140DAI45300  磁芯电流探头可以测试直流电和交流电，并且测试直流电和高频交流电信号的方法不同。霍尔传感器用于测量直流和低频交流电，而电流互感器用于测量高频交流电。交流电在电流互感器的铁芯中产生磁场，然后电流在第二个绕组电路中汲取并馈入示波器。如下所示：

交直流混合探头的结构图如下：

在降额曲线中，只能在低于10K的频率下测试15Arms的最大连续电流。

磁芯电流探头降额功率的主要原因是，当测量高频和高振幅电流时，探针本身会发热。这些热量甚至可能导致探头融化并损坏。自热的主要原因有两个：

1、高频电流产生交变磁场。磁场在导体上感应出涡流，频率越高，涡电流越大，涡流会导致导体发热和涡流损耗。

2、在测量高频电流时，磁芯电流探头使用变压器方法进行测量。随着高频信号在导体上产生趋肤效应，导体的电阻增加，导体产生热量，频率越高，皮肤现象越明显。

为了避免热损坏核心流量探头，在使用时应考虑待测电流的频率及其谐波分量及其幅度之间的关系。

专业致力于电力电子变换技术的研发和应用,专业生产变频电源、直流电源、交流负载、直流负载、回馈式电子负载、回馈式电网模拟器、电池模拟器、充电桩测试负载、光伏逆变器测试设备、新
能源电机电控测试电源及自动化测试系统等产品制造及解决方案厂家，是国内电源行业与测试系统核心技术自动化的高新技术企业。

140DAI45300  

PTQ-PDPMV1
140CPU11302 Quantum
140CPU11303 Quantum
140CPU31110 Quantum
140CPU43412A Quantum
140CPU43412U Quantum
140CPU53414B Quantum
140CPU65150 Quantum
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140CPU67160 Quantum
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Quantum Hot Standby  双机热备 
140CHS11000 Quantum
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140CHS41010 Quantum
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Quantum Power Supply  电源模板 
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140CPS11420 Quantum
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140CPS12420C Quantum
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140CPS51100 Quantum
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Quantum Digital Input Module 开关量输入模板 
140DAI34000 Quantum
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140DAI35300C Quantum
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Quantum Digital Output Module 开关量输出模板 
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140DIO33000C Quantum
140DRA84000 Quantum
140DRA84000C Quantum
140DRC83000 Quantum
140DRC83000C Quantum
140DVO85300 Quantum
140DVO85300C Quantum
 
Quantum Digital Mixed Module 开关量混合模板 
140DAM59000 Quantum
140DAM59000C Quantum
140DDM39000 Quantum
140DDM39000C Quantum
140DDM69000 Quantum
140DDM69000C Quantum
 
Quantum Analog Input Module  模拟量输入模板 
140ACI03000 Quantum
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140ARI03010 Quantum
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140ATI03000 Quantum
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140AVI03000 Quantum
140AVI03000C Quantum
 
Quantum Analog Output Module  模拟量输出模板 
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Quantum Analog Mixed Module  模拟量混合模板 
140AMM09000 Quantum
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Quantum Intelligent Module  智能模板 
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Quantum Backplane  背板 
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140XBP00400C Quantum
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Quantum Remote I/O (S908-Coax.)   远程I/O系统 
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Quantum Distributed I/O (Modbus Plus) 分布式I/O 
140CRA21110 Quantum
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Quantum Communication Module 网络通讯模板 
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Quantum Cablefast Connection  Cablefast 预接线系统 
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Quantum Terminal Block and Accecories  端子连接器及附件 
140XCP20000 Quantum
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140XTS00200 Quantum
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Safety Quantum系统 
140CPU65160S Quantum
140CPU67160S Quantum
140SAI94000S Quantum
140SDI95300S Quantum
140SDO95300S Quantum

BMEP581020
BMEP582020
BMEP582040
BMEP583020
BMEP584020
BMEP584040
BMEP585040
BMEP586040
BMEH582040
BMEH584040
BMEH586040

140DAI45300