电流互感器基础知识介绍
电流互感器(CT)用于测量和监控电力系统中的电流。它通过电磁感应原理将高电流转换为较小的标准电流,方便仪表和保护装置进行测量和监控。
主要基础知识包括:
工作原理:利用电流互感器的原理,将主电流通过其绕组产生磁场,再通过磁场在二次绕组中感应出较小电流。
额定值:包括额定电流、额定比率和额定负载,决定其性能和适用范围。
精度等级:确定测量和保护的准确性,常见等级有0.1、0.2等。
应用:用于电力测量、保护和控制系统,如电流表、继电保护和监控设备。
电流互感器能有效地隔离高电流系统,并使得电气测量变得更加安全和方便。
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详解电流互感器的操作、类型和极性注意事项
本文TOPPOWER将介绍电流互感器及其在将大电流转换为小电流方面的重要作用,包括绕组比、类型以及保持计量极性的重要性。
技术探讨 发布时间 : 2024-04-10
赛特勒(ZETTLER)高精度电流互感器选型表
ZETTLER提供以下参数的高精度电流互感器选型,Current Range:0.1Arms~30Arms,Turns Ratio:1:500~1:2000,Rimax:5Ohms~250Ohms,Output:0.06V/A~0.133V/A,Secondary Resistance max:20DC/Ohms~400DC/Ohms。
产品型号
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品类
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Current Range(Arms)
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Turns Ratio
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Rimax(Ohms)
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Output(V/A)
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Secondary Resistance (DC/Ohms)max
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ZCT13050
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高精度电流互感器
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0.1 〜10 Arms
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1:500
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30
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0.06
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25
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选型表 - ZETTLER 立即选型
优利德推出多功能、高精度的漏电流检测利器:UT251A+/UT252C/UT253C钳形漏电流表
UT251A+/UT252C/UT253C钳形漏电流表集成先进的CT技术、数字集成技术和磁性屏蔽技术,确保在各种复杂的电磁环境下仍能提供高精度、高稳定性和高可靠性的测量结果,广泛应用于电力、通信、气象、铁路、油田、建筑、计量、科研教学单位以及工矿企业等领域的漏电流测试。
器件选型 发布时间 : 2024-09-20
【选型】Littelfuse(力特)保护继电器选型指南
目录- 产品安全、应用及快速选型指引介绍 接地故障保护 电动机和泵保护 电动机保护更新 辅助监控 馈线保护 继电器软件 继电器测试设备 附件 保护概述 术语表 接地故障保护 电动机保护 辅助监控 电流互感器应用 电阻接地转换 接线图 IEEE/ANSI编号 中线接地电阻器和电流互感器规格表 快速参考指南
