Results 101 to 110 of about 18,623 (223)

The Fault-Tolerant Quad-Channel Brushless Direct Current Motor

Energies, 2019
In this study, a permanent magnet brushless direct current machine with multi-phase windings is proposed for critical drive systems. We have named the solution, which has four-stator winding, a quad-channel permanent magnet brushless direct current ...
Mariusz Korkosz, Piotr Bogusz, Jan Prokop   +2 more
doaj   +1 more source

Designing a Two-Phase BLDC Motor and Finite-Element Analysis of Stator Slots Structure Effects on the Motor Operation [PDF]

Journal of Intelligent Procedures in Electrical Technology, 2014
Designing a two-phase brushless direct current motor (BLDC) and analyzing effects of stator slots structure on the motor operation are main objectives of this paper.
Mehrdad Jafarboland, Abdolamir Nekoobin
doaj   +2 more sources

Quantifying the commutation error of a BLDC machine using sensorless load angle estimation [PDF]

, 2016
BLDC motors are often used for high speed applications, for example in pumps, ventilators and refrigerators. For commutation discrete position information is necessary.
De Viaene, Jasper, Derammelaere, Stijn, Haemers, Michiel, Stockman, Kurt, Verbelen, Florian   +4 more
core   +1 more source

The design and development of a self-commutating stepper motor [PDF]

, 1979
The system discussed adopts a well established and space proven motor, the 'stepper-motor' and shows that with simple commutation techniques it can be operated as a brushless dc motor at high ...
Dalley, K. R.
core   +1 more source

Maximum Torque per Ampere Operation of Brushless Doubly Fed Induction Machines

RE&PQJ
In this paper, an analytical method for increasing the steady state torque per ampere capability for BDFMs, using equivalent circuit is presented. In this approach, uni-current proposition proposed to define a unique current value for optimization, and find the current angel corresponding to maximum torque.
null M. Ahmadian, null B. Jandaghi, null H. Oraee   +2 more
openaire   +1 more source

Magnetostatic Modeling of Brushless Doubly Fed Reluctance Generator: Comparison and Validation

IEEE Access
The brushless doubly fed reluctance machine (BDFRM) is a type of electric machine with two independent stator windings and a passive reluctance rotor. In the literature, it is often proposed as a good alternative for wind turbine generators, especially ...
Pieter S. Oosthuizen, Ryno Gerber, Rong-Jie Wang, Maarten J. Kamper, Stefan Botha, Alford Sibanda   +5 more
doaj   +1 more source

Calculating the interior permanent-magnet motor [PDF]

, 2003
This paper describes the calculation of torque in a brushless permanent-magnet line-start AC motor by means of the flux-MMF diagram in combination with the finite-element method.
Cossar, C., McGilp, M.I., Miller, T.J.E., Popescu, M., Walker, J.A.   +4 more
core  

Experimental implementation controlled SPWM inverter based harmony search algorithm [PDF]

, 2017
An optimum PI controller using harmony search optimization algorithm (HS) is utilized in this research for the single-phase bipolar SPWM inverter. The aim of this algorithm is to avoid the conventional trial and error procedure which is usually applied ...
A. F. Yahaya, Jabbar, Daniyal, Hamdan, Mansor, Muhamad, Najeeb, Mushtaq, Razali, Ramdan   +4 more
core  

DESIGN OF SPEED CONTROL BRUHLESS DC MOTOR BASED POWER FACTOR CORRECTION (PFC) USING SINGLE ENDED PRIMARY INDUCTANCE CONVERTER (SEPIC)

Jurnal Teknik ITS, 2017
Brushless DC motors have been applied extensively in household and industrial scale because of the advantages such as high efficiency and mechanical losses are low because it does not use the brush like a DC motor.
Nanda Redha Arsya, Heri Suryoatmojo, Sjamsjul Anam   +2 more
doaj  

Fault Diagnosis Method for Position Sensors in Multi-Phase Brushless DC Motor Drive Systems Based on Position Signals and Fault Current Characteristics

World Electric Vehicle Journal
Multi-phase brushless DC motors (BLDCMs) have broad prospects in the power propulsion systems of electric vehicles, submarines, electric ships, etc., due to their advantages of high efficiency and high power density.
Jianwen Li, Wei Zhang, Shi Zhang, Wei Chen, Xinmin Li   +4 more
doaj   +1 more source