Motor Fault Detection Using a Rogowski Sensor Without an Integrator

Oscar Poncelas; Javier A. Rosero; Jordi CusidoJuan Antonio OrtegaLuis Romeral

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Motor Fault Detection Using a Rogowski Sensor Without an Integrator

机译：Motor Fault Detection Using a Rogowski Sensor Without an Integrator

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摘要

This paper presents a new approach for the current acquisition system in motor fault detection applications. This paper includes the study, design, and implementation of a Rogowski-coil current sensor without the integrator circuit that is typically used. The circuit includes an autotuning block able to adjust to different motor speeds. Equalizing the amplitudes of the fundamental and fault harmonics leads to higher precision current measurements. The resulting compact sensor is used as a current probe for fault detection in induction motors through motor current signal analysis. The use of a Rogowski coil without an integrator allows a better discrimination of the fault harmonics around the third and fifth main harmonics. Finally, the adaptive conditioning circuit is tested over an induction machine drive. Results are presented, and quantitative comparisons are carried out.

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来源
《IEEE Transactions on Industrial Electronics》 |2009年第10期|4062-4070|共9页
作者
Oscar Poncelas; Javier A. Rosero; Jordi CusidoJuan Antonio OrtegaLuis Romeral;
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作者单位

Motion Control and Industrial Applications Group, Department of Electronic Engineering, Universitat Politecnica de Catalunya, 08222 Terrassa, Spain;

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原文格式 PDF
正文语种英语
中图分类无线电电子学、电信技术;
关键词
Current sensor; motor current signal analysis (MCSA); motor drive; Rogowski;

Motor Fault Detection Using a Rogowski Sensor Without an Integrator

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