Abstract
In this paper, we present the active and reactive power control of a Dual Stator Induction Generator (DSIG). Contrary to the Doubly Fed Induction Generator (DFIG), which is controlled by its rotor and which delivers power from its stator, in the DSIG, one of the two stator windings plays the role of control winding and the other plays that of the power winding. The aim of this article is to establish, using some simplifying assumptions, the relationships between the active and the reactive powers delivered from the power winding and the voltages applied at its control winding terminals. Based on these relationships, a functional diagram is built and the active and reactive power regulators are synthesized. A model of the controlled DSIG is implemented under MATLAB-Simulink environment and the simulation results showed the feasibility and the performances of the developed control laws.
Highlights
In recent years and with the progress of science and technology, the global energy consumption continues to grow, the conventional sources of energy are limited and a number of problems are associated with their use such as environmental pollution
In [14] we find the fuzzy logic control strategy of wind generator based on the Dual-Stator Induction Generator
We propose to take this coupling into account and to develop, under certain simplifying assumptions, the relationships between the active and reactive powers delivered by the Dual Stator Induction Machine (DSIM) from its power winding and the voltages of its control winding, in order to synthesize Proportional Integral (PI) controllers
Summary
In recent years and with the progress of science and technology, the global energy consumption continues to grow, the conventional sources of energy are limited and a number of problems are associated with their use such as environmental pollution. Wind energy is considered as one of the most promising and important sources of renewable energy in the world, mainly because it is clean, cost-effective, renewable, and harmless to the environment and for its contribution to the reduction of CO2 emissions [2]. The permanent magnet synchronous generator (PMSG) plays a significant role in the wind energy conversion [3]. The high cost of the permanent magnets present in the rotor as well as its risk of demagnetization at high temperatures, limit the use of these machines [4]. Due to its many advantages, the DFIM became a good candidate for variable speed wind energy conversion systems [5] and for high power drive systems [6]. The presence of the slip rings and the brush system in the DFIM reduces its reliability, its robustness and requires periodical maintenance [7]
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