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Automatic Power Frequency Rejection Instrumentation for Nonintrusive Frequency Signature Tracking

Title
Automatic Power Frequency Rejection Instrumentation for Nonintrusive Frequency Signature Tracking
Authors
Lee, KahyunHuchel, LukaszGreen, Daisy H.Leeb, Steven B.
Ewha Authors
이가현
SCOPUS Author ID
이가현scopus
Issue Date
2021
Journal Title
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
ISSN
0018-9456JCR Link

1557-9662JCR Link
Citation
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT vol. 70
Keywords
Frequency trackingnonintrusive monitoringrotor slot harmonicspeed estimationswitched-capacitor (SC) notch filter
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Indexed
SCIE; SCOPUS WOS
Document Type
Article
Abstract
This article presents a design for data acquisition hardware that can automatically track and reject utility frequency components of a measured current or voltage waveform. Measurements of subtle harmonic content in the waveform can therefore be made with the full dynamic range of the on-board analog-to-digital converter. This permits the detection of small, higher frequency signals for applications to condition-based maintenance and energy scorekeeping. Experimental demonstrations in this article show the hardware prototype isolating the rotor slot harmonics in a motor's input current. The high-resolution measurements of slot harmonics permit the estimation of motor speed from the detected slot harmonic frequency and the rejected fundamental frequency. The performance and accuracy of the speed estimator are demonstrated with both steady-state and transient experiments.
DOI
10.1109/TIM.2020.3009339
Appears in Collections:
ETC > ETC
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