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Brushless DC Motor Primer...

Muhammad Mubeen mmubeen149@aol.com Last Revision July, 2008...

Foreword This primer on brushless DC motors has been written for the benefit of senior management executives of OEM companies in whose products, the electric motor is a major cost and feature component. The focus of this primer is permanent magnet brushless DC motors (BLDC), sometimes referred to as ECM (Electronically Commutated Motors). The material has been written from the stand point of top management. It has technical depth but is really meant to be used as a tool for senior management to get a quick and broad overview of the technology and the underlying pros and cons. It is my intent that the material presented will quickly make the reader well versed with the technology and give him or her a deep understanding of major impact of BLDC technology on their own competitiveness. Most important of all, the material is designed to point out ways in which the technology can be harnessed to advantage. Conversely, the material also points out the perils of ignoring these profound changes in the motor technology landscape....

Muhammad Mubeen Radford, VA July, 2008...

Overview of the Electric Motor Business in North America...

According to some estimates, the overall consumption of electric motors of all types in North America will be $18 Billion by 2007 up from $14 Billion in 2002 with an annual growth rate of 5%. The breakdown of this overall picture of consumption by motor technology looks as follows for 2007 1 ....

2007 Electric Motor Consumption in North America Total $18B...

All Other, $1.4, 8% BLDC, $4.1, 23%...

AC Induction, $5.0, 28%...

Brush DC, $7.4, 41%...

The consumption of electric motors is heavily influenced by the automotive industry and consumer applications. A majority of electric motors used are brush type DC motor, followed by AC induction motors and brushless DC (BLDC) motors. All other category of motors include, AC/DC motors called "Universal" motors used in appliances and stepper motors, used in low end position control applications. With this broad picture presented above, it is now relevant to look at the details, differences and applications of the various motor technologies....

Source MTT NA Market Model. www.motioninfo.com...

Motor Technology General Principle of All Electric Motors All electric motors have a common principle in that they function as converters of electrical energy to magnetism to mechanical rotating motion. The underlying w...

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PDF Motor Roller Primer written for Senior Management Executives by Muhammad Mubeen resources literature motorized roller primer

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