Wound Rotor Doubly Fed Induction Machine with Radial Rotary Transformer

Maurício Ruviaro, Fredemar Rüncos, Nelson Sadowski

Abstract


This paper shows a wound rotor doubly fed induction machine in which the typical brushes and slip-rings are substituted by rotary transformers. The advantages of rotary transformer usage, the doubly fed induction machine operation and the dimensioning of a radial rotary transformer are the main aspects presented in this study. The use of analytical equations is a very interesting resource for the development of industrial software for the calculation of this kind of device. Comparison between simulated and measured results shows the good approximation of the steady-state model with the reality of this equipment. 

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References


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DOI: http://dx.doi.org/10.1590/S2179-10742013000200013

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