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Mathematical Problems in Engineering - Volume 2015 2015, Article ID 452740, 14 pages -

Research Article

Department of Electrical and Electronic Engineering, Faculty of Engineering, Universiti Putra Malaysia UPM, 43400 Serdang, Selangor, Malaysia

Institute of Advanced Technology ITMA, Universiti Putra Malaysia UPM, 43400 Serdang, Selangor, Malaysia

Department of Biological Functions Engineering, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu-ku, Kitakyushu 808-0916, Japan

Graduate School of Science and Engineering, Yamaguchi University, 2-16-1 Tokiwadai, Ube-shi, Yamaguchi 755-8611, Japan

Received 8 April 2015; Revised 13 June 2015; Accepted 23 June 2015

Academic Editor: Xiaosong Hu

Copyright © 2015 Saman Toosi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

To enhance the performance of stand-alone battery based system and to achieve the continuous power transmission, the behavior of multidirectional matrix converter MDMC has been analyzed in different operation modes. A systematic method interfacing a renewable source, a storage battery, and a load is proposed for a stand-alone battery based power system SABBPS to utilize the MDMC as PWM converter, inverter, or PWM converter and inverter in different operation modes. In this study, the Extended Direct Duty Pulse Width Modulation EDDPWM technique has been applied to control the power flow path between the renewable source, load, and the battery. Corresponding to generator voltage, input frequency, and loads demands, several operating states and control strategies are possible. Therefore, the boundaries and distribution of operation modes are discussed and illustrated to improve the system performance. The mathematical equation of the EDDPWM under different operation modes has been derived to achieve the maximum voltage ratio in each mode. The theoretical and modulation concepts presented have been verified in simulation using MATLAB and experimental testing. Moreover, the THD, ripple, and power flow direction have been analyzed for output current to investigate the behavior of system in each operation mode.





Autor: Saman Toosi, Norhisam Misron, Tsuyoshi Hanamoto, Ishak Aris, Mohd Amran Mohd Radzi, and Hiroaki Yamada

Fuente: https://www.hindawi.com/



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