型号- SE-330-01-00,RK-325,PGC-3000,PR,RK-3251,PGK0013,PGK0014,PGH FAMILY,PGR-6300-01-00,PGC-6210,PGC-3000-,DFR,PPI-600V,PGA-0510,PGC-6080,SE-TAGASF-WL,DFT,SE-145-03-00,PGR-6150-OPI,RK-332,PGR-2601,PGR6210,PGR-7200-01-00,CTS,PGC 5000,PGK系列,SE-CS40-6,SE-TA6ASF-WL,ER-72KV,SEA系列,SE-TA6A-WL,PGC系列,SE325,PGR-631,PGR4704,SE-134C,SE-325,PGK-0003,RK302,PGK-0006,PGA-0500,PGW-COMM,PGR-7200-00-00,RK系列,RK-105,SER,RTD,PGC-3140,SE-CS30-8,SE-TA6-SM,RK-1051,SE-CS30-6,EFCT-26,SE-CS30-5,PGM-6800,VPG-7200,SE-134C-00,PGR-6801-24,PGG-0780,EFCT-1,EFCT-2,SE,RTU,SE-485-D|N,SE-330,PGR-6310,SIO-RTD-02-00,SE-CS30-4,PGR 7000,PGM8000,PGR7200,PGR-6802-120,SE-330HV,PGR5701,PGR-8600,PGR-6200-04-00,RK-105I,TA,PQM,PGR-6802-240,SECS10,SE135,CT,PGA-0400,PGR-6300,CT200,PGR-4000,SE-105,SE-485-DIN,PGR5701-OT,RK-102,PGC-3026,SE-107,PGC-2056,PGC-5200,SE-145-03-10,PGB系列,SETA12A,SE330-00-00,ER-25KV,PGC-31FC,PGR620001-00,PGR-3100,PGK-0016-RTDB,SIO-RTD,PGA-0CIM,RK-13,PGB-6150,SE325,PGW-OSTT,EFCT-1FC,RK-132,SCE-135,PGR-2000,PGR-4704-OT,PGR-4300,PGR-6200-02-00,PGR-4704-OU,PGC3000,ER,PGH系统,PGE系列,PGG-0500,PGA-0140,PGR2601,SE-CS10-2.5,PGR-4704-OD,AFD,PGR6200,SE-CS30-70,SE-105E-107,PGR-7200-04-00,VPG,PGR-6131-24,PDC,PGR-4300-120,PGB-6800,PGB-6130,PGR-6131-240,PGR-6131-120,PGR-860,SE-14500-00,SE105,PGM 8000,PGR-3000,PGC-5130,SE330-01-00,PGC-2089,SETA6A,PGR6310,ER-35KV,PGR-2601-OD,SE-330-02-00,PGC2000-,SE-TA6,PGR-6802-24,SE-TA12B,SE-TA12A,PGG-0048,EFCT,SE-CS10-,PGR-2601-OU,PGR-2601-OT,SE-502-01PGR-5701-OD,SE-14500-10,PGM-3200,RIO,PGA-016A,PGC-5000,PGC-6210,PGR-6801-120,PP1-600V,PGR-6801-240,PGH-6000,SE-MON330,SE-CS10-8,CLK,SE-CS10-6,PGC-3082,SE-CS10-4,PGC2000,PGR-6133-24,SE-330AU,PGR-6803-24,ER-600V,1N5339B,PGR-6130,SE-107D,ER-5KV,PGC FAMILY,PGC-6000,SE-107E,PGR-6100-240,PGR-6100-120,SE-145-00-10,SE-325E,PGR-6300-04-00,ER-15KV,SSE-502,PGB,PGR6200-00-00,PGA,PGR-6800,PGC,PGG-1000,VPG-6300,PGR3100,PGE,PGH,PGG,PGC-5000-,PGG系列,PGK,PGM,PGC-6110,SE-145-00-00,PGR6802-120,PGC-5025,PGK-0SMK,SE-601,PGW-FLSH,PGK-016A,PGR-3200,PGR-6300-03-00,PGR-630002-00,SE-330-03-00,PGR-6200-01-00,SE-135-00,PGC-200,PGG-0024,PGR-6150,PGC 