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In this paper, a primary frequency control strategy based on fuzzy logic, designed for variable-speed wind generators, is proposed and tested on a 2.2 kW test bench. The fuzzy logic supervisor ensures a regular primary reserve for a large range of wind speeds without any wind speed measurement. This supervisor controls simultaneously the generator torque and the pitch angle to keep the primary reserve;...
In this paper, a primary frequency control strategy based on fuzzy logic designed for variable speed wind generator is proposed. The fuzzy logic supervisor ensures a regular primary reserve on a large range of wind speed without any wind speed measurement. This supervisor controls simultaneously the generator torque and the pitch angle to keep the primary reserve; it determines in real time the generator...
In this paper, a primary frequency control strategy based on fuzzy logic designed for variable speed wind generators is proposed and tested on a 2,2 kW test bench. The fuzzy logic supervisor ensures a regular primary reserve on a large range of wind speed without any wind speed measurement. This supervisor controls simultaneously the generator torque and the pitch angle to keep the primary reserve;...
We show that frequency bands of interaction as well as dynamics of energy flow to the point of common coupling (PCC) lead to hybrid system design keys. Related to each power source and storage device, segmentation of frequency domain of the hybrid system is achieved by control strategy in time domain.
The goal of this work is to develop a supervision strategy for hybrid generation systems. This strategy must allow to improve the grid insertion of wind turbine generators (WTG) by associating them some storage systems and foreseeable decentralized generator (FDG). To maintain a reference power and to contribute to the primary frequency control with a hybrid generator based on variable speed WTG,...
The main objective of this work is to emulate the capacity of a variable speed wind turbine generator (WTG) to participate in primary frequency control by using a 2,2 kW test bench. This participation requires a power reserve which is obtained with the help of the generator torque control by following a power reference value lower than the maximum power which must be extracted from the wind. This...
The paper presents a simulation for energy short term storage unit integrated into a stand alone hybrid wind diesel system. The energy short term storage unit is a flywheel device which is driven by a 6/4 switched reluctance machine (SRM) operating in motor and generator modes. The control strategy is developed to smooth the wind power turbulence fluctuations in order to decrease the fuel consumption...
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