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The permanent magnet synchronous generator (PMSG) based variable speed wind turbine is connected to the power grid via a full-scale converter. The full-scale converter presented in this paper consists of an active rectifier, an inverter and DC-DC converter for Energy Storage System (ESS). The rectifier controller uses the rotor flux oriented control (FOC) system and achieves Maximum Power Point Tracking...
To accommodate the wind power fluctuation, a hybrid energy storage system (HESS) consisting of battery energy system (BESS) and super-capacitor is adopted in this paper. A probability-based power capacity specification approach is proposed in this paper. Through this method the capacities of BESS and super-capacitor are properly designed to bridge the characteristics of high energy density of BESS...
Increased awareness of environmental concerns has caused greater interest in developing power sources based on renewable technologies, such as wind. Due to the intermittent nature of the wind speed, output voltage and frequency of the direct driven permanent magnet synchronous generators (PMSG) are normally unsteady. Recently proposed Z-source inverter has been considered as a potential solution for...
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