This tutorial paper presents the mathematics behind the widely observed air-gap field
modulation phenomena in electrical machines and derives the duality between electrical …

With the development of electrical machines, traditional machine theory can no longer
explain the operation principles of some new type machines, such as vernier machine and …

The Brushless Doubly-Fed Reluctance Machine (BDFRM) has been widely investigated in
numerous research studies since it is brushless and cageless and there is no winding on the …

Air-gap magnetic field modulation has been widely observed in electric machines. In this
study, we present an analytical analysis and performance characterization of brushless …

This article investigates the modeling and control of brushless doubly fed induction
generator (BDFIG) under an unbalanced network. The system behavior of BDFIG under the …

Brushless doubly fed reluctance machines (BDFRM) are an attractive option for megawatt-
scale turbo-electric propulsion systems due to use of a partially rated power converter …

The brushless doubly fed motor (BDFM) shows great potential for use in large medium-
voltage adjustable-speed drive (ASD) systems due to its high reliability and cost benefits of a …

The brushless doubly fed generator (BDFG) shows great potential for the variable speed
constant frequency ship shaft power generation applications due to its high reliability and …

A brushless doubly-fed reluctance machine requires partially-rated power converter,
reduced maintenance, and operates without permanent magnets making it an attractive …

This paper presents an analytical approach to determine the air-gap magnetic field and the
winding inductance in the brushless doubly-fed reluctance machine (BDFRM) with flux …