Motors are widely used in production and people's life.According to statistics, in 2010, the annual electricity consumption of electric motors in China was about 2 trillion kilowatt-hours, accounting for 60% of the country's total electricity consumption and 80% of industrial electricity consumption.However, the market share of high-efficiency energy-saving motors is less than 3%, and the overall operating efficiency of motor systems is about 20% lower than that of developed countries.General motors are widely applied in also spent a lot of resources at the same time, according to estimates, if use in ordinary motor replacement for high efficiency and energy saving, can make the system overall efficiency increased by 3% - 5%, can save at least 60 billion kilowatt-hours a year, close to the annual capacity of the three gorges power station, can form the annual energy saving capacity of 25 million tons of standard coal, reduce carbon dioxide emissions more than 5000, ten thousand tons, according to 0.6 yuan/KWH estimate, the power savings RMB 36 billion per year.
In the whole life cycle of the motor, the cost of initial purchase, installation and maintenance only accounts for about 2.70% of the total cost, while the electricity cost of operation accounts for about 97.30%.Choose efficient motor so as to save electricity, in the long run more in line with the interests of motor users.From the aspects of saving power resources, improving economic benefit of enterprises and protecting environment, the application prospect of high efficiency motor is very broad.
During the Copenhagen conference, China pledged to reduce energy consumption per unit of GDP and carbon dioxide emissions by 40-45 percent from 2005 levels by 2020.During the 12th five-year plan period, energy consumption per unit of GDP and carbon dioxide emissions per unit of GDP will be reduced by 16 percent and 17 percent, respectively.To improve the efficiency of energy utilization, effective measures must be adopted simultaneously in the three links of energy production, energy transmission and energy consumption.Power consumption accounts for more than 50% of the total energy consumption, and the electricity consumption of WEG motor accounts for more than 50% of the total social electricity consumption. Therefore, improving the energy efficiency of motor will be an essential and important link in China's energy conservation and emission reduction policies.
