Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy

Hossein Haroonabadi

doi:doi:10.11648/j.ijepe.20140305.12

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Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy

Hossein Haroonabadi

Published in International Journal of Energy and Power Engineering (Volume 3, Issue 5)

Received: 1 September 2014 Accepted: 24 September 2014 Published: 30 September 2014

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Abstract

This paper presents wavelet based islanding detection in distributed generation (DG) interfaced to the microgrid. Also a new fast method is developed for islanding detection based on measuring the utility currents and voltages signals processed by discrete wavelet transform. These currents and voltages signals are measured before the main circuit breaker of microgrid network and their features extracted by discrete wavelet transform. These features are sum of wavelet coefficients energy and are used for distinguishing the islanding conditions from non-islanding ones. Because of changing in measuring point of currents and voltages signals from point of common coupling (PCC) in traditional methods to before the main circuit breaker in proposed method, this new method detects the islanding conditions faster than the other methods. The proposed method has been examined under various scenarios; including mains supply faults, various one, two, or three phases' grid faults, and changes of rate of produced energy on IEEE 1547 anti-islanding test system. The numerical studies show the feasibility and applicability of the proposed method with satisfactory results.

Published in	International Journal of Energy and Power Engineering (Volume 3, Issue 5)
DOI	10.11648/j.ijepe.20140305.12
Page(s)	228-236
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2014. Published by Science Publishing Group

Keywords

Islanding Detection, Discrete Wavelet Transform, Distributed Generation (DG), Non detection zone (NDZ)

References

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APA Style

Hossein Haroonabadi. (2014). Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy. International Journal of Energy and Power Engineering, 3(5), 228-236. https://doi.org/10.11648/j.ijepe.20140305.12

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ACS Style

Hossein Haroonabadi. Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy. Int. J. Energy Power Eng. 2014, 3(5), 228-236. doi: 10.11648/j.ijepe.20140305.12

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AMA Style

Hossein Haroonabadi. Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy. Int J Energy Power Eng. 2014;3(5):228-236. doi: 10.11648/j.ijepe.20140305.12

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@article{10.11648/j.ijepe.20140305.12,
  author = {Hossein Haroonabadi},
  title = {Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy},
  journal = {International Journal of Energy and Power Engineering},
  volume = {3},
  number = {5},
  pages = {228-236},
  doi = {10.11648/j.ijepe.20140305.12},
  url = {https://doi.org/10.11648/j.ijepe.20140305.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.20140305.12},
  abstract = {This paper presents wavelet based islanding detection in distributed generation (DG) interfaced to the microgrid. Also a new fast method is developed for islanding detection based on measuring the utility currents and voltages signals processed by discrete wavelet transform. These currents and voltages signals are measured before the main circuit breaker of microgrid network and their features extracted by discrete wavelet transform. These features are sum of wavelet coefficients energy and are used for distinguishing the islanding conditions from non-islanding ones. Because of changing in measuring point of currents and voltages signals from point of common coupling (PCC) in traditional methods to before the main circuit breaker in proposed method, this new method detects the islanding conditions faster than the other methods. The proposed method has been examined under various scenarios; including mains supply faults, various one, two, or three phases' grid faults, and changes of rate of produced energy on IEEE 1547 anti-islanding test system. The numerical studies show the feasibility and applicability of the proposed method with satisfactory results.},
 year = {2014}
}

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TY  - JOUR
T1  - Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy
AU  - Hossein Haroonabadi
Y1  - 2014/09/30
PY  - 2014
N1  - https://doi.org/10.11648/j.ijepe.20140305.12
DO  - 10.11648/j.ijepe.20140305.12
T2  - International Journal of Energy and Power Engineering
JF  - International Journal of Energy and Power Engineering
JO  - International Journal of Energy and Power Engineering
SP  - 228
EP  - 236
PB  - Science Publishing Group
SN  - 2326-960X
UR  - https://doi.org/10.11648/j.ijepe.20140305.12
AB  - This paper presents wavelet based islanding detection in distributed generation (DG) interfaced to the microgrid. Also a new fast method is developed for islanding detection based on measuring the utility currents and voltages signals processed by discrete wavelet transform. These currents and voltages signals are measured before the main circuit breaker of microgrid network and their features extracted by discrete wavelet transform. These features are sum of wavelet coefficients energy and are used for distinguishing the islanding conditions from non-islanding ones. Because of changing in measuring point of currents and voltages signals from point of common coupling (PCC) in traditional methods to before the main circuit breaker in proposed method, this new method detects the islanding conditions faster than the other methods. The proposed method has been examined under various scenarios; including mains supply faults, various one, two, or three phases' grid faults, and changes of rate of produced energy on IEEE 1547 anti-islanding test system. The numerical studies show the feasibility and applicability of the proposed method with satisfactory results.
VL  - 3
IS  - 5
ER  -

