Auteur Vilathgamuwa, D. Mahinda
Documents disponibles écrits par cet auteur (7)
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Li, Yun Wei, Auteur ; Vilathgamuwa, D. Mahinda ; Blaabjerg, Frede, Auteur ; Poh Chiang Loh, Auteur |The performance of a dynamic voltage restorer (DVR) is determined solely by its controller. The design of high performance control algorithms for DVR control with improved robustness and desirable steady-state and transient characteristics is th[...]
Article : texte imprimé
Gajanayake, Chandana Jayampathi, Auteur ; Vilathgamuwa, D. Mahinda, Auteur ; Poh Chiang Loh, Auteur |This paper presents the modeling and design of a closed-loop controller for a $Z$-source inverter. The $Z$-source inverter is a recently proposed single-stage power converter, and it is capable of operating in both buck and boost modes. Hence,[...]
Article : texte imprimé
Vilathgamuwa, D. Mahinda, Auteur ; Wijekoon, H. M., Auteur ; Choi, S. S. |The dynamic voltage restorer (DVR) provides a technically advanced and economical solution to voltage-sag problem. As the voltage-restoration process involves real-power injection into the distribution system, the capability of a particular DVR [...]
Article : texte imprimé
Vilathgamuwa, D. Mahinda, Auteur ; Poh Chiang Loh, Auteur ; Li, Yunwei |Microgrids are systems with clusters of microgenerators, which are installed for distributed power generation. When interfaced to the utility grid, microgrids are exposed to common utility power-quality disturbances. In particular, during utilit[...]
Article : texte imprimé
Li, Yun Wei, Auteur ; Blaabjerg, Frede ; Vilathgamuwa, D. Mahinda, Auteur ; Poh Chiang Loh, Auteur |In this paper a robot control scheme with an outer H infinity voltage control loop and an inner current control loop is designed and implemented on a medium-voltage (MV)-level dynamic voltage restorer (DVR) system. THrough a simple selection of [...]
Article : texte imprimé
Poh Chiang Loh, Auteur ; Vilathgamuwa, D. Mahinda, Auteur ; Gajanayake, Chandana Jayampathi, Auteur |The newly proposed Z-Source inverter has been proven in the literature to exhibit both steady-state voltage buck and boost capabilities using a unique LC impedance network coupled between the power source and converter circuit. This paper now p[...]
Article : texte imprimé
Poh Chiang Loh, Auteur ; Vilathgamuwa, D. Mahinda, Auteur ; Gajanayake, Chandana Jayampathi, Auteur |Traditionally, current source (CS) inverters have been adopted for use in medium and high power industry applications. These inverters, however, support only current-buck dc-ac power conversion and need a relatively complex modulator, as compare[...]
