Presentation Details
Micro-Defects Detection of Electromagnetic Components Based on High-Sensitivity Partial Discharge Measurement under Impulse Voltage
ID：33
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Updated Time：2025-11-10 11:04:19 Hits：167
Oral Presentation
Start Time：2025-11-22 16:10（Asia/Shanghai）
Duration：10min
Session：S3 Parallel Session 3 »
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Abstract
As an ultra-precision electromechanical product, the precision of an inertial platform's electromagnetic components directly determines its performance. To address the challenge of detecting micro-defects within inertial components, this paper investigates a detection technology based on pulsed voltage partial discharge (PD). The designed detection method achieves a sensitivity of 1 pC, accurately capturing the weak discharge signals caused by micro-defects. The system supports outputting pulsed voltages up to 5 kV peak-to-peak, simulating various component operating electric field environments. To verify the feasibility of the method, a non-PD ceramic capacitor was first used to eliminate experimental interference and confirm detection reliability. Comparative PD tests were then conducted on defective and non-defective electromagnetic component specimens. Finally, the Weibull distribution was combined to effectively detect and identify micro-defects. The results demonstrate that this method can efficiently identify micro-defects in electromagnetic components, breaking through the limitations of traditional detection techniques. This method provides reliable technical support for quality control of inertial platforms and serves as a reference for micro-defect detection in similar ultra-precision electromechanical products.
Keywords
defect detection,high-frequency current sensor,electromagnetic components,partial discharge
Speaker
Yan Wang
Student School of electrical Engineering Xi’an Jiaotong UniversitySubmission Author
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Important Date
-
Conference Date
Nov 21
2025
toNov 23
2025
-
Oct 20 2025
Draft paper submission deadline
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Dec 08 2025
Registration deadline
Sponsored By
IEEE Instrumentation and Measurement Society
South China University of Technology
South China University of Technology
Organized By
South China University of Technology
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