Evaluation Method of Voltage Sag Severity in Distribution Networks

Yunxia Dong

doi:doi:10.11648/j.ijepe.20211006.16

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Evaluation Method of Voltage Sag Severity in Distribution Networks

Yunxia Dong

Published in International Journal of Energy and Power Engineering (Volume 10, Issue 6)

Received: 15 November 2021 Accepted: 3 December 2021 Published: 7 December 2021

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Abstract

Recently voltage sags have gradually become one of the most important power quality problems with the large scale use of sensitive electrical equipment. Analysis of varied attributes causing voltage sags can not only guide the planning, equipment selection, operation and maintenance of power supply engineering, but also can provide a theoretical basis for effectively assessing the risks and severity of the power quality incidents. It is meaningful to combine the existing problems of technology and management level to get the assessment results of the voltage sags. In this paper, clustering analysis and evaluation method are proposed for multi-cause attributes that affect voltage sags. The calculation method of the voltage on the multiple fault location parameters in the power grid is derived. The evaluation method of the voltage sags considering the user’s tolerance level is given. The characteristic properties of causes are used as parameters to describe disturbances which provide a basis for voltage sag evaluation. Then the equipment compatibility index is introduced, the analytic hierarchy process is used to determine the weight of the voltage sag evaluation index, and the severity of the voltage sag of each node of the distribution network is calculated to realize the distribution network voltage sag severity assessment. Finally, the voltage sag under multi causal attributes is analyzed using the equipment compatibility index as the standard, and the sag severity of the equipment is analyzed. The multi-factor attributes contribution degree proposed in this paper takes the equipment compatibility as the index, and can accurately reflect the impact of various attributes on equipment after voltage sags.

Published in	International Journal of Energy and Power Engineering (Volume 10, Issue 6)
DOI	10.11648/j.ijepe.20211006.16
Page(s)	135-140
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), 2021. Published by Science Publishing Group

Keywords

Voltage Sags, Evaluation, Analytic Hierarchy Process, Equipment Compatibility Index

References

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APA Style

Yunxia Dong. (2021). Evaluation Method of Voltage Sag Severity in Distribution Networks. International Journal of Energy and Power Engineering, 10(6), 135-140. https://doi.org/10.11648/j.ijepe.20211006.16

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ACS Style

Yunxia Dong. Evaluation Method of Voltage Sag Severity in Distribution Networks. Int. J. Energy Power Eng. 2021, 10(6), 135-140. doi: 10.11648/j.ijepe.20211006.16

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AMA Style

Yunxia Dong. Evaluation Method of Voltage Sag Severity in Distribution Networks. Int J Energy Power Eng. 2021;10(6):135-140. doi: 10.11648/j.ijepe.20211006.16

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@article{10.11648/j.ijepe.20211006.16,
  author = {Yunxia Dong},
  title = {Evaluation Method of Voltage Sag Severity in Distribution Networks},
  journal = {International Journal of Energy and Power Engineering},
  volume = {10},
  number = {6},
  pages = {135-140},
  doi = {10.11648/j.ijepe.20211006.16},
  url = {https://doi.org/10.11648/j.ijepe.20211006.16},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.20211006.16},
  abstract = {Recently voltage sags have gradually become one of the most important power quality problems with the large scale use of sensitive electrical equipment. Analysis of varied attributes causing voltage sags can not only guide the planning, equipment selection, operation and maintenance of power supply engineering, but also can provide a theoretical basis for effectively assessing the risks and severity of the power quality incidents. It is meaningful to combine the existing problems of technology and management level to get the assessment results of the voltage sags. In this paper, clustering analysis and evaluation method are proposed for multi-cause attributes that affect voltage sags. The calculation method of the voltage on the multiple fault location parameters in the power grid is derived. The evaluation method of the voltage sags considering the user’s tolerance level is given. The characteristic properties of causes are used as parameters to describe disturbances which provide a basis for voltage sag evaluation. Then the equipment compatibility index is introduced, the analytic hierarchy process is used to determine the weight of the voltage sag evaluation index, and the severity of the voltage sag of each node of the distribution network is calculated to realize the distribution network voltage sag severity assessment. Finally, the voltage sag under multi causal attributes is analyzed using the equipment compatibility index as the standard, and the sag severity of the equipment is analyzed. The multi-factor attributes contribution degree proposed in this paper takes the equipment compatibility as the index, and can accurately reflect the impact of various attributes on equipment after voltage sags.},
 year = {2021}
}

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TY  - JOUR
T1  - Evaluation Method of Voltage Sag Severity in Distribution Networks
AU  - Yunxia Dong
Y1  - 2021/12/07
PY  - 2021
N1  - https://doi.org/10.11648/j.ijepe.20211006.16
DO  - 10.11648/j.ijepe.20211006.16
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  - 135
EP  - 140
PB  - Science Publishing Group
SN  - 2326-960X
UR  - https://doi.org/10.11648/j.ijepe.20211006.16
AB  - Recently voltage sags have gradually become one of the most important power quality problems with the large scale use of sensitive electrical equipment. Analysis of varied attributes causing voltage sags can not only guide the planning, equipment selection, operation and maintenance of power supply engineering, but also can provide a theoretical basis for effectively assessing the risks and severity of the power quality incidents. It is meaningful to combine the existing problems of technology and management level to get the assessment results of the voltage sags. In this paper, clustering analysis and evaluation method are proposed for multi-cause attributes that affect voltage sags. The calculation method of the voltage on the multiple fault location parameters in the power grid is derived. The evaluation method of the voltage sags considering the user’s tolerance level is given. The characteristic properties of causes are used as parameters to describe disturbances which provide a basis for voltage sag evaluation. Then the equipment compatibility index is introduced, the analytic hierarchy process is used to determine the weight of the voltage sag evaluation index, and the severity of the voltage sag of each node of the distribution network is calculated to realize the distribution network voltage sag severity assessment. Finally, the voltage sag under multi causal attributes is analyzed using the equipment compatibility index as the standard, and the sag severity of the equipment is analyzed. The multi-factor attributes contribution degree proposed in this paper takes the equipment compatibility as the index, and can accurately reflect the impact of various attributes on equipment after voltage sags.
VL  - 10
IS  - 6
ER  -

