The Kerala Electrical & Allied Engineering Co. Ltd., popularly known as KEL was established in 1964 in the State of Kerala, India and is fully owned by the State Government. As a company engaged in multifarious activities, it has gradually broadened its manufacturing base strategically to reach a wider domestic and overseas market. The company has four manufacturing units located in various districts of the State. They are Kundara Unit in Kollam district, Mamala Unit in Ernakulam district, Olavakkod Unit in Palakkad district and Kasargod Unit i ....etc

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Abstract:
The Brush less DC electric motor are synchronous electric motors powered by direct-current (DC) electricity and having electronic commutation systems, rather than mechanical commutators and brushes. The current-to-torque and voltage-to-speed relationships of BLDC motors are linear.Brushless DC electric motor (BLDC) described as Stepper motors, with fixed permanent magnets and possibly more poles on the stator than the rotor, or Reluctance motors. BLDC is most popular motor choice for model aircraft. because Brush less DC electric mo ....etc

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i want more information about brushless servomotor ....etc

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SEMINAR ON BRUSHLESS EXCITATION



INTRODUCTION

A new brushless excitation system is
described for a electrical motor having a
series resonant self commuted thyristor
inverter circuit.
Field excitation is provided by a
standard brushless excitationsystem
which consists of a rotating armature,
diode bridge and stationary field. The
brushless excitation system eliminates periodic brush and
collector ring maintenance and replacement.

NEEDS OF EXCITATION

Accordin ....etc

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A Brushless Servomotor has been developed by using interdisciplinary mechatronics engineering. A mechanical switching device (commutator) is replaced by electronic circuits and controllers resulting in maintenance free and high performance servo drive. The brushless servomotor is an ac motor, in all respects and is in fact called the ac servomotor. Combined with a dedicated control device, the performance of the brushless servomotor is found to be equal to the performance of the high performance dc servo motor. In dc motor when the current fl ....etc

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hi frns

karthikeyan here. did any one doing proj on mathematical modelling of BLDC....

help me tre, i am stuck with it.... please........ ....etc

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plaese send me full detailed report seminar on power quality and brushless alternator.................urgently.......... ....etc

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please forward me more information about BRUSH LESS ALTERNATOR ....etc

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Author: Dr. Stephen Williams

Abstract

Here, the students learn how brushless DC motors have made personal electric vehicles (PEVs) possible, and calculate how much using a PEV instead of an automobile for some of their daily driving can impact their production of carbon dioxide, based on United States driving patterns. In the laboratory, students build a brushless DC motor using three different control methods, based on a reed switch, a Hall effect sensor, and optoelectronics, respectively. In the process, students learn about ....etc

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Introduction :
Several different technologies are used in the generator portion of wind turbines (wind generators). One of the older, more reliable technologies is the brushless DC alternator. Basic Theory of Brushless Alternator is nothing but When an electric current is passed through a coil of wire, a magnetic field is produced (an electromagnet). Conversely, when a magnetic field is moved through a coil of wire, a voltage is induced in the wire. The induced voltage becomes a current when the electrons have some place to go such as into a ....etc

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