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Maximally Flat-Frequency-Response Multiple-Resonator-Based Harmonic Analysis

Authorized Users Only
2017
Authors
Kušljević, Miodrag D.
Tomić, Josif J.
Poljak, Predrag
Article (Published version)
Metadata
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Abstract
This paper presents an improved approach to the recently proposed multiple-resonator-based method for the harmonic analysis that has been provided in the previous papers. Previously, two inherent particular cases have been considered. In these cases, reference points in which estimation is performed are located either in the middle or at the end of the observation interval. The first case exhibits a good noises and unwanted harmonics attenuation but possesses a large delay time. In the second case, the filters are able to form a zero-flat phase response about the operation frequency and hence able to provide instantaneous estimates, but with large overshoots caused by resonant frequencies at the edges of the passband, and the high level of the sidelobes, that also makes it susceptible to interharmonics and noise interference. The aim of this paper is to propose a compromised solution provided by the tradeoff between those opposite requirements by shifting this point along the observati...on interval. This way the frequency responses of the estimator are reshaped. A maximally flatness of the frequency response in the operation harmonic frequency is kept in all cases, but only locating the reference point in a fraction around the center of the observation interval provides flat-top frequency responses. The effectiveness of the proposed estimation technique is shown through simulations.

Keywords:
Discrete Fourier transform (DFT) / finiteimpulse response (FIR) filter / group delay / harmonic analysis / maximally flat (MF) filter / multiple resonator (MR) / recursive algorithm / Taylor-Fourier transfor
Source:
IEEE Transactions on Instrumentation and Measurement, 2017, 66, 12, 3387-3398
Publisher:
  • Ieee-Inst Electrical Electronics Engineers Inc, Piscataway
Funding / projects:
  • Measurements in a smart grid concept (RS-32019)

DOI: 10.1109/TIM.2017.2751799

ISSN: 0018-9456

WoS: 000415112700029

Scopus: 2-s2.0-85030771355
[ Google Scholar ]
13
14
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/2095
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Kušljević, Miodrag D.
AU  - Tomić, Josif J.
AU  - Poljak, Predrag
PY  - 2017
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2095
AB  - This paper presents an improved approach to the recently proposed multiple-resonator-based method for the harmonic analysis that has been provided in the previous papers. Previously, two inherent particular cases have been considered. In these cases, reference points in which estimation is performed are located either in the middle or at the end of the observation interval. The first case exhibits a good noises and unwanted harmonics attenuation but possesses a large delay time. In the second case, the filters are able to form a zero-flat phase response about the operation frequency and hence able to provide instantaneous estimates, but with large overshoots caused by resonant frequencies at the edges of the passband, and the high level of the sidelobes, that also makes it susceptible to interharmonics and noise interference. The aim of this paper is to propose a compromised solution provided by the tradeoff between those opposite requirements by shifting this point along the observation interval. This way the frequency responses of the estimator are reshaped. A maximally flatness of the frequency response in the operation harmonic frequency is kept in all cases, but only locating the reference point in a fraction around the center of the observation interval provides flat-top frequency responses. The effectiveness of the proposed estimation technique is shown through simulations.
PB  - Ieee-Inst Electrical Electronics Engineers Inc, Piscataway
T2  - IEEE Transactions on Instrumentation and Measurement
T1  - Maximally Flat-Frequency-Response Multiple-Resonator-Based Harmonic Analysis
VL  - 66
IS  - 12
SP  - 3387
EP  - 3398
DO  - 10.1109/TIM.2017.2751799
ER  - 
@article{
author = "Kušljević, Miodrag D. and Tomić, Josif J. and Poljak, Predrag",
year = "2017",
abstract = "This paper presents an improved approach to the recently proposed multiple-resonator-based method for the harmonic analysis that has been provided in the previous papers. Previously, two inherent particular cases have been considered. In these cases, reference points in which estimation is performed are located either in the middle or at the end of the observation interval. The first case exhibits a good noises and unwanted harmonics attenuation but possesses a large delay time. In the second case, the filters are able to form a zero-flat phase response about the operation frequency and hence able to provide instantaneous estimates, but with large overshoots caused by resonant frequencies at the edges of the passband, and the high level of the sidelobes, that also makes it susceptible to interharmonics and noise interference. The aim of this paper is to propose a compromised solution provided by the tradeoff between those opposite requirements by shifting this point along the observation interval. This way the frequency responses of the estimator are reshaped. A maximally flatness of the frequency response in the operation harmonic frequency is kept in all cases, but only locating the reference point in a fraction around the center of the observation interval provides flat-top frequency responses. The effectiveness of the proposed estimation technique is shown through simulations.",
publisher = "Ieee-Inst Electrical Electronics Engineers Inc, Piscataway",
journal = "IEEE Transactions on Instrumentation and Measurement",
title = "Maximally Flat-Frequency-Response Multiple-Resonator-Based Harmonic Analysis",
volume = "66",
number = "12",
pages = "3387-3398",
doi = "10.1109/TIM.2017.2751799"
}
Kušljević, M. D., Tomić, J. J.,& Poljak, P.. (2017). Maximally Flat-Frequency-Response Multiple-Resonator-Based Harmonic Analysis. in IEEE Transactions on Instrumentation and Measurement
Ieee-Inst Electrical Electronics Engineers Inc, Piscataway., 66(12), 3387-3398.
https://doi.org/10.1109/TIM.2017.2751799
Kušljević MD, Tomić JJ, Poljak P. Maximally Flat-Frequency-Response Multiple-Resonator-Based Harmonic Analysis. in IEEE Transactions on Instrumentation and Measurement. 2017;66(12):3387-3398.
doi:10.1109/TIM.2017.2751799 .
Kušljević, Miodrag D., Tomić, Josif J., Poljak, Predrag, "Maximally Flat-Frequency-Response Multiple-Resonator-Based Harmonic Analysis" in IEEE Transactions on Instrumentation and Measurement, 66, no. 12 (2017):3387-3398,
https://doi.org/10.1109/TIM.2017.2751799 . .

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