Real-Time Implementation Of D-Q Control For Grid Connected Three Phase Voltage Source Converter

Mohamad Razali, Azziddin and Rahman, ,Mahmudur Azizur and A. Rahim , Nasrudin (2016) Real-Time Implementation Of D-Q Control For Grid Connected Three Phase Voltage Source Converter. ASDDD, 4. p. 11. ISSN 1553-572X

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This paper investigates a new approach to develop and implement a virtual flux oriented control (VFOC) for the front-end three phase bidirectional voltage source converter (VSC) by adapting the principle operations of voltage oriented control (VOC) and power estimation used in virtual flux direct power control (VFDPC).The proposed VFOC operates with minimal number of sensors by avoiding the used of ac voltage supply sensors.In addition,the proposed control scheme utilizes the direct and quadrature (d-q) decoupling and feed-forward components to enhance the performance of front-end VSC during load and supply voltage disturbances.The steady-state as well as the dynamic performance of the proposed controller is presented and analyzed by means of the Matlab simulation, and verified through experiment.The ac-dc converter utilizing VFOC is able to produce adjustable dc output voltage,fixed switching frequency,unity power factor and low harmonic distortion of the line current.

Item Type: Article
Uncontrolled Keywords: grid virtual flux oriented control (VFOC), voltage source converter, active and reactive power, vector current control, power factor correction.
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical Engineering > Department of Power Electronics & Drives
Depositing User: Mohd. Nazir Taib
Date Deposited: 11 Feb 2019 04:48
Last Modified: 16 Aug 2021 14:31
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