2000,SE-CS30-26,PGR6132-120,SE-105D,PGR-615024,PGK-0055,SE-105E,PGH-5000,PGR-6132-240,PGR-6132-120,SECS40SE-325,PGR-6132-24,PGA-051,PGG-0250,PGG-0125,PGR-SE-134C,PGA-0120,PGK-0060,HIZ,PGA-OCIM,SE-CS40,SE-502,PGR-4300-12,PGR-7200-02-00,SE-325,PGM-8600,SE-TA12A-WL,PGC5000-,PGR-330,PGR-570,PGR6801-240,SECS30,PGR-6210,SE-CS30,PGR-5000,SE-TA6A,SE330-03-00,SE-TA12ASF-WL,PGR-4704,PGC-2000,PGR-4300-24,SE-330-00-00,PGR-5701-OU,PGK-OSMK,SE-330,PGR-5701-OT,PGR6801-120,SECS40,PGA-0420,PGT-0400,PGC-5060,PGR-6200,NGR,PGR-5701-OD,RK102,PGC-6035,PGA系列,TCM,CT200L,PGR-5704,PGH6000,PGR-6150-24,RK-302,SE-107,SE-105,PGK-0009,PGR4300,PGR-5701,SE-ICUSB232,E-325,RK132,DDR,PGR-7200,SE502,PGC-6060,SE-CS10,PGC-5095,PGK-0014,ER系列,PGK-0015,PGK-0016,SE-135,PGK-0010,PGR-6803-120,PGK-0012,PGR-6803-240,PGK-0013,PGC5000,PGR-6300-02-00,SE-100T,PGR-6200-00-00,PGR3200,VPG-6200,PGR-6150-120,SE-60130,PGR-6100,SE-145,PGR-6133-240,SE-502-01,PGH系列,PGR-6133-120,PMU,PGR 6000,PGR-6150-0PI,PGK-0024
【选型】Weidmueller(魏德米勒)测量和监控系统产品选型指南
目录- Industrial IoT with measuring and monitoring systems Monitoring systems Energy measurement & analysis devices Overview Energy Meter Energy analyser Energy & Data Logger u-sense vibration/ energy drives IoT-terminal Current transformer Retrofitting energy management solutions Peripherie Energy Management Automation kit Industrial Ethernet product line Energy Suite ecoExplorer go Software u-create system u-link system service and support Measuring & monitoring systems order number index
型号- KCMA-18-150-1A-1VA-1,KCMA-28-300-5A-1.5VA-1,2753040000,KCMA-18-250-1A-4VA-3,POWER MONITOR BRACKET,UR20-2CNT-100,2420940000,2420000000,2603440000,2420780000,2090000000,KCMA-42-800-5A-2.5VA-0.5,2476450000,KCMA-18-150-5A-1VA-1,8000000000,KCMA-42-400-1A-2.5VA-0.5,1470000000,2656280000,2680220000,KCMA-42-250-1A-2.5VA-1,2540870000,ENERGY METER 610-PB-230,CMA-31-60-5A-1,25VA-1,POWER MONITOR,KCMA-42-400-5A-5VA-1,1334990000,2753200000,2716650000,1350930000,KCMA-42-300-1A-2.5VA-1,PNP-U-MOD-TCP,CMA-101-2500-5A-10VA-0,5,BATTERY-CR1220-3V,KCMA-32-400-5A-5VA-1,CMA-RCM-DACT-120,2665170000,CMA-CTM-7-64-1A-0.5VA-1,KCMA 5-500-5A-2.5VA-0.5,PM 2.7/2.6 MC NE WS,1339920000,KCMA-32-400-1A-5VA-1,2753430000,UR20-PK-1315170000-SP,UR20-PK-2476450000-SP,2500870000,KCMA-28-200-1A-0.3VA-1,8000028952,2728140000,8000028950,8000028951,1347290000,KCMA-8-1000-5A-5VA-0.5,1430000000,KCMA-8-1500-5A-15VA1,2495610000,UV20-B-IPC-2001.02,UV20-B-IPC-2001.01,KCMA-42-1000-5A-2.5VA-0.5,UV20-B-IPC-2001.03,KCMA-8-2500-5A-15VA1,RCMA-B22-D175-4.5,UR20-BM-SP,2684410000,CMA-31-400-5A-5VA-0,5,2665810000,2665800000,2753210000,2716660000,CMA-31-250-5A-5VA-1,1562270000,EM-CONNECTIVITY-BOX 