Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis

Maruf A. Aminu

doi:doi:10.11648/j.ijecec.20160204.11

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Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis

Maruf A. Aminu

Published in International Journal of Electrical Components and Energy Conversion (Volume 2, Issue 4)

Received: 1 April 2016 Accepted: 24 February 2017 Published: 11 March 2017

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Abstract

This paper presents the results of attempt to validate the response dynamism of an 11kW, 575V wind turbine micro-grid connected to a 100MVA, 13.8kV utility under three phase bolted short circuit. The micro-grid was modeled using two Doubly-Fed Induction Generators (DFIGs). The test bed was developed in SimPowerSystems^® at a system frequency of 50Hz with cut-in and cut-out wind speeds of 3ms^-1 and 6ms^-1, respectively. Short circuit fault is applied at 6.0s and withdrawn at 8.0s, and 50.0s dynamic response of the system is obtained for different fault locations, under voltage and reactive power controls of the wind turbine controller in grid-connected mode. The results of the study show bidirectional power flow due to power exchange between the utility and micro-grid, and poor post-fault sub-transient and transient instability associated with the micro-grid due to comparatively lower inertia. The study also shows that the micro-grid presents superior performance when stressed under Q control than under V control. Finally, the response of the test bed is found to be consistent with established short circuit theory, establishing its validity.

Published in	International Journal of Electrical Components and Energy Conversion (Volume 2, Issue 4)
DOI	10.11648/j.ijecec.20160204.11
Page(s)	21-34
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), 2017. Published by Science Publishing Group

Keywords

Micro-grid, Dynamic, DFIG, Micro-source, Fault

References

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APA Style

Maruf A. Aminu. (2017). Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis. International Journal of Electrical Components and Energy Conversion, 2(4), 21-34. https://doi.org/10.11648/j.ijecec.20160204.11

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ACS Style

Maruf A. Aminu. Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis. Int. J. Electr. Compon. Energy Convers. 2017, 2(4), 21-34. doi: 10.11648/j.ijecec.20160204.11

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AMA Style

Maruf A. Aminu. Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis. Int J Electr Compon Energy Convers. 2017;2(4):21-34. doi: 10.11648/j.ijecec.20160204.11

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@article{10.11648/j.ijecec.20160204.11,
  author = {Maruf A. Aminu},
  title = {Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis},
  journal = {International Journal of Electrical Components and Energy Conversion},
  volume = {2},
  number = {4},
  pages = {21-34},
  doi = {10.11648/j.ijecec.20160204.11},
  url = {https://doi.org/10.11648/j.ijecec.20160204.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijecec.20160204.11},
  abstract = {This paper presents the results of attempt to validate the response dynamism of an 11kW, 575V wind turbine micro-grid connected to a 100MVA, 13.8kV utility under three phase bolted short circuit. The micro-grid was modeled using two Doubly-Fed Induction Generators (DFIGs). The test bed was developed in SimPowerSystems® at a system frequency of 50Hz with cut-in and cut-out wind speeds of 3ms-1 and 6ms-1, respectively. Short circuit fault is applied at 6.0s and withdrawn at 8.0s, and 50.0s dynamic response of the system is obtained for different fault locations, under voltage and reactive power controls of the wind turbine controller in grid-connected mode. The results of the study show bidirectional power flow due to power exchange between the utility and micro-grid, and poor post-fault sub-transient and transient instability associated with the micro-grid due to comparatively lower inertia. The study also shows that the micro-grid presents superior performance when stressed under Q control than under V control. Finally, the response of the test bed is found to be consistent with established short circuit theory, establishing its validity.},
 year = {2017}
}

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TY  - JOUR
T1  - Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis
AU  - Maruf A. Aminu
Y1  - 2017/03/11
PY  - 2017
N1  - https://doi.org/10.11648/j.ijecec.20160204.11
DO  - 10.11648/j.ijecec.20160204.11
T2  - International Journal of Electrical Components and Energy Conversion
JF  - International Journal of Electrical Components and Energy Conversion
JO  - International Journal of Electrical Components and Energy Conversion
SP  - 21
EP  - 34
PB  - Science Publishing Group
SN  - 2469-8059
UR  - https://doi.org/10.11648/j.ijecec.20160204.11
AB  - This paper presents the results of attempt to validate the response dynamism of an 11kW, 575V wind turbine micro-grid connected to a 100MVA, 13.8kV utility under three phase bolted short circuit. The micro-grid was modeled using two Doubly-Fed Induction Generators (DFIGs). The test bed was developed in SimPowerSystems® at a system frequency of 50Hz with cut-in and cut-out wind speeds of 3ms-1 and 6ms-1, respectively. Short circuit fault is applied at 6.0s and withdrawn at 8.0s, and 50.0s dynamic response of the system is obtained for different fault locations, under voltage and reactive power controls of the wind turbine controller in grid-connected mode. The results of the study show bidirectional power flow due to power exchange between the utility and micro-grid, and poor post-fault sub-transient and transient instability associated with the micro-grid due to comparatively lower inertia. The study also shows that the micro-grid presents superior performance when stressed under Q control than under V control. Finally, the response of the test bed is found to be consistent with established short circuit theory, establishing its validity.
VL  - 2
IS  - 4
ER  -

