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  4. A Cascade Voltage Controller for Three-phase Islanded Microgrids
 
conference paper

A Cascade Voltage Controller for Three-phase Islanded Microgrids

Bahrani, Behrooz  
•
Rufer, Alfred  
2013
2013 Ieee Power And Energy Society General Meeting (Pes)
PES 2013 : IEEE Power And Energy Society General Meeting

This paper proposes a cascade or multiloop digital control strategy for the voltage regulation of a three-phase islanded single distributed generation (DG) unit microgrid and its dedicated load. The cascade control strategy consists of an inner dq-currents control loop and an outer dq-voltages control loop responsible for providing the set-points of the inner loop. To design the outer loop, a constrained optimization-based loop shaping method is adopted. It uses multi-input multi-output (MIMO) nonparametric or spectral models of the system for an arbitrary number of desired operating points along with a linearly parameterized MIMO controller to form a set of open-loop transfer function matrices. Minimizing the summation of the second norm of the errors between the open-loop transfer function matrices and a desired one, the coefficients of the controller are optimally determined. Taking several load change scenarios, the performance of the proposed controller is evaluated based on time-domain simulation studies in MATLAB/PLECS.

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Type
conference paper
DOI
10.1109/PESMG.2013.6673060
Web of Science ID

WOS:000331874304023

Author(s)
Bahrani, Behrooz  
Rufer, Alfred  
Date Issued

2013

Published in
2013 Ieee Power And Energy Society General Meeting (Pes)
Total of pages

6

Subjects

Cascade Control

•

Convex Optimization

•

Distributed Generation

•

Islanded Mode

•

Loop Shaping

•

Microgrid

•

Multiloop Control

•

Voltage Regulation

•

Voltage Source Converter

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LEI  
Event nameEvent placeEvent date
PES 2013 : IEEE Power And Energy Society General Meeting

Vancouver, Canada

21-25 July 2013

Available on Infoscience
June 2, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/103875
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