电磁兼容电流探头传输阻抗温度误差修正方法

doi:10.3969/j.issn.1000-1093.2016.04.020

兵工学报 ›› 2016, Vol. 37 ›› Issue (4): 712-718.doi: 10.3969/j.issn.1000-1093.2016.04.020

电磁兼容电流探头传输阻抗温度误差修正方法

何洋，高万峰，张建伟，张春喜，李艳

(白城兵器试验中心，吉林白城 137001)

收稿日期:2015-04-16 修回日期:2015-04-16 上线日期:2016-06-20
作者简介:何洋（1974—），男，工程师
基金资助:
武器装备预先研究项目（51333050401）

A Method for Temperature Error Correction of Transfer Impedance of EMC Current Probe

HE Yang， GAO Wan-feng， ZHANG Jian-wei， ZHANG Chun-xi， LI Yan

(Baicheng Ordnance Test Centre，Baicheng 137001, Jilin, China)

Received:2015-04-16 Revised:2015-04-16 Online:2016-06-20

摘要/Abstract

摘要： 为了解决外场电磁兼容性试验时环境温度影响电流探头测量精度的问题，通过温度变化对电流探头传输阻抗影响机理进行分析，得到了绕线电阻、分布电阻与分布电容等传输阻抗的主要参数与温度的关系。提出了一种电流探头传输阻抗温度误差的修正方法，并选取典型电流探头进行实验测试，获得了其传输阻抗随温度的变化规律和相对误差修正曲面。与标准实验室的实验结果进行比对，验证了该方法的正确性和有效性。结果表明，该方法能在确保测量精度的前提下，将电流探头的使用环境温度扩展到-40 ℃～50 ℃，减小了外场试验测试误差。

关键词: 兵器科学与技术, 电磁兼容, 电流探头, 传输阻抗, 温度, 修正, 校准

Abstract: In order to improve the measuring accuracy of current probe influenced by ambient temperature in field EMC (electromagnetic compatibility) test, the mechanism of temperature affecting on the transfer impedance of current probe is analyzed, and the quantitative relations among winding resistance, distributed resistance, distributed capacitance and temperature are given. A calibration method of current probe is presented based on the temperature error compensation, the law that transfer impedance changes with temperature and the curve of temperature error compensation are given, the validity and effectiveness of the proposed method is proved by comparing the test results with the laboratory results. The results show that the method can be used to expand service ambient temperature of the current probe from -40 ℃ to 50 ℃ on the premise of ensuring measuring accuracy, and reduce the measurement error in field test.

Key words: ordnance science and technology, electromagnetic compatibility, current probe, transfer impedance, temperature, correction, calibration

中图分类号:

TM930.1

何洋，高万峰，张建伟，张春喜，李艳. 电磁兼容电流探头传输阻抗温度误差修正方法[J]. 兵工学报, 2016, 37(4): 712-718.

HE Yang， GAO Wan-feng， ZHANG Jian-wei， ZHANG Chun-xi， LI Yan. A Method for Temperature Error Correction of Transfer Impedance of EMC Current Probe[J]. Acta Armamentarii, 2016, 37(4): 712-718.

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电磁兼容电流探头传输阻抗温度误差修正方法

A Method for Temperature Error Correction of Transfer Impedance of EMC Current Probe

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