Hybrid-excited generators have a wide voltage regulation capability or a wide range of variable-speed constant-voltage output capability, providing a significant advantage in the new energy power generation field.
Yonghong Xia +5 more
doaj +2 more sources
Novel permanent magnet brushless machines having segmented Halbach array [PDF]
Permanent magnet brushless machines having Halbach array exhibit a number of attractive features. Therefore, they have been increasingly applied to different market sectors, including aerospace, industrial, domestic, renewable, and healthcare, etc.
Shen, Yang
core +6 more sources
The electromagnetic performance of brushless permanent magnet DC motors - with particular reference to noise and vibration. [PDF]
A comprehensive analytical technique is developed for predicting the instantaneous magnetic field distribution in radial-field, surface-mounted permanent magnet brushless DC motors under any load condition and commutation strategy.
Zhu, Zi-Qiang
core +6 more sources
CARRIER SIGNAL INJECTION BASED SENSORLESS CONTROL OF PERMANENT MAGNET BRUSHLESS AC MACHINES [PDF]
This thesis is focused on the carrier signal injection based sensorless control of Permanent Magnet (PM) Brushless AC (BLAC) machines. Based on the machine saliency property, carrier signal injection based sensorless techniques have been well developed ...
Gong, Liming
core +6 more sources
Computation of the voltage-driven flux-MMF diagram for saturated PM brushless motors [PDF]
The flux-MMF diagram or "energy conversion loop" is a powerful tool for computing the average torque of saturated permanent-magnet brushless motors, especially when the assumptions underlying classical dq theory are violated, as they often are in modern ...
McGilp, M.I. +3 more
core +8 more sources
Application brushless machines with combine excitation for a hybrid car and an electric car [PDF]
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
A new de‐excitation system for advanced brushless excitation based on a synchronous generator is presented. The proposed system uses a discharge resistor in series with a freewheeling diode of a buck chopper.
Gildas Martial Ngaleu +4 more
doaj +1 more source
Analytical and numerical computation of air-gap magnetic fields in brushless motors with surface permanent magnets [PDF]
This paper extends the theory of the air-gap magnetic field in permanent-magnet (PM) brushless motors. Scalar and vector potential solutions to the field equations are brought together to unify many of the important practical methods already in use.
McGilp, M.I. +4 more
core +1 more source
Design issues of an IPM motor for EPS [PDF]
In electric power steering (EPS), permanent magnet (PM) brushless ac (BLAC) motors offer distinct advantages over other electric motor types in terms torque smoothness, reliability and efficiency.
Shen, Jian-Xin +4 more
core +1 more source
Novel Double Mode Dual-Stator Wound Rotor Synchronous Machine for Variable Speed Applications
This paper offers a novel dual-mode double stator wound rotor synchronous machine for variable speed applications. The proposed motor integrates the benefits of both the traditional wound rotor synchronous machine (WRSM) and brushless wound rotor ...
Asif Hussain +5 more
doaj +1 more source

