Results 171 to 180 of about 18,520 (212)

Optimizing brushless direct current motor design: An application of the multi-objective generalized normal distribution optimization. [PDF]

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Pandya SB, Jangir P, Mahdal M, Kalita K, Chohan JS, Abualigah L.   +5 more
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Permanent-magnet motors for brushless operation

IEEE Transactions on Industry Applications, 1990
The design considerations for permanent-magnet motors intended for brushless operation are discussed. Two rotor configurations are described: the imbricated rotor and the segmented rotor. The segmented rotor is designed specially for high-speed operation.
Low, Teck-Seng, Jabbar, Mohammed A., Rahman, M.Azizur   +2 more
openaire   +1 more source

Electromagnetic vibration of interior permanent magnet brushless motors under brushless DC and AC operation

2009 International Conference on Electrical Machines and Systems, 2009
In this paper, electromagnetic vibration of interior permanent magnet (IPM) brushless motors under BLDC and BLAC operation mode is investigated. The electromagnetic field is calculated by 2D finite element analysis (FEA). The radial and tangential force distribution on the stator is also derived, and input to the structure transient finite element ...
Haodong Yang, Zeyin Han, Yangsheng Chen
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Operating limits and practical operation of a brushless doubly-fed reluctance machine

2017 IEEE Energy Conversion Congress and Exposition (ECCE), 2017
In this paper a prototype brushless doubly-fed reluctance machine is investigated which is aimed a meeting commercial machine performance figures. The machine has 4 and 8 pole 3-phase stator windings and a 6 pole radially-laminated ducted rotor. The machine is investigated using finite element analysis (FEA), static torque tests with DC current ...
William K. Song, David G. Dorrell, Andrew M. Knight, Robert E. Betz, David Gay   +4 more
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Operating charts for the Brushless Doubly-Fed Machine (BDFM)

2009 IEEE International Electric Machines and Drives Conference, 2009
The Brushless Doubly-Fed Machine (BDFM) is an electrical machine that allows brushless operation in many applications where the Doubly-Fed Induction Generator (DFIG) is currently used. In recent years work on BDFM control means that the machine can now be run stably across its working range. However, little work has been done to define the working area
Thomas Logan, Richard McMahon
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Starting mode of three-stage brushless generator operation

2018 17th International Ural Conference on AC Electric Drives (ACED), 2018
Recent years the design of electrical equipment in aircraft in the part of electrical systems inclines to combining the functions of a starter system for generating electrical energy in one unit which was named the starter-generator. This solution allows improving mass and dimensions parameters and increasing reliability.
Maksim A. Zharkov, Sergey A. Kharitonov, Anatoliy V. Sapsalev, Andrey S. Kharitonov   +3 more
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Stable Operation of the Brushless Doubly-Fed Machine (BDFM)

2007 7th International Conference on Power Electronics and Drive Systems, 2007
A simple method of controlling the Brushless Doubly-Fed Machine (BDFM) is presented. The controller comprises two Proportional-Integral (PI) modules and requires only the rotor speed feedback. The machine model and the control system are developed in MATLAB. Both simulation and experimental results are presented.
Shiyi Shao, Ehsan Abdi, Richard McMahon
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Synchronous operation control of the Brushless Doubly-Fed Machine

2010 IEEE International Symposium on Industrial Electronics, 2010
The paper presents a novel vector control structure for the Brushless Doubly-Fed Machine (BDFM) which is derived based on the machine synchronous operation. In fact, the synchronous operation of the BDFM provides an efficient approach for determining the required reference angle in the machine vector control structure. The utilization of such reference
Farhad Barati, Shiyi Shao, Ehsan Abdi, Hashem Oraee, Richard McMahon   +4 more
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Operation of brushless doubly-fed machine for drive applications

4th IET International Conference on Power Electronics, Machines and Drives (PEMD 2008), 2008
This paper presents dynamic and steady-state performance of the Brushless Doubly-Fed Machine (BDFM) operating as a variable speed drive. A simple closed-loop control system is used which only requires a speed feedback. The controller is capable of stabilising the machine when changes in speed and torque are applied.
null Shiyi Shao, E. Abdi, R. McMahon
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A novel brushless synchro: Operation principle and experimental results

2013 21st Iranian Conference on Electrical Engineering (ICEE), 2013
In synchroes and resolvers, brushes and slip-rings produce a lot of noise in the output signal. Compared to encoders, the application of such position sensors in precision control systems are restricted because of their lower accuracy. In this research, a novel scheme of a brushless synchro is introduced.
Davood Pazouki, Mahdi Ghafarzadeh, Rezvan Abedini, Aliakbar Damaki Aliabad, E. Ali Kamali   +4 more
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