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Open AccessArticle

Improved Load Frequency Control Using a Fast Acting Active Disturbance Rejection Controller

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Department of Electrical and Electronic Engineering, Dhaka University of Engineering and Technology, Gazipur1700, Bangladesh
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Department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Dhaka1205, Bangladesh
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School of Engineering and Information Technology, University of New South Wales-Canberra, Northcott Dr, Campbell ACT 2612, Australia
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Author to whom correspondence should be addressed.
Energies 2017, 10(11), 1718; https://doi.org/10.3390/en10111718
Received: 6 September 2017 / Revised: 12 October 2017 / Accepted: 23 October 2017 / Published: 27 October 2017
(This article belongs to the Section Electrical Power and Energy System)
System frequency may change from defined values while transmitting power from one area to another in an interconnected power system due to various reasons such as load changes and faults. This frequency change causes a frequency error in the system. However, the system frequency should always be maintained close to the nominal value even in the presence of model uncertainties and physical constraints. This paper proposes an Active Disturbance Rejection Controller (ADRC)-based load frequency control (LFC) of an interconnected power system. The controller incorporates effects of generator inertia and generator electrical proximity to the point of disturbances. The proposed controller reduces the magnitude error of the area control error (ACE) of an interconnected power system compared to the standard controller. The simulation results verify the effectiveness of proposed ADRC in the application of LFC of an interconnected power system. View Full-Text
Keywords: ADRC; extended state observer (ESO); LFC and tie-line synchronizing co-efficient ADRC; extended state observer (ESO); LFC and tie-line synchronizing co-efficient
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Rahman, M.M.; Chowdhury, A.H.; Hossain, M.A. Improved Load Frequency Control Using a Fast Acting Active Disturbance Rejection Controller. Energies 2017, 10, 1718.

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