144,LST CT-BLOCK,POWER MONITOR 51A,2600000000,2656270000,2603450000,ENERGY METER 750-24,KCMA-18-150-1A-2VA-3,1310000000,1320000000,KCMA 5-600-5A-2.5VA-0.5,CMA-31-250-5A-5VA-0,5,KCMA-28-500-5A-3VA-1,KCMA-42-600-1A-2.5VA-0.5,KCMA-28-500-1A-1VA-0.5,2650000000,CMA-61-1500-5A-5VA-0,5,2540000000,2753030000,2680150000,2680210000,2728210000,2420950000,2540860000,CMA-51-1250-5A-5VA-0,5,KCMA-8-2000-5A-15VA1,KCMA-8-4000-5A-15VA1,2420770000,KCMA-18-200-1A-1.5VA-1,ENERGY METER SEAL L144,ENERGY METER 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L1,1483050000,2728160000,2753150000,EM-CONNECTIVITY-BOX 96,1340000000,KOSM BHZ5.00,2420890000,PNP-16-MOD-TCP,2540910000,UR20-PK-2007420000-SP,1346610000,2540850000,2420990000,KCMA-28-400-1A-2.5VA-1,RCMC-5000-AO-P,UR20-EM-1315180000-SP,2556030000,1560000000,2540920000,2728110000,2753100000,KCMA-8-250-5A-1.5VA1,PM 2.7/2.6 MC SDR,ESO UR20 DIN A4 WS,KCMA-18-125-1A-0.5VA-1,2593370000,2007420000,CMA-31-600-5A-5VA-1,2420900000,2753080
Littelfuse(力特)保护继电器和控制装置选型指南
描述- Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 17,000 global associates, Littelfuse partners with customers to design and deliver innovative, reliable solutions.
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SERIES,201-XXX-SP SERIES,LLC52BA,A0220 SERIES,460-200-SP,ALT230-S-SW,HRDR121A4R,LLC52AA,ORB120A160,P0400-82,TDI SERIES,PC-XXXLLC-CZ SERIES,P0400-83,DCSA5,PC-XXX-LLC-GM,P0400-86,SLR,INFORMER-MS,HRDB321,CT-0150-D10,PGC-4064,HRDB324,KSDB SERIES,FS512,ECSW4MBHT,TSDR612.5SA4.5S,TMV8000 SERIES,TSD2411S,ECSW4MBGT,FS524,CT-XXXX-DXX,KSDR SERIES,RS SERIES,P1004-XX,MPU-32-X69X–XXX00,WVM,SLR1610A,KSD1320,ASQU SERIES,TS1424,TS1423,TS1422,TS1421,HRDR330A0R,TSB222,77C SERIES,T10,CT-1200-F15,NGR