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Design of a norm-bounded LQG controller for power distribution networks with distributed generation

conference contribution
posted on 2012-01-01, 00:00 authored by Naruttam Kumar Roy, H Pota, Apel MahmudApel Mahmud
This paper presents a novel excitation control design to improve the voltage profile of power distribution networks with distributed generation and induction motor loads. The system is linearised by perturbation technique. Controller is designed using the linear-quadratic-Gaussian (LQG) controller synthesis method. The LQG controller is addressed with norm-bounded uncertainty. The approach considered in this paper is to find the smallest upper bound on the H∞ norm of the uncertain system and to design an optimal controller based on this bound. The design method requires the solution of a linear matrix inequality. The performance of the controller is tested on a benchmark power distribution system. Simulation results show that the proposed controller provides impressive oscillation damping compared to the conventional excitation controller.

History

Event

Australian Control. Conference (2nd : 2012 : Sydney, New South Wales)

Pagination

337 - 342

Publisher

Engineers Australia

Location

Sydney, New South Wales

Place of publication

Sydney, N.S.W.

Start date

2012-11-15

End date

2012-11-16

ISBN-13

9781922107633

Language

eng

Publication classification

E1.1 Full written paper - refereed

Copyright notice

2012, Engineers Australia

Title of proceedings

AUCC 2012 : Proceedings of the 2nd Australian Control Conference

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