At present in China the consumption of motor power accounted for about 60% of the national electricity consumption, and small and medium-sized motor control 75% of the national power of the motor, if the small and medium-sized motor efficiency increased by one percent on average, a year can be saving more than 20 kWh. Thus, the energy saving potential of the motor, improve the energy efficiency of small and medium-sized motor industry terminal equipment is an important aspect of energy saving. In addition, the improvement of motor efficiency brought by the power savings can also greatly reduce greenhouse gas emissions, so the motor energy conservation for the protection of the environment and natural resources will play an important role. Average held every three years the global motor system energy efficiency BBS choose the location of the conference for the first time in China, shows that China's motor product energy consumption problem has aroused the attention of the world. The fifth global motor system energy efficiency BBS (EEMODS)90000 tons of SO2. The improvement of motor efficiency not only can bring energy saving, can also enhance the product competitiveness of motor manufacturers, expand exports, promote the development of motor industry. Promote technology and equipment of scientific and technological progress, stimulating the growth of the national economy. Concerned expert told me, in such form, motor manufacturing enterprises in China have to learn more knowledge on improving the efficiency of energy utilization and its industry development direction. In our country, a large quantity of motor system is an area wide application industry. The fans, pumps, compressors and air conditioning refrigerating machine electricity consumption accounts for the power consumption of 10 respectively. 4%, 20. 9%, 9. 4% and 6%. Globally, the motor power consumption on average accounts for more than half of the world total power consumption, industrial electricity consumption accounted for about 70%. Therefore, to enhance the efficiency of motor system, significant importance to save power.
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