Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System

Samuel Wanjoeh; Ghadir Radman

doi:doi:10.11648/j.epes.20211002.11

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Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System

Samuel Wanjoeh, Ghadir Radman

Published in American Journal of Electrical Power and Energy Systems (Volume 10, Issue 2)

Received: 3 February 2021 Accepted: 9 April 2021 Published: 23 April 2021

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Abstract

Wind energy as a renewable energy source continues to be a better alternative to fossil-fuel based generation due to its low cost and environmental benefits. While considerable research efforts have been focused on modeling and control of grid connected variable speed squirrel cage induction generator (SCIG) wind energy conversion systems (WECS), comprehensive models for grid integration studies have been almost non-existent. This paper presents the detail modeling, control and analysis of a grid-connected 2.25-MW variable speed SCIG based WECS that can be utilized for grid integration studies. The presented WECS model consists of a pitch regulated wind turbine connected to a SCIG through a gear box. Then, a full-capacity power electronic converter with maximum power point tracking (MPPT), dc bus voltage regulation and power factor correction, connects the SCIG to the grid. The power converter system comprises of back to back two-level voltage source converters linked through a dc-link capacitor. The generator and grid-side converters are controlled using indirect rotor field-oriented control (IR-FOC) and voltage-oriented control (VOC) respectively. The overall system is simulated in MATLAB/Simulink for a varying wind speed. Results show that the presented model is adequate and efficient in the representation of a variable speed SCIG WECS. In addition, the model meets all of the system performance objectives while simultaneously meeting all of the control objectives.

Published in	American Journal of Electrical Power and Energy Systems (Volume 10, Issue 2)
DOI	10.11648/j.epes.20211002.11
Page(s)	15-24
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

Modeling, Control, Simulation, Squirrel Cage Induction Generator, AC/DC/AC Converter, WECS

References

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APA Style

Samuel Wanjoeh, Ghadir Radman. (2021). Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System. American Journal of Electrical Power and Energy Systems, 10(2), 15-24. https://doi.org/10.11648/j.epes.20211002.11

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ACS Style

Samuel Wanjoeh; Ghadir Radman. Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System. Am. J. Electr. Power Energy Syst. 2021, 10(2), 15-24. doi: 10.11648/j.epes.20211002.11

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AMA Style

Samuel Wanjoeh, Ghadir Radman. Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System. Am J Electr Power Energy Syst. 2021;10(2):15-24. doi: 10.11648/j.epes.20211002.11

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@article{10.11648/j.epes.20211002.11,
  author = {Samuel Wanjoeh and Ghadir Radman},
  title = {Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System},
  journal = {American Journal of Electrical Power and Energy Systems},
  volume = {10},
  number = {2},
  pages = {15-24},
  doi = {10.11648/j.epes.20211002.11},
  url = {https://doi.org/10.11648/j.epes.20211002.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.epes.20211002.11},
  abstract = {Wind energy as a renewable energy source continues to be a better alternative to fossil-fuel based generation due to its low cost and environmental benefits. While considerable research efforts have been focused on modeling and control of grid connected variable speed squirrel cage induction generator (SCIG) wind energy conversion systems (WECS), comprehensive models for grid integration studies have been almost non-existent. This paper presents the detail modeling, control and analysis of a grid-connected 2.25-MW variable speed SCIG based WECS that can be utilized for grid integration studies. The presented WECS model consists of a pitch regulated wind turbine connected to a SCIG through a gear box. Then, a full-capacity power electronic converter with maximum power point tracking (MPPT), dc bus voltage regulation and power factor correction, connects the SCIG to the grid. The power converter system comprises of back to back two-level voltage source converters linked through a dc-link capacitor. The generator and grid-side converters are controlled using indirect rotor field-oriented control (IR-FOC) and voltage-oriented control (VOC) respectively. The overall system is simulated in MATLAB/Simulink for a varying wind speed. Results show that the presented model is adequate and efficient in the representation of a variable speed SCIG WECS. In addition, the model meets all of the system performance objectives while simultaneously meeting all of the control objectives.},
 year = {2021}
}

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TY  - JOUR
T1  - Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System
AU  - Samuel Wanjoeh
AU  - Ghadir Radman
Y1  - 2021/04/23
PY  - 2021
N1  - https://doi.org/10.11648/j.epes.20211002.11
DO  - 10.11648/j.epes.20211002.11
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  - 15
EP  - 24
PB  - Science Publishing Group
SN  - 2326-9200
UR  - https://doi.org/10.11648/j.epes.20211002.11
AB  - Wind energy as a renewable energy source continues to be a better alternative to fossil-fuel based generation due to its low cost and environmental benefits. While considerable research efforts have been focused on modeling and control of grid connected variable speed squirrel cage induction generator (SCIG) wind energy conversion systems (WECS), comprehensive models for grid integration studies have been almost non-existent. This paper presents the detail modeling, control and analysis of a grid-connected 2.25-MW variable speed SCIG based WECS that can be utilized for grid integration studies. The presented WECS model consists of a pitch regulated wind turbine connected to a SCIG through a gear box. Then, a full-capacity power electronic converter with maximum power point tracking (MPPT), dc bus voltage regulation and power factor correction, connects the SCIG to the grid. The power converter system comprises of back to back two-level voltage source converters linked through a dc-link capacitor. The generator and grid-side converters are controlled using indirect rotor field-oriented control (IR-FOC) and voltage-oriented control (VOC) respectively. The overall system is simulated in MATLAB/Simulink for a varying wind speed. Results show that the presented model is adequate and efficient in the representation of a variable speed SCIG WECS. In addition, the model meets all of the system performance objectives while simultaneously meeting all of the control objectives.
VL  - 10
IS  - 2
ER  -

