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This paper proposes a single-phase variant of the Brushless Doubly-Fed Machine, the Single-Phase BDFM, SPB. Like the BDFM it is a variable speed generator which requires a converter rated at only a fraction of the machine rating, using structure with no brushes. Unlike the BDFM, most of its power is delivered directly into a single-phase grid connection. As such it is a potential replacement for PM...
This paper presents an optimal scheme of excitation capacitor to decrease the capacity of static excitation controller (SEC) for dual stator-winding induction generator (DWIG) system applied in wind power generation. The investigations into reactive excitation power released by the excitation capacitor and SEC illustrate that the optimal excitation capacitor is not only related to generator parameters,...
This paper concerns the design and practical application of the multipolar induction generator which can be applied to small power directly driven wind generators (1 - 30 kW). All the windings of this generator are placed on the stator. The overturned rotor is tooth-like without windings on it. The stator is placed inside the rotor. This construction helps to reduce the weight of the generator for...
Nowadays, characteristics analysis of doubly salient electro-magnet machine is mostly about starter or generator separately, while transient characteristics of switching from starter to generator are less studied. Process of switching from starter to generator is an important part of the whole starter/generator system. In this paper, integral MATLAB model of doubly salient electro-magnet starter/generator...
There are sizeable pulsations in system with multi-phase electrical machines and PWM converters. They are increased under reduction winding pitch and decreased under using of multi-stage and multi-level converters and multi-phase paralleling reactors. Use of multi-stage convert-ers allows appreciably to decrease current load of capacitors in DC link.
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