A new topology for dual rotor/stator BLDC motors applied to marine thrusters

Uygun, Durmuş; Solmaz, Selim; Turan, Altug; Ruzgar, Serife Tozan

doi:10.1109/powereng.2015.7266342

Cited by 5 publications

(2 citation statements)

References 17 publications

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“…Computer-aided design (CAD) systems are based on the finite element method (FEM) for numerical analysis of the electromagnetic problems [16]- [18]. FEM is a practical, fast and reliable method used to calculate the magnetic fields in electrical machinery [19]- [21].…”

Section: Description Of the Analysed Motormentioning

confidence: 99%

FEA-Based Design Improvement of Small Scale BLDCMs Considering Magnet Thickness and Pole Embrace

2017

IJCCIE

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Abstract-This study is concerned with the minimization of cogging torque component, by taking into account magnet thickness and pole embrace value for small power battery-fed brushless DC motors (BLDCMs) with high efficiency and high reliability. Distinct values of magnet thickness and embrace are defined in the specified range for the design and comparatively mentioned in the paper. Depending upon the magnet thickness and pole embrace, the obtained new magnet shapes are modelled on a comparative basis using both analytical approach and finite element analysis (FEA). The BLDCM with low cogging torque and optimal magnet shape is designed by the help of 3D FEA by considering the magnetic flux density distributions. In addition, the magnet shape's effect on the motor parameters such as motor efficiency, output power, and air gap flux density is discussed throughout the paper. The analytical results are verified by the transient FEA.

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Section: Description Of the Analysed Motormentioning

confidence: 99%

FEA-Based Design Improvement of Small Scale BLDCMs Considering Magnet Thickness and Pole Embrace

2017

IJCCIE

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“…An especial stator winding allows the rotors to rotate in opposite directions [10], allowing the contra‐rotating propellers to be driven without brushes or commutation difficulties. Radial flux PM motor [15] and axial flux PM motor [16] have been studied for contra‐rotating system. The radial flux motor is expected to produce the same torque on both shafts, so the flux density of outer rotor should be lower than that of inner one.…”

Section: Introductionmentioning

confidence: 99%

Self‐compensation of torque reaction in an induction contra‐rotating propulsion motor

Hassannia

2022

IET Electric Power Appl

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Torque reaction is one of the most critical issues with current aerial and undersea vehicles. Contra‐Rotating Propulsion (CRP) systems are the most popular technique for compensating the torque reaction of floating vehicles. However, the unbalanced load conditions are inescapable in CRP systems, which eliminate the net zero torque reaction and impulse unwanted spinning on vehicle. A new single‐phase dual rotor axial flux induction motor has been investigated in this paper that has the ability of self‐compensate reaction torque against unbalanced loads. The proposed motor can eliminate the requirement for complicated torque reaction control systems. Finite element simulation shows the expected performance of proposed motor under unbalanced conditions. The simulation results have been verified by experimental testing of a motor prototype.

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Study and Validation of a Contra-Rotating Dual Rotor Switched Reluctance Machine in Marine Propulsion

De Croo,

Van Lierde,

De Belie

2023

2023 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles &Amp; Interna

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A new topology for dual rotor/stator BLDC motors applied to marine thrusters

Cited by 5 publications

References 17 publications

FEA-Based Design Improvement of Small Scale BLDCMs Considering Magnet Thickness and Pole Embrace

FEA-Based Design Improvement of Small Scale BLDCMs Considering Magnet Thickness and Pole Embrace

Self‐compensation of torque reaction in an induction contra‐rotating propulsion motor

Study and Validation of a Contra-Rotating Dual Rotor Switched Reluctance Machine in Marine Propulsion

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