2014年7月24日星期四

Permanent magnet brushless motor is a little electrical engineer




As is known to all, the motor in our life are everywhere: from home appliances to the industry; Used cars to aviation, motor can be said to be the household appliance, apparatus, the core perkins diesel generator component of traffic construction machinery and industrial equipment. For a long time, high energy consumption, low efficiency, material consumption big asynchronous motor and excitation generator of traditional motor has been the main force that ACTS as a way of energy conversion. (see electrical engineer) pointed out that the permanent magnet brushless dc motor (BLDC) motors and permanent magnet brushless generator is in recent years, with the rapid development of electronic technology and a new type of motor. Brushless motor with a set of electronic commutation device to replace the mechanical brush motor reversing device, retained the has a broad and smooth brush ac motor electric 65kw dc motor performance of speed adjustment, at the same time there to overcome the mechanical commutator brush dc motor with a series of shortcomings, so is widely used in various fields, such as: computer floppy disk drive, the robot of artificial intelligence, CD machine, air conditioner, electric vehicles and aviation, spaceflight, shipping, etc. Except brushless motor brushless dc motor have advantages, also has the characteristic such as high energy density, high efficiency. At the same time, modern power electronic technology, the development of permanent magnetic materials and amorphous materials and provides convenient conditions for the development of brushless motor, drive the permanent magnet brushless motor in high performance, low power consumption, high power density, thus has a strong vitality and development prospects. Traditional industry cost pressure, the cost is not high www.facebook.com/guohong.trading but better performance of motor for technology promotion, increasing product competitiveness. For high-end permanent magnet brushless motor in the traditional industry overall upgrade carve out an innovative way.

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