There agency calculates that if all the motor efficiency increased by 5%, the annual electricity savings of up to 76.5 billion kwh, a figure close to the 2008 annual generating capacity of the Three Gorges. So the development of energy-saving motor industry is large and strong demand. Policy, the National Standardization Management Committee issued a mandatory standard in 2006, "Small and Medium-phase asynchronous motor energy efficiency and energy-saving evaluation of limited value," documents will prohibit the sale of three after July 1, 2011 the energy efficiency of the motor. June 2, 2010 motor, the Ministry of Finance, the National Development and Reform Commission jointly issued the "Notice on the issuance of energy-efficient products that benefit the project to promote the implementation details of the motor", will incorporate energy-efficient electrical products that benefit the project scope, fiscal subsidies promotion. Motor stator winding resistance losses: reduce motor stator windings of the stator resistance is the primary means to reduce losses, the practice of using more methods are: (1) increasing the cross-sectional area of ??the stator slots, in the same outer diameter of the stator, an increase in the stator slots will reduce the area of ??cross-sectional area of ??the magnetic circuit speed motor, increased tooth portion flux density; (2) the rate of increase in the stator slot full tank YE2 efficient motor, which is better for low-voltage motors small, winding and insulation applications best size, large wire increase over the rate of cross-sectional area of ??the stator slots; and (3) minimize the stator winding end of the minister, the stator end winding winding loss account the total loss of 1/4 to 1/2, to reduce frequency motor winding end of the Minister, can improve motor efficiency. Experiments show that the end of the 20% reduction minister, loss decreased by 10%. Inverter motor, electric motor, supplied by Zhengzhou Dresdner Dresdner Xiang Xiang Motor Manufacturing Limited. Zhengzhou Dresdner Cheung Motor Manufacturing Co. (www.deshengxiangmotor.com) (www.deshengxaingmotor.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!