三带局部放电检测器在现场测量中的应用

[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials Pub Date : 1991-07-08 DOI:10.1109/ICPADM.1991.172299

S. Furuya, K. Ashizawa

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引用次数: 1

摘要

研制了一种在有限带宽内具有三个独立放大频率和最大输出的三波段型探测器。这种方法具有窄带的优点，几乎不受外界噪声的影响。事实证明，该方法对发电机绕组产生的局部放电反应具有优异的灵敏度。对于复卷定子线圈，采用新型和传统的放电检测器同时进行了对比测量试验。结果证明了该检测器的优良特性，并以相当的精度测量了各绕组局部放电发生位置的变化响应。

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Application of a triband partial discharge detector to on-site measurement

A triband-type detector having three independent amplified frequencies in a limited bandwidth as well as maximum output was developed. This method has the merit of a narrow band that is almost free from the effects of exterior noise. This method has proved to have excellent sensitivity to the reaction of partial discharge generation along generator windings. For rewinding stator coils, comparison measuring tests employing both the new and conventional discharge detectors were simultaneously carried out. The results attested to the excellent characteristics of the new detector, and variation response at each generating position of partial discharge in the windings was measured with a fair degree of accuracy.<>

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[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials

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