A first-prototype of the claw pole type half-wave rectified variable field flux motor

Abe, Takashi; Oba, Ryohei; Higuchi, Tetsuya

doi:10.1109/icems.2014.7013508

Cited by 8 publications

(1 citation statement)

References 9 publications

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“…The previous paper (Abe et al, 2014) presents a first design a novel claw pole type half-wave rectified variable field flux motor (CP-HVFM) using half-wave rectified brushless excitation method. Not only it is simple and robust, but also the claw pole type rotor structure can place the rotor field winding short-circuited by a diode in the center of the rotor core.…”

Section: Introductionmentioning

confidence: 99%

Fundamental characteristics and first prototype of a novel claw pole type half-wave rectified variable field flux motor

Abe

Ohba

Higuchi

2016

COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

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Purpose – Recently, considerable attention has been attracted to the development of the new concept motor for EV or HEV. Wider torque and speed controllable operating range and high efficiency under driving area are needed for traction motor. The purpose of this paper is to realize the new concept variable field flux motor with claw pole rotor and brushless robust structure for high-speed range. Design/methodology/approach – In the previous paper, the authors proposed a half-wave rectified brushless variable field flux method with a diode inserted into the field winding. This paper presents a designing for a novel claw pole rotor type motor using the variable field flux method (CP-HVFM). The claw pole type rotor has simple and robust structure for high-speed operation. This paper describes a first prototype design result for CP-HVFM using 3D-FEM. And the authors report the torque and efficiency characteristic results using 3D-FEM. Findings – The authors have studied the designing for CP-HVFM using 3D-FEM. The designed prototype CP-HVFM reached a rated power of 2 kW or more at a rated speed 1,800 rpm under design restrictions of experimental equipment and initial specifications. In addition, the authors found the ratio of the tip and root embrace of the claw pole shape for maximum average torque and minimum torque ripple. Finally, the authors revealed an influence of the armature current on the torque and the efficiency characteristic results for the designed prototype CP-HVFM using 3D-FEM. Originality/value – The half-wave rectified brushless variable field flux method proved to be effective for the claw pole rotor type motor. And also the authors found the best claw pole shape for torque characteristic. This results are applied to another concept motor for EV or HEV.

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Section: Introductionmentioning

confidence: 99%

Fundamental characteristics and first prototype of a novel claw pole type half-wave rectified variable field flux motor

Abe

Ohba

Higuchi

2016

COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

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Application of the Integrated Diode Synchronous Motor to Traction Drive Motors

Hiramoto

Nakai

Yamada

et al. 2018

Electrical Engineering Japan

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In this study, a traction drive electric motor was designed with a new magnet-free motor design technique where electromagnets are generated on a rotor by utilizing changes in the spatial second harmonic of the magnetic fields. To apply the proposed technique to electric motor design, balancing the rotor and stator magnetomotive force is important. This paper presents design methods for adjusting the rotor and stator magnetomotive forces. A test motor was designed with these design methods and evaluated using a motor bench. The analytical and measurement data indicated that the proposed motor performed comparably to magnet motors. C⃝ 2018 Wiley Periodicals, Inc. Electr Eng Jpn, 204(3): 53-60, 2018; Published online in Wiley Online Library (wileyonlinelibrary.com).

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Influence of rotor structure on the torque characteristic of a novel Claw Pole Type Half-Wave Rectified Variable Field Flux Motor

Abe

Oba

Maeda

et al. 2015

2015 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe)

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A first-prototype of the claw pole type half-wave rectified variable field flux motor

Cited by 8 publications

References 9 publications

Fundamental characteristics and first prototype of a novel claw pole type half-wave rectified variable field flux motor

Fundamental characteristics and first prototype of a novel claw pole type half-wave rectified variable field flux motor

Application of the Integrated Diode Synchronous Motor to Traction Drive Motors

Influence of rotor structure on the torque characteristic of a novel Claw Pole Type Half-Wave Rectified Variable Field Flux Motor

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