一种新的电力电子电流测量原理

11th International Symposium on Power Semiconductor Devices and ICs. ISPSD'99 Proceedings (Cat. No.99CH36312) Pub Date : 1999-05-26 DOI:10.1109/ISPSD.1999.764117

N. Karrer, P. Hofer-Noser

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引用次数: 53

摘要

提出了一种新的隔离电流测量原理——HOKA。基于这一原理的电流探头已经实现。它的设计额定电流为200a。该探头包含两个不同的传感器:霍尔传感器和空气线圈。测量了200 A直流电流和di/dt为2.5 kA//spl mu/s的瞬态电流，相对误差为5%。

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A new current measuring principle for power electronic applications

A new isolated current measurement principle named HOKA is presented. A current probe based on this principle has been realized. It was designed for a current rating of 200 A. The probe incorporates two different sensors: a Hall sensor and an air coil. DC currents of 200 A as well as transients with a di/dt of 2.5 kA//spl mu/s have been measured with a relative error of 5%.

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11th International Symposium on Power Semiconductor Devices and ICs. ISPSD'99 Proceedings (Cat. No.99CH36312)

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