Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems

Ngo Duc Minh; Le Tien Phong

doi:doi:10.11648/j.epes.20190803.12

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Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems

Ngo Duc Minh, Le Tien Phong

Published in American Journal of Electrical Power and Energy Systems (Volume 8, Issue 3)

Received: 14 June 2019 Accepted: 11 July 2019 Published: 24 July 2019

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Abstract

This paper focuses on the effect of transformer parameters and a line reactor on distribution of power flows in a high-voltage substation and transmission lines. Four case studies that have different values of transformer parameters including rated power, short-circuit impedance and reactance/resistance ratio are supposed in this research. Basing on power flows on transformers in case of the parallel operation, load factor of each transformer and operating parameters are considered in above case studies. Moreover, a line reactor is proposed in this paper to regulate power flows in a system having two power sources. Four operating modes of the proposed line reactor are defined by changing on/off states of switches in this device to modify the value of impedance. The effect of the line reactor on power received from sources and power flows on transmission lines is evaluated in its all modes. Research results are carried out by the ETAP 16.0 software and present high accuracy and reliability for the proposed problems. Research contributions help dispatchers understand the essence of power transmission process, solve real problems and give out effective solutions to operate high-voltage systems.

Published in	American Journal of Electrical Power and Energy Systems (Volume 8, Issue 3)
DOI	10.11648/j.epes.20190803.12
Page(s)	77-85
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), 2019. Published by Science Publishing Group

Keywords

Line Reactor, Parallel Operation, Transformer Parameter, ETAP Software, Power Flow, Voltage Angle, Voltage Module

References

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APA Style

Ngo Duc Minh, Le Tien Phong. (2019). Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems. American Journal of Electrical Power and Energy Systems, 8(3), 77-85. https://doi.org/10.11648/j.epes.20190803.12

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ACS Style

Ngo Duc Minh; Le Tien Phong. Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems. Am. J. Electr. Power Energy Syst. 2019, 8(3), 77-85. doi: 10.11648/j.epes.20190803.12

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AMA Style

Ngo Duc Minh, Le Tien Phong. Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems. Am J Electr Power Energy Syst. 2019;8(3):77-85. doi: 10.11648/j.epes.20190803.12

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@article{10.11648/j.epes.20190803.12,
  author = {Ngo Duc Minh and Le Tien Phong},
  title = {Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems},
  journal = {American Journal of Electrical Power and Energy Systems},
  volume = {8},
  number = {3},
  pages = {77-85},
  doi = {10.11648/j.epes.20190803.12},
  url = {https://doi.org/10.11648/j.epes.20190803.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.epes.20190803.12},
  abstract = {This paper focuses on the effect of transformer parameters and a line reactor on distribution of power flows in a high-voltage substation and transmission lines. Four case studies that have different values of transformer parameters including rated power, short-circuit impedance and reactance/resistance ratio are supposed in this research. Basing on power flows on transformers in case of the parallel operation, load factor of each transformer and operating parameters are considered in above case studies. Moreover, a line reactor is proposed in this paper to regulate power flows in a system having two power sources. Four operating modes of the proposed line reactor are defined by changing on/off states of switches in this device to modify the value of impedance. The effect of the line reactor on power received from sources and power flows on transmission lines is evaluated in its all modes. Research results are carried out by the ETAP 16.0 software and present high accuracy and reliability for the proposed problems. Research contributions help dispatchers understand the essence of power transmission process, solve real problems and give out effective solutions to operate high-voltage systems.},
 year = {2019}
}

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TY  - JOUR
T1  - Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems
AU  - Ngo Duc Minh
AU  - Le Tien Phong
Y1  - 2019/07/24
PY  - 2019
N1  - https://doi.org/10.11648/j.epes.20190803.12
DO  - 10.11648/j.epes.20190803.12
T2  - American Journal of Electrical Power and Energy Systems
JF  - American Journal of Electrical Power and Energy Systems
JO  - American Journal of Electrical Power and Energy Systems
SP  - 77
EP  - 85
PB  - Science Publishing Group
SN  - 2326-9200
UR  - https://doi.org/10.11648/j.epes.20190803.12
AB  - This paper focuses on the effect of transformer parameters and a line reactor on distribution of power flows in a high-voltage substation and transmission lines. Four case studies that have different values of transformer parameters including rated power, short-circuit impedance and reactance/resistance ratio are supposed in this research. Basing on power flows on transformers in case of the parallel operation, load factor of each transformer and operating parameters are considered in above case studies. Moreover, a line reactor is proposed in this paper to regulate power flows in a system having two power sources. Four operating modes of the proposed line reactor are defined by changing on/off states of switches in this device to modify the value of impedance. The effect of the line reactor on power received from sources and power flows on transmission lines is evaluated in its all modes. Research results are carried out by the ETAP 16.0 software and present high accuracy and reliability for the proposed problems. Research contributions help dispatchers understand the essence of power transmission process, solve real problems and give out effective solutions to operate high-voltage systems.
VL  - 8
IS  - 3
ER  -

