Design and optimization of a Cage + Nested loops rotor BDFM

Olubamiwa, O. I.; Gule, Nkosinathi

doi:10.1109/icem49940.2020.9270698

Cited by 9 publications

(10 citation statements)

References 23 publications

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“…In [66], the authors of this paper presented a BDFM design process. A modified version of that process is presented here.…”

Section: Bdfm Design and Optimization Proceduresmentioning

confidence: 99%

“…It is demonstrated in [67], how the power output of BDFMs varies with PW power factor, such that the maximum generated power from a design may be much larger than the power generated at PW unity power factor. As a result, power output at PW unity power factor is used in the optimization process in [66]. A response surface approximation (RSA) developed from 2-D transient FEA results is used with the NSGA-II.…”

Section: Bdfm Design and Optimization Proceduresmentioning

confidence: 99%

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A Review of the Advancements in the Design of Brushless Doubly Fed Machines

Olubamiwa

Gule

2022

Energies

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Research interest on brushless doubly fed induction machines (BDFMs) is increasing, as they offer higher reliability compared to doubly fed induction generators (DFIGs) in wind turbines. At the moment, BDFMs do not have a definitive structure nor design process, as literature is rife with different approaches to designing BDFMs. In this paper, a comprehensive review of the design of BDFMs from available literature is conducted. The evolution of cascade induction machine systems to contemporary BDFMs is first illustrated. Pioneering research work in the evolution which have influences on modern BDFM designs are highlighted. Relevant research on different aspects of present day BDFM design are then discussed. BDFM design and optimization methodologies applied in available literature are also explored.

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“…In [66], the authors of this paper presented a BDFM design process. A modified version of that process is presented here.…”

Section: Bdfm Design and Optimization Proceduresmentioning

confidence: 99%

Section: Bdfm Design and Optimization Proceduresmentioning

confidence: 99%

A Review of the Advancements in the Design of Brushless Doubly Fed Machines

Olubamiwa

Gule

2022

Energies

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“…These are no permanent magnets, high reliability, good grid fault ridethrough capability, and the fractional rating of the power converter [1][2][3]. There have been many accomplishments in the area of modelling and designing the BDFIM [4][5][6][7][8][9][10][11][12][13][14]. In recent years the focus has been on improving the machine efficiency through finding new [8] and optimising existing [9][10][11][12] rotor structures.…”

Section: Introductionmentioning

confidence: 99%

“…There have been many accomplishments in the area of modelling and designing the BDFIM [4][5][6][7][8][9][10][11][12][13][14]. In recent years the focus has been on improving the machine efficiency through finding new [8] and optimising existing [9][10][11][12] rotor structures. The BDFIM typically operates at slips equal to 30%-50% which makes the skin/proximity effects in rotor bars more significant than in an ordinary IM.…”

Section: Introductionmentioning

confidence: 99%

“…In order to determine the performance characteristics of a BDFIM within a finite element analysis framework [14,15], one typically has to involve computationally demanding time-stepping models despite the fact that the optimisation problem is usually formulated for the steadystate values of global quantities [9][10][11][12]. One proposed alternative is a magnetostatic model which assumes that the currents in the rotor bars can be determined using a spacetime transformation of the fundamental time component of the MFD waveform in the rotor frame of reference [16,17].…”

Section: Introductionmentioning

confidence: 99%

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Time‐harmonic field‐circuit model for brushless doubly fed induction machine

Jagieła

Wang

McMahon

et al. 2023

IET Electric Power Appl

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A computationally efficient time-harmonic finite element model for the steady-state analysis of a brushless doubly fed induction machine (BDFIM) is proposed. In the model, the electromagnetic couplings of the BDFIM are described by means of the sum of two complex magnetic vector potentials that represent the two fundamental harmonic time components of the magnetic flux density distribution in the rotor frame of reference. As in an ordinary induction motor, the non-linearity of the magnetisation characteristic is accounted for using an effective magnetic permeability. For the BDFIM, this is derived by considering the features of modulated magnetic flux density waveform. The accuracy of the approach has been validated by comparing the characteristics of a D270 machine operating in the double-feed mode with ones obtained from the experimentally verified time-stepping model at various operating conditions. High accuracy of the results coming from the proposed model is demonstrated even under deep saturation conditions within the magnetic circuit.

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Parametric Analysis and Performance Comparison of a Novel Brushless Double-Fed Generator with Series Cage Bar Assisted Magnetic Barrier Rotor

Diao

Zhang

2022

Lecture Notes in Electrical Engineering

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Design and optimization of a Cage + Nested loops rotor BDFM

Cited by 9 publications

References 23 publications

A Review of the Advancements in the Design of Brushless Doubly Fed Machines

A Review of the Advancements in the Design of Brushless Doubly Fed Machines

Time‐harmonic field‐circuit model for brushless doubly fed induction machine

Parametric Analysis and Performance Comparison of a Novel Brushless Double-Fed Generator with Series Cage Bar Assisted Magnetic Barrier Rotor

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