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Modeling and Control of DC-AC Power Converters of Distributed Energy Resources in Microgrids

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Modeling and Control of Sustainable Power Systems

Part of the book series: Green Energy and Technology ((GREEN))

Abstract

The high penetration of power electronic interfaced distributed energy resources in microgrids raises several problems on the stability and power quality of microgrids. In this chapter, the modeling of DC-AC converters is discussed based on the characteristics of the MGs. The control techniques developed for DC-AC converters are briefly discussed. The capabilities and limits of these control methods are presented in order to enable the researchers to find suitable control strategy for a specified microgrid application. Finally, a performance test of microgrids is analyzed based on power quality and stability of microgrids. In this analysis, various scenarios are developed in order to examine the performance of the system. Some of the main issues which must be considered are discussed such as: 1) Power quality and regulation in the steady state operation, 2) Stability under low and medium frequency disturbances, 3) Stability under high frequency disturbances. This chapter is focused on the inner voltage and current controllers rather than power management of microgrids. The performance tests are developed in MATLAB/SIMULINK in which a more realistic performance of the system is tested using the SimPowerSystem Toolbox.

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Authors and Affiliations

  1. Department of Electrical Engineering and Computer Science, University of Toledo, MS 308, 2801 W. Bancroft St., Toledo, OH, 43606, USA

    Mohammadhassan Abdollahi Sofla, Lingfeng Wang & Roger King

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  1. Mohammadhassan Abdollahi Sofla
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  2. Lingfeng Wang
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  3. Roger King
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Editor information

Editors and Affiliations

  1. Electrical Engineering and Computer Science Dept., University of Toledo, MS 308 2801W Bancroft St., 43606, Toledo, OH, USA

    Lingfeng Wang

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Sofla, M.A., Wang, L., King, R. (2012). Modeling and Control of DC-AC Power Converters of Distributed Energy Resources in Microgrids. In: Wang, L. (eds) Modeling and Control of Sustainable Power Systems. Green Energy and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-22904-6_12

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  • DOI: https://doi.org/10.1007/978-3-642-22904-6_12

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-22903-9

  • Online ISBN: 978-3-642-22904-6

  • eBook Packages: EngineeringEngineering (R0)

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