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Author Information

Ngo Duc Minh

Electrical Faculty, Thai Nguyen University of Technology, Thai Nguyen, Viet Nam
Le Tien Phong

Electrical Faculty, Thai Nguyen University of Technology, Thai Nguyen, Viet Nam

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Plain Text BibTeX RIS

APA Style

Ngo Duc Minh, Le Tien Phong. (2019). Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems. American Journal of Electrical Power and Energy Systems, 8(3), 77-85. https://doi.org/10.11648/j.epes.20190803.12

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ACS Style

Ngo Duc Minh; Le Tien Phong. Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems. Am. J. Electr. Power Energy Syst. 2019, 8(3), 77-85. doi: 10.11648/j.epes.20190803.12

Copy | Download

AMA Style

Ngo Duc Minh, Le Tien Phong. Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems. Am J Electr Power Energy Syst. 2019;8(3):77-85. doi: 10.11648/j.epes.20190803.12

Copy | Download

@article{10.11648/j.epes.20190803.12,
  author = {Ngo Duc Minh and Le Tien Phong},
  title = {Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems},
  journal = {American Journal of Electrical Power and Energy Systems},
  volume = {8},
  number = {3},
  pages = {77-85},
  doi = {10.11648/j.epes.20190803.12},
  url = {https://doi.org/10.11648/j.epes.20190803.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.epes.20190803.12},
  abstract = {This paper focuses on the effect of transformer parameters and a line reactor on distribution of power flows in a high-voltage substation and transmission lines. Four case studies that have different values of transformer parameters including rated power, short-circuit impedance and reactance/resistance ratio are supposed in this research. Basing on power flows on transformers in case of the parallel operation, load factor of each transformer and operating parameters are considered in above case studies. Moreover, a line reactor is proposed in this paper to regulate power flows in a system having two power sources. Four operating modes of the proposed line reactor are defined by changing on/off states of switches in this device to modify the value of impedance. The effect of the line reactor on power received from sources and power flows on transmission lines is evaluated in its all modes. Research results are carried out by the ETAP 16.0 software and present high accuracy and reliability for the proposed problems. Research contributions help dispatchers understand the essence of power transmission process, solve real problems and give out effective solutions to operate high-voltage systems.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - Effect of Transformer Parameters and Line Reactor on Power Flows in High-Voltage Systems
AU  - Ngo Duc Minh
AU  - Le Tien Phong
Y1  - 2019/07/24
PY  - 2019
N1  - https://doi.org/10.11648/j.epes.20190803.12
DO  - 10.11648/j.epes.20190803.12
T2  - American Journal of Electrical Power and Energy Systems
JF  - American Journal of Electrical Power and Energy Systems
JO  - American Journal of Electrical Power and Energy Systems
SP  - 77
EP  - 85
PB  - Science Publishing Group
SN  - 2326-9200
UR  - https://doi.org/10.11648/j.epes.20190803.12
AB  - This paper focuses on the effect of transformer parameters and a line reactor on distribution of power flows in a high-voltage substation and transmission lines. Four case studies that have different values of transformer parameters including rated power, short-circuit impedance and reactance/resistance ratio are supposed in this research. Basing on power flows on transformers in case of the parallel operation, load factor of each transformer and operating parameters are considered in above case studies. Moreover, a line reactor is proposed in this paper to regulate power flows in a system having two power sources. Four operating modes of the proposed line reactor are defined by changing on/off states of switches in this device to modify the value of impedance. The effect of the line reactor on power received from sources and power flows on transmission lines is evaluated in its all modes. Research results are carried out by the ETAP 16.0 software and present high accuracy and reliability for the proposed problems. Research contributions help dispatchers understand the essence of power transmission process, solve real problems and give out effective solutions to operate high-voltage systems.
VL  - 8
IS  - 3
ER  -

Copy | Download