NDLI: Time-domain virtual EMI receiver model algorithm for corona-originated electromagnetic interference of dc transmission line

Content Provider	IET Digital Library
Author	Yi, Yong Chen, Zhengying Wang, Liming
Abstract	A time-domain virtual electromagnetic interference (EMI) receiver model algorithm for corona-originated EMI of dc transmission line is proposed. The presented model is based on short-time fast Fourier transform (FFT) and digital quasi-peak, peak and average detector algorithms together with the measured corona current. The virtual EMI receiver model algorithm is verified by comparing with measurement results of conducted interference of the three regular waveforms. The influences of computational accuracy on the conducted interference are discussed. Through utilising the laboratory-scale corona cage to generate corona current, the 0.5 MHz excitation current is calculated by using short-time FFT and excitation function theory. The measured and computational average value, root mean square value, quasi-peak value and peak value of EMI receiver response to corona current sequence are obtained. It is found that computations of radio interference have a good agreement with the measured results.
Starting Page	603
Ending Page	608
Page Count	6
ISSN	17518822
Volume Number	12
e-ISSN	17518830
Issue Number	Issue 5, Aug (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-smt/12/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2017.0495
Journal	IET Science, Measurement & Technology
Publisher Date	2018-02-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Corona Corona Current Measurement Corona-originated Electromagnetic Interference D.C. Transmission DC Transmission Line DC Transmission Network Digital Quasipeak Detector Algorithm Electromagnetic Compatibility Electromagnetic Device Electromagnetic Device Application Electromagnetic Interference Excitation Function Theory Fast Fourier Transform FFT Frequency 0.5 MHz Gas Discharges Gaseous Insulation, Breakdown And Discharges Integral Transforms Interference Laboratory-scale Corona Cage Peak And Average Detector Algorithm Power Transmission Line Root Mean Square Value Short-time Fast Fourier Transform Time Domain Analysis Time-domain Virtual EMI Receiver Model Algorithm
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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