140DAI45300

140DAI45300  磁芯電流探頭可以測試直流電和交流電，并且測試直流電和高頻交流電信號的方法不同。霍爾傳感器用于測量直流和低頻交流電，而電流互感器用于測量高頻交流電。交流電在電流互感器的鐵芯中產生磁場，然后電流在第二個繞組電路中汲取并饋入示波器。如下所示：

交直流混合探頭的結構圖如下：

在降額曲線中，只能在低于10K的頻率下測試15Arms的最大連續電流。

磁芯電流探頭降額功率的主要原因是，當測量高頻和高振幅電流時，探針本身會發熱。這些熱量甚至可能導致探頭融化并損壞。自熱的主要原因有兩個：

1、高頻電流產生交變磁場。磁場在導體上感應出渦流，頻率越高，渦電流越大，渦流會導致導體發熱和渦流損耗。

2、在測量高頻電流時，磁芯電流探頭使用變壓器方法進行測量。隨著高頻信號在導體上產生趨膚效應，導體的電阻增加，導體產生熱量，頻率越高，皮膚現象越明顯。

為了避免熱損壞核心流量探頭，在使用時應考慮待測電流的頻率及其諧波分量及其幅度之間的關系。

專業致力于電力電子變換技術的研發和應用,專業生產變頻電源、直流電源、交流負載、直流負載、回饋式電子負載、回饋式電網模擬器、電池模擬器、充電樁測試負載、光伏逆變器測試設備、新
能源電機電控測試電源及自動化測試系統等產品制造及解決方案廠家，是國內電源行業與測試系統核心技術自動化的高新技術企業。

140DAI45300  

PTQ-PDPMV1
140CPU11302 Quantum
140CPU11303 Quantum
140CPU31110 Quantum
140CPU43412A Quantum
140CPU43412U Quantum
140CPU53414B Quantum
140CPU65150 Quantum
140CPU65160 Quantum
140CPU67160 Quantum
140CPU65260 Quantum
 
Quantum Hot Standby  雙機熱備 
140CHS11000 Quantum
140CHS21000 Quantum
140CHS32000 Quantum
140CHS41010 Quantum
140CHS41020 Quantum
140SHS94500 Quantum

Quantum Power Supply  電源模板 
140CPS11100 Quantum
140CPS11100C Quantum
140CPS11420 Quantum
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140CPS51100 Quantum
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Quantum Digital Input Module 開關量輸入模板 
140DAI34000 Quantum
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140DAI35300C Quantum
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140DII33000 Quantum
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Quantum Digital Output Module 開關量輸出模板 
140DAO84000 Quantum
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140DRC83000 Quantum
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140DVO85300 Quantum
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Quantum Digital Mixed Module 開關量混合模板 
140DAM59000 Quantum
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140DDM39000 Quantum
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140DDM69000 Quantum
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Quantum Analog Input Module  模擬量輸入模板 
140ACI03000 Quantum
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140ARI03010 Quantum
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140ATI03000 Quantum
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140AVI03000 Quantum
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Quantum Analog Output Module  模擬量輸出模板 
140ACO02000 Quantum
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Quantum Analog Mixed Module  模擬量混合模板 
140AMM09000 Quantum
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Quantum Intelligent Module  智能模板 
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Quantum Backplane  背板 
140XBP00200 Quantum
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Quantum Distributed I/O (Modbus Plus) 分布式I/O 
140CRA21110 Quantum
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Quantum Communication Module 網絡通訊模板 
140NOE77101 Quantum
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Quantum Cablefast Connection  Cablefast 預接線系統 
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Quantum Terminal Block and Accecories  端子連接器及附件 
140XCP20000 Quantum
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Safety Quantum系統 
140CPU65160S Quantum
140CPU67160S Quantum
140SAI94000S Quantum
140SDI95300S Quantum
140SDO95300S Quantum

BMEP581020
BMEP582020
BMEP582040
BMEP583020
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BMEP584040
BMEP585040
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BMEH582040
BMEH584040
BMEH586040

140DAI45300