Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/81596
Title: Inductive Coupled In-Circuit Impedance Monitoring of Electrical System Using Two-Port ABCD Network Approach
Authors: Li, Kang Rong
See, Kye Yak
Li, Xing Ming
Keywords: In-circuit impedance monitoring
Inductive coupling
Two-port ABCD parameter
Issue Date: 2015
Source: Li, K. R., See, K. Y., & Li, X. M. (2015). Inductive Coupled In-Circuit Impedance Monitoring of Electrical System Using Two-Port ABCD Network Approach. IEEE Transactions on Instrumentation and Measurement, 64(9), 2489-2495.
Series/Report no.: IEEE Transactions on Instrumentation and Measurement
Abstract: By treating the inductive coupling probes and the electrical system to be monitored as three cascaded two-port ABCD networks, the in-circuit impedance of the electrical system can be extracted with ease. The proposed method simplifies the setup calibration and allows real-time impedance monitoring of critical electrical system to be implemented without interrupting its normal operating conditions. In this paper, the theory behind the proposed ABCD networks approach is described. The proposed approach has overcome the poor measurement accuracy of the conventional inductive coupling calibration method above 30 MHz and has achieved good accuracy up to 100 MHz with a maximum measurement deviation of 3.6%. Finally, using a dc-powered motor as a practical example, the ability to detect the change of in-circuit impedance of the motor under different operating conditions is demonstrated.
URI: https://hdl.handle.net/10356/81596
http://hdl.handle.net/10220/39556
ISSN: 0018-9456
DOI: 10.1109/TIM.2015.2403091
Rights: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [http://dx.doi.org/10.1109/TIM.2015.2403091].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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