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Three Control Strategies to Improve the Microgrid Transient Dynamic Response During Isolated Mode: A Comparative Study | IEEE Journals & Magazine | IEEE Xplore

Three Control Strategies to Improve the Microgrid Transient Dynamic Response During Isolated Mode: A Comparative Study


Abstract:

The necessity to solve global warming problems by reducing \hbox{CO}_{2} emission in the electricity generation field had led to increasing interest in microgrids (MGs...Show More

Abstract:

The necessity to solve global warming problems by reducing \hbox{CO}_{2} emission in the electricity generation field had led to increasing interest in microgrids (MGs), particularly those containing the renewable sources such as solar and wind generation. Wind speed fluctuations cause high variations in the output power of a wind turbine which cause fluctuations in frequency and voltage of the MG during islanding mode and originate stability problems. In this paper, three techniques are proposed for solving and reducing the consequences of this problem. In the first technique, we develop a new fuzzy logic pitch angle controller. In the second technique, we design an energy-storage ultracapacitor which directly smoothes the output power of the wind turbine and enhances the performance of the MG during the islanding mode. In the third technique, storage batteries are used to support the MG in the islanding mode.
Published in: IEEE Transactions on Industrial Electronics ( Volume: 60, Issue: 4, April 2013)
Page(s): 1314 - 1322
Date of Publication: 19 July 2012

ISSN Information:


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