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Author Information

Yunxia Dong

College of Electrical and Electronic Engineering, North China Electric Power University, Beijing, China

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Plain Text BibTeX RIS

APA Style

Yunxia Dong. (2021). Evaluation Method of Voltage Sag Severity in Distribution Networks. International Journal of Energy and Power Engineering, 10(6), 135-140. https://doi.org/10.11648/j.ijepe.20211006.16

Copy | Download

ACS Style

Yunxia Dong. Evaluation Method of Voltage Sag Severity in Distribution Networks. Int. J. Energy Power Eng. 2021, 10(6), 135-140. doi: 10.11648/j.ijepe.20211006.16

Copy | Download

AMA Style

Yunxia Dong. Evaluation Method of Voltage Sag Severity in Distribution Networks. Int J Energy Power Eng. 2021;10(6):135-140. doi: 10.11648/j.ijepe.20211006.16

Copy | Download

@article{10.11648/j.ijepe.20211006.16,
  author = {Yunxia Dong},
  title = {Evaluation Method of Voltage Sag Severity in Distribution Networks},
  journal = {International Journal of Energy and Power Engineering},
  volume = {10},
  number = {6},
  pages = {135-140},
  doi = {10.11648/j.ijepe.20211006.16},
  url = {https://doi.org/10.11648/j.ijepe.20211006.16},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.20211006.16},
  abstract = {Recently voltage sags have gradually become one of the most important power quality problems with the large scale use of sensitive electrical equipment. Analysis of varied attributes causing voltage sags can not only guide the planning, equipment selection, operation and maintenance of power supply engineering, but also can provide a theoretical basis for effectively assessing the risks and severity of the power quality incidents. It is meaningful to combine the existing problems of technology and management level to get the assessment results of the voltage sags. In this paper, clustering analysis and evaluation method are proposed for multi-cause attributes that affect voltage sags. The calculation method of the voltage on the multiple fault location parameters in the power grid is derived. The evaluation method of the voltage sags considering the user’s tolerance level is given. The characteristic properties of causes are used as parameters to describe disturbances which provide a basis for voltage sag evaluation. Then the equipment compatibility index is introduced, the analytic hierarchy process is used to determine the weight of the voltage sag evaluation index, and the severity of the voltage sag of each node of the distribution network is calculated to realize the distribution network voltage sag severity assessment. Finally, the voltage sag under multi causal attributes is analyzed using the equipment compatibility index as the standard, and the sag severity of the equipment is analyzed. The multi-factor attributes contribution degree proposed in this paper takes the equipment compatibility as the index, and can accurately reflect the impact of various attributes on equipment after voltage sags.},
 year = {2021}
}

Copy | Download

TY  - JOUR
T1  - Evaluation Method of Voltage Sag Severity in Distribution Networks
AU  - Yunxia Dong
Y1  - 2021/12/07
PY  - 2021
N1  - https://doi.org/10.11648/j.ijepe.20211006.16
DO  - 10.11648/j.ijepe.20211006.16
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  - 135
EP  - 140
PB  - Science Publishing Group
SN  - 2326-960X
UR  - https://doi.org/10.11648/j.ijepe.20211006.16
AB  - Recently voltage sags have gradually become one of the most important power quality problems with the large scale use of sensitive electrical equipment. Analysis of varied attributes causing voltage sags can not only guide the planning, equipment selection, operation and maintenance of power supply engineering, but also can provide a theoretical basis for effectively assessing the risks and severity of the power quality incidents. It is meaningful to combine the existing problems of technology and management level to get the assessment results of the voltage sags. In this paper, clustering analysis and evaluation method are proposed for multi-cause attributes that affect voltage sags. The calculation method of the voltage on the multiple fault location parameters in the power grid is derived. The evaluation method of the voltage sags considering the user’s tolerance level is given. The characteristic properties of causes are used as parameters to describe disturbances which provide a basis for voltage sag evaluation. Then the equipment compatibility index is introduced, the analytic hierarchy process is used to determine the weight of the voltage sag evaluation index, and the severity of the voltage sag of each node of the distribution network is calculated to realize the distribution network voltage sag severity assessment. Finally, the voltage sag under multi causal attributes is analyzed using the equipment compatibility index as the standard, and the sag severity of the equipment is analyzed. The multi-factor attributes contribution degree proposed in this paper takes the equipment compatibility as the index, and can accurately reflect the impact of various attributes on equipment after voltage sags.
VL  - 10
IS  - 6
ER  -

Copy | Download