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This paper examines the application of phase advance modulation with a semi-bridge switched mode rectifier (SMR) previously used in automotive applications to small-scale wind turbines. Simulations and experimental testing are conducted to determine the optimal parameter selection with this modulation technique which results in increased output power while maintaining the phase current at its rated...
The dynamic performance of wind turbines indicates that the power extracted from the wind is strongly related to the inertia of the system and characteristics of wind speed. In this paper, a simulation model of a wind turbine system has been developed to study the effects of inertia. Three aspects of the dynamic performance of wind turbines are investigated in the paper: the prediction of the trend...
Small-scale wind turbines commonly use AC/DC converters such as rectifiers, switched mode rectifiers (SMRs) and inverters. Another power converter, the semi-bridge SMR has been researched for automotive applications, and is utilised by a number of small-scale wind turbine manufacturers. This paper applies a novel modulation technique developed for automotive applications of the semi-bridge SMR for...
This paper describes a novel low-cost grid-connected inverter for small-scale wind turbines based on a high-inductance PM generator operating in a constant-current output mode. The PM generator is connected to a switched-mode rectifier (SMR) which consists of an uncontrolled rectifier and a switch. The combination of the high-inductance generator and uncontrolled rectifier produces a constant DC current...
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