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Author Information

Maruf A. Aminu

Department of Electrical and Computer Engineering, Curtin University, Sarawak, Malaysia

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APA Style

Maruf A. Aminu. (2017). Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis. International Journal of Electrical Components and Energy Conversion, 2(4), 21-34. https://doi.org/10.11648/j.ijecec.20160204.11

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ACS Style

Maruf A. Aminu. Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis. Int. J. Electr. Compon. Energy Convers. 2017, 2(4), 21-34. doi: 10.11648/j.ijecec.20160204.11

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AMA Style

Maruf A. Aminu. Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis. Int J Electr Compon Energy Convers. 2017;2(4):21-34. doi: 10.11648/j.ijecec.20160204.11

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@article{10.11648/j.ijecec.20160204.11,
  author = {Maruf A. Aminu},
  title = {Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis},
  journal = {International Journal of Electrical Components and Energy Conversion},
  volume = {2},
  number = {4},
  pages = {21-34},
  doi = {10.11648/j.ijecec.20160204.11},
  url = {https://doi.org/10.11648/j.ijecec.20160204.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijecec.20160204.11},
  abstract = {This paper presents the results of attempt to validate the response dynamism of an 11kW, 575V wind turbine micro-grid connected to a 100MVA, 13.8kV utility under three phase bolted short circuit. The micro-grid was modeled using two Doubly-Fed Induction Generators (DFIGs). The test bed was developed in SimPowerSystems® at a system frequency of 50Hz with cut-in and cut-out wind speeds of 3ms-1 and 6ms-1, respectively. Short circuit fault is applied at 6.0s and withdrawn at 8.0s, and 50.0s dynamic response of the system is obtained for different fault locations, under voltage and reactive power controls of the wind turbine controller in grid-connected mode. The results of the study show bidirectional power flow due to power exchange between the utility and micro-grid, and poor post-fault sub-transient and transient instability associated with the micro-grid due to comparatively lower inertia. The study also shows that the micro-grid presents superior performance when stressed under Q control than under V control. Finally, the response of the test bed is found to be consistent with established short circuit theory, establishing its validity.},
 year = {2017}
}

Copy | Download

TY  - JOUR
T1  - Validating Response of ac Micro-grid to Three Phase Short Circuit in Grid-Connected Mode Using Dynamic Analysis
AU  - Maruf A. Aminu
Y1  - 2017/03/11
PY  - 2017
N1  - https://doi.org/10.11648/j.ijecec.20160204.11
DO  - 10.11648/j.ijecec.20160204.11
T2  - International Journal of Electrical Components and Energy Conversion
JF  - International Journal of Electrical Components and Energy Conversion
JO  - International Journal of Electrical Components and Energy Conversion
SP  - 21
EP  - 34
PB  - Science Publishing Group
SN  - 2469-8059
UR  - https://doi.org/10.11648/j.ijecec.20160204.11
AB  - This paper presents the results of attempt to validate the response dynamism of an 11kW, 575V wind turbine micro-grid connected to a 100MVA, 13.8kV utility under three phase bolted short circuit. The micro-grid was modeled using two Doubly-Fed Induction Generators (DFIGs). The test bed was developed in SimPowerSystems® at a system frequency of 50Hz with cut-in and cut-out wind speeds of 3ms-1 and 6ms-1, respectively. Short circuit fault is applied at 6.0s and withdrawn at 8.0s, and 50.0s dynamic response of the system is obtained for different fault locations, under voltage and reactive power controls of the wind turbine controller in grid-connected mode. The results of the study show bidirectional power flow due to power exchange between the utility and micro-grid, and poor post-fault sub-transient and transient instability associated with the micro-grid due to comparatively lower inertia. The study also shows that the micro-grid presents superior performance when stressed under Q control than under V control. Finally, the response of the test bed is found to be consistent with established short circuit theory, establishing its validity.
VL  - 2
IS  - 4
ER  -

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