A new sensorless method for switched reluctance motor drives [PDF]
, 1998 This paper describes a new method for indirect sensing of the rotor position in switched reluctance motors (SRMs) using pulse width modulation voltage control.
Gallegos-Lopez, G. +2 more
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Influence of design parameters on the starting torque of a single-phase PM brushless DC motor [PDF]
, 2000 The starting torque of a single-phase permanent magnet brushless DC motor is investigated, for both radial and parallel magnetization. Finite element analysis is used to assess the relative merits of alternative methods of introducing the required air ...
Bentouati, S., Howe, D., Zhu, Z.Q.
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IEEE transactions on industrial electronics (1982. Print), 2020 Developments of the high-speed response brushless excitation systems (HSRBESs) are ongoing in the power industry. This is because the transient response of the excitation system (ES) is a key performance indicator for the grid owner. In dealing with this
J. Nøland +3 more
semanticscholar +1 more source
Influence of PWM on the proximity loss in permanent magnet brushless AC machines [PDF]
, 2008 The winding copper loss can be significantly increased due to skin and proximity eddy current effects. The skin and proximity losses due to fundamental frequency current has been investigated in literature, but the influence of PWM on the skin and ...
Bremner, J. +5 more
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Influence of pole-pair combinations on the characteristics of the brushless doubly fed induction generator [PDF]
, 2020 The brushless doubly fed induction generator (BDFIG) is an alternative to the doubly fed induction generator (DFIG), widely used in wind turbines which avoids the need for brush gear and slip rings.
Abdi Jalebi, Salman +4 more
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Assessment of torque components in brushless permanent-magnet machines through numerical analysis of the electromagnetic field [PDF]
, 2005 For the calculation of torque in brushless (BL) alternating current motors a local method is proposed, based on the Maxwell stress theory and the filtered contributions due to the harmonics of the magnetic vector potential in the motor air gap.
Dellinger, S.J. +4 more
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Direct torque control of brushless DC drives with reduced torque ripple [PDF]
, 2005 The application of direct torque control (DTC) to brushless ac drives has been investigated extensively. This paper describes its application to brushless dc drives, and highlights the essential differences in its implementation, as regards torque ...
Howe, D., Liu, Y., Zhu, Z.Q.
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Application brushless machines with combine excitation for a hybrid car and an electric car [PDF]
Problems of the Regional Energetics, 2015 This article shows advantages of application the brushless machines with combined excitation (excitation from permanent magnets and excitation winding) for the hybrid car and the electric car.
Gandzha S.A., Kiessh I.E.
doaj
Comparison of Halbach magnetized brushless machines based on discrete magnet segments or a single ring magnet [PDF]
, 2002 This paper compares the air-gap field distribution, cogging torque, back-electromotive-force waveform, and efficiency of brushless machines having a Halbach magnetization produced by either discrete magnet segments or a single ring magnet.
Howe, D., Xia, Z.P., Zhu, Z.Q.
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Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines [PDF]
, 2002 A general analytical technique predicts the magnetic field distribution in brushless permanent magnet machines equipped with surface-mounted magnets. It accounts for the effects of both the magnets and the stator windings.
Chan, C.C., Howe, D., Zhu, Z.Q.
core +2 more sources