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Poly-phase systems have been used for many years in machines and recently in wind power generations. They usually are built by a dual three-phase system, shifted by 30 electrical degrees from each other and with no neutral connection. Typically, this system employs a twelve-pulse diode rectifier to converter ac to dc voltages. However, it may be improved if an active rectifier is used, because it...
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.
This paper presents a study of different cost functions as well as different topologies of the optimizer that is PSO in order to reach an optimum PID for the AVR system. The obtained PID parameters strongly depend on the selected cost function and the ability of the optimizer to explore well the search space. Once the cost function and the optimizer parameters are set, the metaheuristic method can...
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