Provision for Guaranteed Inertial Response in Diesel-Wind Systems via Model Reference Control

Zhang, Yichen; Melin, Alexander M.; Djouadi, Seddik M.; Olama, Mohammed M.; Tomsovic, Kevin

doi:10.1109/TPWRS.2018.2827205

Title: Provision for Guaranteed Inertial Response in Diesel-Wind Systems via Model Reference Control

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Abstract

Frequency performance has been a crucial issue for islanded microgrids. On one hand, most distributed energy resources (DER) are converter-interfaced and do not inherently respond to frequency variations. On the other hand, current inertia emulation approach cannot provide guaranteed response. In this paper, a model reference control based inertia emulation strategy is proposed for the diesel-wind systems. Desired inertia can be precisely emulated through the proposed strategy. A typical frequency response model with parametric inertia is set to be the reference model. A measurement at a specific location delivers the information about the disturbance acting on the diesel-wind system to the reference model. The objective is for the speed of the diesel generator to track the reference so that the desired inertial response is realized. In addition, polytopic parameter uncertainty will be considered. The control strategy is configured in different ways according to different operating points. The parameters of the reference model are scheduled to ensure adequate frequency response under a pre-defined worst case. The controller is implemented in a nonlinear three-phase diesel-wind system fed microgrid using the Simulink software platform. Lastly, the results show exact synthetic inertia is emulated and adequate frequency response is achieved.

Authors:

Zhang, Yichen ^[1];

^[2]; Djouadi, Seddik M. ^[3];

^[2]; Tomsovic, Kevin ^[3]

Univ. of Tennessee, Knoxville, TN (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
The Univ. of Tennessee, Knoxville, TN (United States)

Publication Date:: Mon Apr 16 00:00:00 EDT 2018

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1460233

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: IEEE Transactions on Power Systems

Additional Journal Information:: Journal Volume: 33; Journal Issue: 6; Journal ID: ISSN 0885-8950

Publisher:: IEEE

Country of Publication:: United States

Language:: English

Subject:: 24 POWER TRANSMISSION AND DISTRIBUTION; inertia emulation; low-inertia microgrid; dieselwind system; model reference control; polytopic uncertainty

Citation Formats


                    Zhang, Yichen, Melin, Alexander M., Djouadi, Seddik M., Olama, Mohammed M., and Tomsovic, Kevin. Provision for Guaranteed Inertial Response in Diesel-Wind Systems via Model Reference Control.  United States: N. p., 2018. 
Web.  doi:10.1109/TPWRS.2018.2827205.

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                    Zhang, Yichen, Melin, Alexander M., Djouadi, Seddik M., Olama, Mohammed M., & Tomsovic, Kevin. Provision for Guaranteed Inertial Response in Diesel-Wind Systems via Model Reference Control.  United States.  https://doi.org/10.1109/TPWRS.2018.2827205

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                    Zhang, Yichen, Melin, Alexander M., Djouadi, Seddik M., Olama, Mohammed M., and Tomsovic, Kevin. Mon .  
"Provision for Guaranteed Inertial Response in Diesel-Wind Systems via Model Reference Control".  United States.  https://doi.org/10.1109/TPWRS.2018.2827205.  https://www.osti.gov/servlets/purl/1460233.

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@article{osti_1460233,

  title        = {Provision for Guaranteed Inertial Response in Diesel-Wind Systems via Model Reference Control},

  author       = {Zhang, Yichen and Melin, Alexander M. and Djouadi, Seddik M. and Olama, Mohammed M. and Tomsovic, Kevin},

  abstractNote = {Frequency performance has been a crucial issue for islanded microgrids. On one hand, most distributed energy resources (DER) are converter-interfaced and do not inherently respond to frequency variations. On the other hand, current inertia emulation approach cannot provide guaranteed response. In this paper, a model reference control based inertia emulation strategy is proposed for the diesel-wind systems. Desired inertia can be precisely emulated through the proposed strategy. A typical frequency response model with parametric inertia is set to be the reference model. A measurement at a specific location delivers the information about the disturbance acting on the diesel-wind system to the reference model. The objective is for the speed of the diesel generator to track the reference so that the desired inertial response is realized. In addition, polytopic parameter uncertainty will be considered. The control strategy is configured in different ways according to different operating points. The parameters of the reference model are scheduled to ensure adequate frequency response under a pre-defined worst case. The controller is implemented in a nonlinear three-phase diesel-wind system fed microgrid using the Simulink software platform. Lastly, the results show exact synthetic inertia is emulated and adequate frequency response is achieved.},

  doi          = {10.1109/TPWRS.2018.2827205},

  journal      = {IEEE Transactions on Power Systems},

  number       = 6,

  volume       = 33,

  place        = {United States},

  year         = {Mon Apr 16 00:00:00 EDT 2018},

  month        = {Mon Apr 16 00:00:00 EDT 2018}

}

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