High performance permanent magnet servo motor system
Since 2005, China's AC servo motor market has entered a period of rapid development, with an annual growth rate of more than 25%. In 2011, the market capacity was more than 6 billion yuan, and it is expected to reach 15 billion yuan in 2015. However, the overall technical level of domestic servo motor systems is relatively backward. The Japanese, European and American servo products completely occupy the domestic high-end servo market, and domestic servo products can only compete in the low-end and mid-end fields. The top four domestic AC servo motor market share is occupied by foreign brands. In 2011, the foreign brand market share was nearly 80%, and the domestic brand market share was only nearly 20%, especially the high-power AC permanent magnet servo system, which was basically foreign products. monopoly. At present, the most applications of AC servo motor systems are machine tools, accounting for 25%, textile machinery accounting for 20%, packaging machinery accounting for 10%, and printing machinery accounting for 7%. National policy supports the development of medium and high-end CNC machine tools, high-end CNC machine tools. It has been listed as a major national science and technology development project; the technical research and industrialization of high-performance permanent magnet servo motor system for machine tools, driving the servo motor system to develop in the direction of high precision, high performance and fast response, to improve the equipment manufacturing in China. The overall level is important.
The objectives of the product development phase are as follows:
(1) Complete the research and product development of CNC machine tool feed servo system, the motor power range is 3 ~ 15kW, the performance level is equivalent to similar foreign products; complete the application demonstration of permanent magnet servo drive system on CNC machine tools.
(2) Complete the application research and typical specification product development of permanent magnet servo drive system on textile machinery, packaging machinery, printing machinery and other equipment.
(3) Formulate product standards for permanent magnet servo motors for some equipment.
Permanent magnet synchronous reluctance motor
The permanent magnet synchronous reluctance motor combines the characteristics of permanent magnet synchronous motor and switched reluctance motor, and has the advantages of high efficiency, high power factor, high power density and wide speed regulation range. At present, it is widely used in automobile drive motors. It is necessary to further expand the application of permanent magnet synchronous reluctance motors in the industrial field and develop a series of permanent magnet synchronous reluctance motors. The product development stage aims to develop a series of products without rare earth synchronous reluctance permanent magnet motor, the efficiency reaches IE3 (ultra-efficient) energy efficiency level, and the cost is equivalent to YE3 series three-phase asynchronous motor, which can replace the frequency conversion of fans, pumps and compressors. Speed three-phase asynchronous motor. The power range of the series is 0.55～315kW; the frame number is H80～H355; the pole number is 4 pole; the nominal speed is 3000r/min; the speed range is 100～5000r/min.
