High Performance of Nonlinear Active Rectifier Voltage and Power Factor Control Using Feedback Linearization

Saidah, Saidah and Purnomo, M. Hery and Ashari, Mochamad (2013) High Performance of Nonlinear Active Rectifier Voltage and Power Factor Control Using Feedback Linearization. Praise Worthy Praise, 08 (2). pp. 1-7. ISSN 1827-6660

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Abstract

Nonlinear property of Active rectifier is caused by the use of the semiconductor switches, resulting in high harmonic distortion and high ripple output voltage on the DC side. This research develops a nonlinear controller to improve performance of the dc output voltage and line current based on feedback linearization. . This controller mathematically transform nonlinear system dynamics into fully linear ones, so that linear control techniques can be applied. It is designed with selecting energy function on DC side and quadrature-axis current on AC side as output variables, in order to avoid the internal dynamics, so that the system becomes stable and robust. The system applies switch function of time as the input of control strategy, instead of current and voltage in d-q frame. The proposal is validated through different tests. These tests include difference performance with conventional controller (PI optimized). The simulation results in that the output voltage performing without any overshoot, while the ripple and settling time is 0.006 sec, which is better result compared to PI optimized.

Item Type:	Article
Uncontrolled Keywords:	Active Rectifier, Feedback Linearization, PI Optimized
Subjects:	Technology
Divisions:	Faculty of Engineering > Bachelor of Electrical Engineering
Depositing User:	Perpus Ubhara Surabaya
Date Deposited:	11 Aug 2022 02:41
Last Modified:	13 Feb 2023 05:23
URI:	http://eprints.ubhara.ac.id/id/eprint/1323

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