SERIES,NGR1080,TS1416,NGR1081,TS1415,HRISW21FT,TS1412,KRPS913MB,HLMUDNAAN,202-575-RP,CT-0300-F10,TSD7621,LSRU-115-OR-2,DCSA50,HLMU,EL731-23-X0,NGR1077,NGR1078,NGRM-ENC-230-00,TRDU24A1,NGR1079,TRDU24A2,AF0100-10,TRDU24A3,SB6100-21X-0,NGR1070,NGR1071,NGR1072,NGR1073,NGR1074,ESDR450A1,NGR1075,NGR1076,ECS40AC,TVM460A75S2M,PMA-16-RTDB,PGR-3200-120,SE-703-0U-0X,ESDR123B4P,FS SERIES,NGR1066,NGR1067,D1100,PLR SERIES,NGR1068,AF0100-00,NGR1069,202,KSDB120P,KRPSD25S,TRM24D1X2,777-HRG-P2,ECS40BC,TRDU120A3,TRDU120A1,TRDU120A2,ERDM4130S,TDS120ALD,LLC14B60AX,ISS-102 SERIES,TDIH SERIES,NGR1050,NGR1051,NGR1052,NGR1053,TVW6510S0.4S,FB230A,CT-0300-F20,KSD3432A,PGE-05KV,DCSA20,LLC2,LLC1,LLC6,NGR1045,LLC5,ALT-XXX-1-SW,LLC4,SE-330AU-XX-0X,TVM230A101S1S,LLC8,SC4 SERIES,T10120,NGR1041,KSPSN13MI,VTP0E,PGE-35KV,FS100,TDB12D,T10S400,TSDR4412SA1,LLC842F103M,TDSL SERIES,KRD92115MB,FPU-32-00-00,201-200-SP-DPDT,KRD92115MA,ECSH4HAD,SE-GRM250,PGR-4300 SERIES,NGR1036,PMA-23,NGR1038,PMA-24,PMA-21,ERDM429,ERDM425,KRDB SERIES,ERDM427,FS590,NGRM-ENC-431-21,ER-72KV,777-MV-P2,240,460-MR,PCR SERIES,TDBL120AL,TS1211.5,EL731-11-X0,CT30S1,LLC4 SERIES,KSDS230,PGC-3140,3506002,FS126,FS127,TSD2434,DSQU SERIE,TDB24DL,T2D120A15M SERIES,TDUSH3001A,ALTXXX-X SERIES,THD7421A,TDUIL3001A,ERDM423,ECS6HAH,ERDM422,TDSH120AL,RS4B12,FPS SERIES,TS13115,PMA-18,HRPSD12HI,PMA-16,KSDU SERIES,PMA-17,LLC825F5M,LSRU-115-AL-3,PMA-14,PMA-15,PMA-12,LSRU-115-AL-2,PMA-13,PMA-10,TSDS421,SE-105,MPS-CTU-01-00,ORM24D13.5,TH1 SERIES,TDUIL3002A,MSM450W6,SE-107,DLMUBLAAA,FS143,TSU2000,FS146,RS1A11,KSPU SERIES,SB5060-20X-0,LLC44B4A,TCR9C,MSM42W6,50R-100-2,TDUB SERIES,THDB SERIES,FS152,777-HP-P2,PGR-8800-00-CC,LSR-XXX,LLC14B15AX,TS441165,PGR-4300,TSD24145S,ASXX,LSRU-115-OU-1.5,KSD2221,ORB,FS162,TA24A5,KRDR424A4,KSDR40A0,TA24A3,HRDR321A4R,TRM24A8Y5,KRDR424A0,TH1C415,TSDR6412SA1,ORM,RK-310X-0Y,SIR1A20A4,ALT115-S-SW,ORS,VMPS,TDIL SERIES,LLC44B2A,VMPU,FPS-CTU-03-00,ORB24A25,BZ1,777-ACCUPOWER,HRPS SERIES,PHST-38QTN,TS2412,LSRX-C,350200,HLMUDRAAA,LLC44B1A,KSD2413M,TRDU SERIES,TSS SERIES,SIR1A1A4,KRPSA24M,TL230A5,ECS2HBC,TS2421,PC-100-LLC-CZ,TS2422,TS2423,PGA-LS20,777-575-HRG-P2,IR KIT-12,TSDR6110SA30S,1N5339B,AC700-SMK,KRDB21180S,KRPSA22B,ER-15KV,PGA-LS30,TDB120ALD,LLC44B5F100,TSS421,ISS-102A-LC,202-200-SP,MPS-469X,TVM480A100.5S3S,KRDM121,ARP43,ARP41,777-KW-P2 