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This paper examines the performance of a three-phase interior permanent-magnet generator used in a portable ac generator when directly driving isolated single-phase (1-ph) ac loads. The performance of the generator was compared under three alternative connections: 1) 1-ph star; 2) 1-ph delta; and 3) a proposed “open delta” connection. The voltage regulation, total harmonic distortion, and efficiency...
The brushless double-fed hybrid poles permanent generator is a new-style HESM. The basic principle and structure of the machine are introduced first. The paper presents the voltage regulator of this generator, which is composed of TCR. In the paper, the simulation models of the machine and voltage regulator are established according to the MATLAB. Finally, the simulation results are provided to demonstrate...
This paper is aimed to present the systematic design scheme of a direct driven slotless tubular linear generator for renewable energy retraction. To reduce operational cogging and increase energy conversion efficiency, the generator stator is equipped with slotless concentrated annular multiphase windings and its mover is encircled by quasi-Halbach arranged permanent magnets. By systematic comparisons...
In the paper the characteristic of no-load and on-load voltage of hybrid poles permanent magnet generator is calculated and analyzed using tooth flux method. Harmonic excitation and the non-linearity of generator are taken into account basing on FEM in the method. The value and waveforms of the voltage can be calculated accurately by using the method. In the paper not only is the result of no-load...
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