.0*/0.0210/0.0211000/5/0.0215/0.0211200/5/0.0220/0.0211250/5/0.0220/0.0211500/5/0.0220/0.0212000/5/0.0220/0.021S-8080×10/1-2/C 750/5/0.02 5.0*/0.0210/0.021800/5/0.02 5.0*/0.0210/0.0211000/5/0.0215/0.0211200/5/0.0220/0.0211250/5/0.0220/0.0211500/5/0.0220/0.0212000/5/0.0220/0.021

9、2500/5/0.0230/0.0213000/5/0.0230/0.021S-1001000/5/0.0215/0.021100×10/1-3/D 1200/5/0.0220/0.0211250/5/0.0220/0.0211500/5/0.0220/0.0212000/5/0.0220/0.0212500/5/0.0230/0.0213000/5/0.0230/0.0214000/5/0.0240/0.021S-1202000/5/0.0220/0.021120×10/1-3/D 2500/5/0.0230/0.0213000/5/0.0230/0.0214000/5/

10、0.0240/0.0215000/5/0.0240/0.021S-2002000/5/0.0220/0.021100×10/2-6/D 2500/5/0.0230/0.0213000/5/0.0230/0.0214000/5/0.0240/0.0215000/5/0.0240/0.0216300/5/0.0240/0.021規(guī)格額定電流比(A準確級及相應(yīng)額定負荷(穿心匝數(shù)(匝母排規(guī)格(mm/根數(shù)電纜最大外徑(mm安裝方式0.2/0.2級0.5/0.2級1/0.2級S-30I5/1/0.02 2.5*/0.02 2.5/0.0215/22F 10/1/0.02 2.5*/0.02 2.

11、5/0.02815/1/0.02 2.5*/0.02 2.5/0.02520/1/0.02 2.5*/0.02 2.5/0.02425/1/0.02 2.5*/0.02 2.5/0.02330/1/0.02 2.5*/0.02 2.5/0.02340/1/0.02 2.5*/0.02 2.5/0.02250/1/0.02 2.5*/0.02 2.5/0.02260/1/0.02 2.5*/0.02 2.5/0.02230×10/1B,F80/1/0.02 2.5*/0.02 2.5/0.021100/1/0.02 2.5*/0.02 2.5/0.021150/1/0.02 2.5*/

12、0.021200/1/0.02 2.5*/0.025.0/0.021S-40I200/1/0.02 5.0/0.02140×10/130C,F250/1/0.022.5*/0.02 5.0/0.021300/1/0.02 2.5*/0.02 5.0/0.021400/1/0.02 2.5*/0.02 5.0/0.021500/1/0.02 5.0*/0.0210/0.021600/1/0.02 5.0*/0.0210/0.021S-50600/1/0.02 5.0*/0.0210/0.02150×10/1-2/B750/1/0.025.0*/0.0210/0.021800/

13、1/0.02 5.0*/0.0210/0.0211000/1/0.0215/0.0211200/1/0.0220/0.0211250/1/0.0220/0.021S-60300/1/0.02 2.5*/0.02 5.0/0.02160×10/1-2/C400/1/0.02 2.5*/0.02 5.0/0.021500/1/0.02 5.0*/0.0210/0.021600/1/0.02 5.0*/0.0210/0.021750/1/0.025.0*/0.0210/0.021800/1/0.02 5.0*/0.0210/0.0211000/1/0.0215/0.0211200/1/0.

14、0220/0.0211250/1/0.0220/0.0211500/1/0.0220/0.0212000/1/0.0220/0.021S-80600/1/0.02 5.0*/0.0210/0.02180×10/1-2/C750/1/0.02 5.0*/0.0210/0.021800/1/0.02 5.0*/0.0210/0.0211000/1/0.0215/0.0211200/1/0.0220/0.0211250/1/0.0220/0.0211500/1/0.0220/0.0212000/1/0.0220/0.0212500/1/0.0230/0.0213000/1/0.0230/0

15、.021S-1001000/1/0.0215/0.021100×10/1-3/D1200/1/0.0220/0.0211250/1/0.0220/0.0211500/1/0.0220/0.0212000/1/0.0220/0.0212500/1/0.0230/0.0213000/1/0.0230/0.0214000/1/0.0240/0.021S-1202000/1/0.0220/0.021120×10/1-3/D2500/1/0.0230/0.0213000/1/0.0230/0.0214000/1/0.0240/0.0215000/1/0.0240/0.021S-200

16、2000/1/0.0220/0.021100×10/2-6/D2500/1/0.0230/0.0213000/1/0.0230/0.0214000/1/0.0240/0.0215000/1/0.0240/0.0216300/1/0.0240/0.021注:準確級及其相應(yīng)額定負荷欄中有“*”標注的為特殊規(guī)格,訂貨時請說明。4.1AKH-0.66SM 自控儀表用電流傳感器(雙繞組電流傳感器產(chǎn)品特點AKH-0.66SM 型雙繞組電流傳感器可有兩路輸出,其一(1S1,1S2輸出AC0-5A 或0-1A ,與測量、計量裝置配套使用;其二(2S1+,2S2-輸出DC4-20mA ,與自控儀表(如

