Modern power grids are no longer to AC UHV power grid development, but also because there UHVAC itself following several fatal flaws: ① large environmental costs. Due to the construction of UHV AC is then superimposed a 1000-volt power ye3 on existing 500 kV power grid, rose to the power grid by the end of the post, should be redistributed to the step-down of 500 kV 220 kV power grid, so it can not only replace the 500 kV substation capacity and the corresponding 500-kilovolt transmission line ye3 motor manufacturers, will also enable the voltage level of the power grid to six layers from the existing five-layer (ie, becomes 0.4 / 10/110/220/500/1000 kV), to become the world's largest power grid voltage level. And UHV AC noise, electromagnetic pollution on the environment than the ultrahigh strength, its transmission and distribution equipment is a monster, the area is also a greater need (with tower double UHV AC line tower height of about 80 meters, corridor width of about 70 meters a UHV AC substations covering 9-20 hectares). ② poor investment returns. UHVAC from technical point of view, long-distance transmission is better UHV DC, close to as good as the 500 kV transmission voltage ye3 energy efficient motors, and investment is great, is a "cost" of the program is low. China Southern Power Grid of UHV AC and DC schemes plus AC 500 kV UHV grid schemes are compared, the results of the former than the latter investment 600-1000 billion, height of about 1.3-1.5 times [5]. ③ two boost, not only increasing the energy loss, but also reduce the transmission capacity. UHV AC transmission, power generally required to be aggregated to 500 kV step-up substation, then boost to AC UHV power grid. In recent years, China's industrial robot sales in a rapid growth phase, in 2013 China has become the world's largest industrial robot market, the number of robots to purchase more than 36,000 units, more than Japan, the US and Germany. Robotics industry to grow, the need for industrial servo control and other fields have been integrated to achieve a breakthrough. At present, China and other areas in the industrial servo is still in the stage to be a breakthrough, a huge space for future development. Currently, foreign brands accounted for China's industrial servo motor market nearly 75% market share, brand marketing, mainly from Japan and Europe. Among them, the Japanese products to about 45% market share topped its famous brands including Panasonic, Mitsubishi Electric, Yaskawa, Sanyo, Fujitsu, and its products is characterized by technical and performance levels more in line with the needs of users in China, with a good price and high reliability and continuous access to a stable source of customers, especially in the small and medium sized OEM market monopoly advantage. Although the proportion of domestic servo system on the market is relatively low, but the development in recent years, domestic brands of servo system is also very fast, get a certain amount of market acceptance. Domestic industrial servo system on the technology and performance have a larger gap ye3 motor government subsidies and foreign brands, and product quality and stability can not be with foreign brands in the same breath, but the domestic manufacturers of servo systems for small and medium enterprises to provide a manufacturing process inexpensive servo products and service fast and efficient, good to meet the economic needs of enterprise users. However, after all, in a servo motor with a high-tech industry, so manufacturers must continue to strengthen R & D investment and R & D capabilities in order to continue to enhance the core competitiveness. By then, the organizers will invite a number of embedded and industrial products from domestic and foreign manufacturers to bring wonderful speech solutions and products for the inverter, industrial servo motors, industrial instrumentation, industrial power supply, robot control technology and other topics. ye3 efficient motors | ye3 | Allianz Dresdner Xiang Xiang is provided by Motor Manufacturing Co., Ltd., Zhengzhou. Zhengzhou Dresdner Cheung Motor Manufacturing Co. (www.deshengxiangmotor.com) strong, credible, in Zhengzhou, Henan Province of asynchronous motor industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Dresdner innovative ideas will lead you hand into the brilliant harmony for a better future!