With the development, technological advances, the world to save energy, protect the environment increasingly high degree of attention and building a conservation-oriented society to achieve sustainable development has become an international consensus. Motor as the main energy-consuming equipment, its electricity consumption accounts for more than half the countries in the world. Efficient motor type widely used in our main universal standard for motor, its energy efficiency level lower than the average of developed countries use 3 to 5 percentage points. If General Motors used to replace all the high-efficiency motors, power saving is expected to 60 billion kilowatts per year, close to the Three Gorges power plant generating capacity throughout the year, while freeing 25 million tons of standard coal in energy space ye3 energy efficient motors, reduce carbon dioxide emissions 5000 million tons of electrical energy can be described as a huge potential. Therefore, the promotion of efficient motors to promote energy conservation and emission reduction effect of great significance. What is the difference of energy efficient motors and variable frequency energy-saving motors? Which is more effective? 1, energy efficient motors is to improve the operational efficiency of the motor through the manufacturing process itself, or that is to improve the energy conversion ratio. 2, the frequency energy is through adjusting the motor speed to conserve electricity, energy conversion ratio has not only failed to improve the two energy-saving motors, but reduced, because of the increased loss of the drive. 3, frequency control is mainly used for load variations of the occasion, the energy saving effect is very obvious, typical is the constant pressure water supply system. Simply, it is the energy saving principles needed to change the frequency of energy-saving motors, and then change the output power. Let's say, just 5kW of power, if not control, the motor may 10kW power output, wasted 5kW. 4, where the load stable, that is, without the governor's case, the use of the drive will reduce the overall efficiency, but a waste of electricity. 5, load changes big occasions, both of which can power, however, frequency control can save energy much larger proportion. Energy efficient motors, compared with the same power ordinary electrical energy motor business, improve energy efficiency generally only a few percentage points. 6, the drive motor, said inverter motor power, and General Motors are different, ordinary inverter direct drive motor, the motor damage. 7, two different energy conservation principle, the two can be used simultaneously, the two technologies are required to develop and promote energy-saving motors 1.5kw motor _ _ Anhui saving Dresdner Dresdner Xiang Xiang provided by Zhengzhou Electric Manufacturing Co., 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!