17、PLC 配套使用,其中輔助電源DC24V 由PLC 供電。型號說明 額定電流比規(guī)格如50I帶模擬量輸出的雙繞組企業(yè)型號額定電壓(kV安裝方式 規(guī)格尺寸尺寸規(guī)格外形尺寸(mm穿孔尺寸(mm安裝尺寸(mm W H D a eM NSM-50I96146455231404060 SM-6098145456231.5/4257.5 SM-80118152458232/6057.5 SM-1001401554910232/7557.5 SM-1201671874812252/5457.5 SM-2002462085620661/18857.5規(guī)格參數(shù)對照表規(guī)格額定電流比(A準確級及相應(yīng)額定負荷(VA/穿

18、心匝數(shù)(匝母排規(guī)格(mm/根數(shù)電纜最大外徑(mm安裝方式0.2/0.5級0.5/0.5級1.0/1.0級SM-50I5/5/4-20mA 2.5/50030/40F 10/5/4-20mA 2.5/5001515/5/4-20mA 2.5/5001020/5/4-20mA 2.5/500825/5/4-20mA 2.5/500630/5/4-20mA 2.5/500540/5/4-20mA 2.5/500450/5/4-20mA 2.5/500360/5/4-20mA 2.5/500375/5/4-20mA 2.5/500280/5/4-20mA 2.5/5002100/5/4-20mA 2.

19、5/5002150/5/4-20mA 2.5/500150×10/B,F1-2 200/5/4-20mA 2.5/5001250/5/4-20mA 2.5/5001300/5/4-20mA 5.0/5001400/5/4-20mA 5.0/500500/5/4-20mA10/500600/5/4-20mA10/500750/5/4-20mA10/500800/5/4-20mA10/5001000/5/4-20mA10/5001200/5/4-20mA15/5001250/5/4-20mA20/500SM-60300/5/4-20mA 5.0/500160×10/1-2/C

20、400/5/4-20mA 5.0/5001500/5/4-20mA10/5001600/5/4-20mA10/5001750/5/4-20mA10/5001800/5/4-20mA10/5001000/5/4-20mA10/5001200/5/4-20mA15/5001250/5/4-20mA20/5001500/5/4-20mA20/5002000/5/4-20mA20/500SM-80600/5/4-20mA10/500180×10/1-2/C 750/5/4-20mA10/5001800/5/4-20mA10/50011000/5/4-20mA10/50011200/5/4-2

21、0mA15/50011250/5/4-20mA20/5001500/5/4-20mA20/5002000/5/4-20mA20/5002500/5/4-20mA30/5003000/5/4-20mA30/500SM-1001000/5/4-20mA10/5001100×10/1-2/D 1200/5/4-20mA15/50011250/5/4-20mA20/50011500/5/4-20mA20/50012000/5/4-20mA20/50012500/5/4-20mA30/50013000/5/4-20mA30/50014000/5/4-20mA30/5001SM-1202000/

22、5/4-20mA20/5001120×10/D 2500/5/4-20mA30/50013000/5/4-20mA30/50011-3 4000/5/4-20mA30/50015000/5/4-20mA30/5001SM-2002000/5/4-20mA20/5001200×10/1-3/D 2500/5/4-20mA30/50013000/5/4-20mA30/50014000/5/4-20mA30/50015000/5/4-20mA30/50016300/5/4-20mA30/5001規(guī)格額定電流比(A準確級及相應(yīng)額定負荷(/穿心匝數(shù)(匝母排規(guī)格(mm/根數(shù)電纜最大外徑

23、(mm安裝方式0.2/0.5級0.5/0.5級1.0/1.0級SM-50I5/1/4-20mA 2.5/50030/40F 10/1/4-20mA 2.5/5001515/1/4-20mA 2.5/5001020/1/4-20mA 2.5/500825/1/4-20mA 2.5/500630/1/4-20mA 2.5/500540/1/4-20mA 2.5/500450/1/4-20mA 2.5/500360/1/4-20mA 2.5/500375/1/4-20mA 2.5/500280/1/4-20mA 2.5/5002100/1/4-20mA 2.5/5002150/1/4-20mA 2.

24、5/500150×10/1-2B,F 200/1/4-20mA 2.5/5001250/1/4-20mA 2.5/5001300/1/4-20mA 5.0/5001400/1/4-20mA 5.0/500500/1/4-20mA10/500600/1/4-20mA10/500750/1/4-20mA10/500800/1/4-20mA10/5001000/1/4-20mA10/5001200/1/4-20mA15/5001250/1/4-20mA20/500SM-60300/1/4-20mA 5.0/500160×10/1-2/C 400/1/4-20mA 5.0/5001500/1/4-20mA10/5001600/1/4-20mA10/5001750/1/4-20mA10/5001800/1/4-20mA10/500 1000/1/4-20mA10/50