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  Electric motor also known as motor, it is a kind of electrical equipment that converted electrical energy into mechanical energy, and then use the machinery to produce kinetic energy to drive other devices. Motor types are very various, but they can be broadly divided into AC motor and DC motor for the use on different occasions.

 the benefits of DC Motor is that it is easy to control speed terms, Only the control of voltage can control the total peed, but such motor can not be operared in high temperature, flammable and other vuinerable environments. And because it need brush as the motor components (brush motor) of current converter (Commutator), so it require regularly cleaning carbon brushes dirt generated by friction.

 According to Hong Kong "Oriental Daily" reported that, as the Mainland to further implement energy saving policies, Wheeling (00,382) expected energy-efficient appliances will be into the development trend in three to five years, energy-saving materials DC motor has a large place for development, it will be the drivers of future’s growth, overall sales growth expected to keep the first half of still in the second half year.

, General Manager of the Micro Motor Division of the company Xiang-Yang Zhou said: China air conditioner is now belong to inverter AC motor, I believe the next three to five years there will be explosive demand for DC motor, , and the company began to the development of early products in a few years ago, in order to expand the scale of the DC motor, the company is plan to set up a new plant, and the involved annual production capacity more than 1,000 million units.

Ningbo Koura Motor Co. Ltd is located in the beautiful East China Seaside city –Ningbo, the geographical is advantageous and the transportation is convenient.

     The company is Limited Liability Company specialized in producing and processing permanent magnet DC micro-motors and other products production. Company has complete and scientific quality management system. The major products include Rs-360/555 series servo motor and Rs-750/755 Series micro motor, Rs-775 series, 20575 series electrical motor. Widely used in electric tools, auto parts, massage, farming machinery, household appliances and other automated equipment. Our testing equipment all in read less, at the same time, we with many professional and technical personnel and improved management system.

Three-phase AC induction motor are widely used in weapons equipment , feeding systems, CNC machine tools, flexible manufacturing technology, a variety of automation equipment and other fields with its simple structure, small size, light weight, low price and easy maintenance characters, its speed control system performance will directly determine the performance of the play equipment. With the emergence of high-performance microprocessors and new power electronic devices, the application of full-controlled power electronic devices and the space vector (SVPWM) control technology has become the mainstream of Frequency AC Motor Speed ​​Control.

Compared to other microprocessors, three phase AC induction electrical motor digital speed control system has more quick computing speed. Because there are DSP system built in it.