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Author Information

Hossein Haroonabadi

Dep. of Electrical Engineering, Islamshahr Branch, Islamic Azad University, Iran

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Plain Text BibTeX RIS

APA Style

Hossein Haroonabadi. (2014). Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy. International Journal of Energy and Power Engineering, 3(5), 228-236. https://doi.org/10.11648/j.ijepe.20140305.12

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ACS Style

Hossein Haroonabadi. Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy. Int. J. Energy Power Eng. 2014, 3(5), 228-236. doi: 10.11648/j.ijepe.20140305.12

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AMA Style

Hossein Haroonabadi. Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy. Int J Energy Power Eng. 2014;3(5):228-236. doi: 10.11648/j.ijepe.20140305.12

Copy | Download

@article{10.11648/j.ijepe.20140305.12,
  author = {Hossein Haroonabadi},
  title = {Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy},
  journal = {International Journal of Energy and Power Engineering},
  volume = {3},
  number = {5},
  pages = {228-236},
  doi = {10.11648/j.ijepe.20140305.12},
  url = {https://doi.org/10.11648/j.ijepe.20140305.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.20140305.12},
  abstract = {This paper presents wavelet based islanding detection in distributed generation (DG) interfaced to the microgrid. Also a new fast method is developed for islanding detection based on measuring the utility currents and voltages signals processed by discrete wavelet transform. These currents and voltages signals are measured before the main circuit breaker of microgrid network and their features extracted by discrete wavelet transform. These features are sum of wavelet coefficients energy and are used for distinguishing the islanding conditions from non-islanding ones. Because of changing in measuring point of currents and voltages signals from point of common coupling (PCC) in traditional methods to before the main circuit breaker in proposed method, this new method detects the islanding conditions faster than the other methods. The proposed method has been examined under various scenarios; including mains supply faults, various one, two, or three phases' grid faults, and changes of rate of produced energy on IEEE 1547 anti-islanding test system. The numerical studies show the feasibility and applicability of the proposed method with satisfactory results.},
 year = {2014}
}

Copy | Download

TY  - JOUR
T1  - Islanding Detection in Micro-Grids Using Sum of Voltage and Current Wavelet Coefficients Energy
AU  - Hossein Haroonabadi
Y1  - 2014/09/30
PY  - 2014
N1  - https://doi.org/10.11648/j.ijepe.20140305.12
DO  - 10.11648/j.ijepe.20140305.12
T2  - International Journal of Energy and Power Engineering
JF  - International Journal of Energy and Power Engineering
JO  - International Journal of Energy and Power Engineering
SP  - 228
EP  - 236
PB  - Science Publishing Group
SN  - 2326-960X
UR  - https://doi.org/10.11648/j.ijepe.20140305.12
AB  - This paper presents wavelet based islanding detection in distributed generation (DG) interfaced to the microgrid. Also a new fast method is developed for islanding detection based on measuring the utility currents and voltages signals processed by discrete wavelet transform. These currents and voltages signals are measured before the main circuit breaker of microgrid network and their features extracted by discrete wavelet transform. These features are sum of wavelet coefficients energy and are used for distinguishing the islanding conditions from non-islanding ones. Because of changing in measuring point of currents and voltages signals from point of common coupling (PCC) in traditional methods to before the main circuit breaker in proposed method, this new method detects the islanding conditions faster than the other methods. The proposed method has been examined under various scenarios; including mains supply faults, various one, two, or three phases' grid faults, and changes of rate of produced energy on IEEE 1547 anti-islanding test system. The numerical studies show the feasibility and applicability of the proposed method with satisfactory results.
VL  - 3
IS  - 5
ER  -

Copy | Download