SERIES,HRDR431A1R,MPU-32-X69X,TSS424,TSS422,TSD6310.8SN,THDS SERIES,KRPD SERIES,601575,ASTU SERIES,TS121150,PGA-LS10,VTP5N,460L-OEM,TCSA50,LLC44B5A,TDUIL,ELCT,SE-CS40,TDUIH,SE-502,TDR2A23,VTP4B,TSDR215SB18M,VTP4F,NGRUS003,VTP4J,P0200-20,PC-100-LLC-GM,P0200-19,SE-CS30,NGRM-ENC,PCR11,PCR10,TDUL SERIES,PMA-60,WVM611AL,PLS480A,PRLM423,VTP3B,ECSW,PGR-8800-00,PCR13,PCR12,PLM6502,ESDR120A0P,SB5032-21X-0,ESDR424A1,WVM611AH,ERDI436,VTP2C,VTP2A,TDUSL3000A,VTP2F,TCS,VTP2E,ORB SERIES,VTP2J,202-200-SP SERIES,KSPSA21FT,MPS-469X–XX000,SCR490D,THC421C,ELCT30-88,IR KIT-36,VTP2P,TDB,P1004-9,202 SERIES,SE-CS10,TDI,KRDR420A3,ECSL31A,KRDB415S,TDM,TSD7611S,VTP1B,TDS,SERIES,TS141180,TDR,TDU,VTP1D,VTP1C,MSM11W6,MSM210P3,TDB24AL,MPS-RTD-01-00,PGR-6100,PMA-55,PGR-6101,ARP23S,50R200,PLS120A,PGR-6100 SERIES,KSDB330N,KRDB,777-575-TS,FA155,KRDI,ALT115-X,KVM4,KRDM,ALT115-S,ECSH34F.08C,KRDB1120M,TDML120AL,KRDS,EFCT SERIES,KRDR,KVM6,TDUIL SERIES,EL731-04-X0,MPS-469X-PMA24,PGR-2601,THD1B410.5S,201-100-DPDT,AF0500 SERIES,ECS40A,SE-TA6A SERIES,TDM12DL,NGRM-ENC-231-01,TSDR442MA2,ELCT5,77C-KW SERIES,KRD3,FS219-45,ISS-102AA-DCS,TH1,A0220.0040,KRD9,KSDB1115SP,TDR4A23,MPU-32-X69X-PMA16,KVM,KRDM1110S,EFCT-26,111P,FS126RC-45,THC,T
Magnetec开发的传感器可以在电气绝缘的情况下测量交流电流以及交流和直流剩余电流
Magnetec电流传感器的磁芯由纳米晶合金NANOPERM制成,将以这样一种方式集成到您的应用中,即当线圈穿过传感器时,可以非常准确地测量线路或电缆中的电流。电流隔离测量通过交流应用中的电流互感器(CT)实现,而RCD可以检测应用中的交流和直流剩余电流。
原厂动态 发布时间 : 2023-07-11
顺络面向新能源汽车电池管理系统(BMS)应用需求,提供绕线贴片功率电感和电流互感器等优质解决方案
电池管理系统BMS,承载着电池物理参数实时监测、电池状态估计、充放电与预充控制均衡管理、热管理等功能,管理和监控着动力电池。有效防止电池过充过放电、帮助电池正常运行、提高电池使用率、延长电池使用寿命,顺络电子为BMS提供系统的元器件解决方案。
原厂动态 发布时间 : 2022-04-27
【应用】应用于智能电网和电气计量系统的电流互感器,实现高效精准计量
Standex-Meder的电流互感器产品适用于智能电网和计量应用,能够帮助电力公司及时了解消费者的电能使用情况,实现准确高效的计量功能。
新应用 发布时间 : 2019-08-30
CT3613□□□□SA-□□□ current transformer Data sheet
型号- CT36131000SA-□□□,CT3613□□□□SA-□□□,CT36132500SA-□□□,CT3613,CT36132000SA-□□□
电子商城
现货市场
服务
可定制LED组件/LED传感/UV模组的电压、电流、波长等性能参数,电压:3-24V,,电流:30-3500mA,波长:270-940nm;材质:食品级POM,阻燃PC;防水等级:IP20-IP68。
最小起订量: 1000 提交需求>
可自由定制铜排形状尺寸;检测精度:0.5%~1.0;电流测量范围 ±300-500A。低噪音 (0.27mVpp);低磁力残余误差:2mV;响应性能<4μSec;支持RoHS指令 、AEC-Q200。
最小起订量: 100个 提交需求>
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