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Poly-phase systems have been used for many years in machines and recently in wind power generations. Typically, this system employs diode rectifiers, however, it may be improved employing active rectifier. Considering it, this paper proposes a six-phase active rectifier topology controlled in synchronous frame reference. Results were validated by simulation.
In this paper, authors presents a novel competitive 31-level converter which makes use of small number of power switches and passive components. In case of DC/AC conversion, the proposed 31-level inverter allows a nearly sinusoidal output voltage resulting on a perfectly sinusoidal load current. In case of AC/DC conversion, it presents a reduced impact on the utility supply and a good energetic efficiency...
In this paper, the authors present a novel competitive 31-level converter which makes use of small number of power switches and passive components. In case of DC/AC conversion, the proposed 31-level inverter allows a nearly sinusoidal output voltage resulting on a perfectly sinusoidal load current. In case of AC/DC conversion, it presents a reduced impact on the utility supply and a good energetic...
This paper presents a small signal state-space model of an active rectifier. The model considers the reference frame, the variation of frequency and control dynamics. It is suitable for analysing small signal stability of active rectifier loads in networks where a small load perturbation may cause a frequency disturbance. The model is formed by separating the active rectifier into sub sections. Each...
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