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Disturbance-observer based control of voltage-source-converter under unbalanced voltage conditions

Rasool, Akhtar and Özsoy, Emre and Ahmad, Fiaz and Şabanoviç, Asif and Padmanaban, Sanjeevikumar (2017) Disturbance-observer based control of voltage-source-converter under unbalanced voltage conditions. (Accepted/In Press)

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Abstract

A grid voltage dynamic model is represented in symmetrical positive and negative sequence reference frames. A proportional controller structure with a first order low pass filter disturbance observer (DOB) is designed for power control in unbalanced voltage conditions. This controller is capable of meeting the positive sequence power requirements, and it also eliminates negative sequence power components which cause double frequency oscillations on power. The symmetrical components are calculated by using the second order generalized integrator (SOGI) based observer, which accurately estimates the symmetrical components.

Item Type:Article
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics
ID Code:32562
Deposited By:Asif Şabanoviç
Deposited On:07 Aug 2017 15:11
Last Modified:29 Sep 2017 11:27

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