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Author Information

Samuel Wanjoeh

Electrical and Computer Engineering Department, Tennessee Technological University, Cookeville, United States
Ghadir Radman

Electrical and Computer Engineering Department, Tennessee Technological University, Cookeville, United States

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APA Style

Samuel Wanjoeh, Ghadir Radman. (2021). Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System. American Journal of Electrical Power and Energy Systems, 10(2), 15-24. https://doi.org/10.11648/j.epes.20211002.11

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ACS Style

Samuel Wanjoeh; Ghadir Radman. Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System. Am. J. Electr. Power Energy Syst. 2021, 10(2), 15-24. doi: 10.11648/j.epes.20211002.11

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AMA Style

Samuel Wanjoeh, Ghadir Radman. Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System. Am J Electr Power Energy Syst. 2021;10(2):15-24. doi: 10.11648/j.epes.20211002.11

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@article{10.11648/j.epes.20211002.11,
  author = {Samuel Wanjoeh and Ghadir Radman},
  title = {Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System},
  journal = {American Journal of Electrical Power and Energy Systems},
  volume = {10},
  number = {2},
  pages = {15-24},
  doi = {10.11648/j.epes.20211002.11},
  url = {https://doi.org/10.11648/j.epes.20211002.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.epes.20211002.11},
  abstract = {Wind energy as a renewable energy source continues to be a better alternative to fossil-fuel based generation due to its low cost and environmental benefits. While considerable research efforts have been focused on modeling and control of grid connected variable speed squirrel cage induction generator (SCIG) wind energy conversion systems (WECS), comprehensive models for grid integration studies have been almost non-existent. This paper presents the detail modeling, control and analysis of a grid-connected 2.25-MW variable speed SCIG based WECS that can be utilized for grid integration studies. The presented WECS model consists of a pitch regulated wind turbine connected to a SCIG through a gear box. Then, a full-capacity power electronic converter with maximum power point tracking (MPPT), dc bus voltage regulation and power factor correction, connects the SCIG to the grid. The power converter system comprises of back to back two-level voltage source converters linked through a dc-link capacitor. The generator and grid-side converters are controlled using indirect rotor field-oriented control (IR-FOC) and voltage-oriented control (VOC) respectively. The overall system is simulated in MATLAB/Simulink for a varying wind speed. Results show that the presented model is adequate and efficient in the representation of a variable speed SCIG WECS. In addition, the model meets all of the system performance objectives while simultaneously meeting all of the control objectives.},
 year = {2021}
}

Copy | Download

TY  - JOUR
T1  - Detailed Dynamic Modeling, Control, and Analysis of a Grid-Connected Variable Speed SCIG Wind Energy Conversion System
AU  - Samuel Wanjoeh
AU  - Ghadir Radman
Y1  - 2021/04/23
PY  - 2021
N1  - https://doi.org/10.11648/j.epes.20211002.11
DO  - 10.11648/j.epes.20211002.11
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  - 15
EP  - 24
PB  - Science Publishing Group
SN  - 2326-9200
UR  - https://doi.org/10.11648/j.epes.20211002.11
AB  - Wind energy as a renewable energy source continues to be a better alternative to fossil-fuel based generation due to its low cost and environmental benefits. While considerable research efforts have been focused on modeling and control of grid connected variable speed squirrel cage induction generator (SCIG) wind energy conversion systems (WECS), comprehensive models for grid integration studies have been almost non-existent. This paper presents the detail modeling, control and analysis of a grid-connected 2.25-MW variable speed SCIG based WECS that can be utilized for grid integration studies. The presented WECS model consists of a pitch regulated wind turbine connected to a SCIG through a gear box. Then, a full-capacity power electronic converter with maximum power point tracking (MPPT), dc bus voltage regulation and power factor correction, connects the SCIG to the grid. The power converter system comprises of back to back two-level voltage source converters linked through a dc-link capacitor. The generator and grid-side converters are controlled using indirect rotor field-oriented control (IR-FOC) and voltage-oriented control (VOC) respectively. The overall system is simulated in MATLAB/Simulink for a varying wind speed. Results show that the presented model is adequate and efficient in the representation of a variable speed SCIG WECS. In addition, the model meets all of the system performance objectives while simultaneously meeting all of the control objectives.
VL  - 10
IS  - 2
ER  -

Copy | Download