An electric motor can be an electric machine that converts electrical energy into mechanical energy. Many electrical motors operate through the conversation between the motor’s magnetic field and electric current in a wire winding to generate force in the form of rotation of a shaft. Electric motors could be powered by immediate current (DC) sources, such as from batteries, motor vehicles or rectifiers, or by alternating electric current (AC) sources, like a power grid, inverters or electrical generators. An electric generator is mechanically similar to an electric motor, but operates in the reverse direction, transforming mechanical energy into electrical energy.
Electric motors could be classified by considerations such as power source type, internal construction, application and type of motion output. Furthermore to AC versus DC types, motors could be brushed or brushless, could be of various phase (see single-stage, two-stage, or three-phase), and may be either air-cooled or liquid-cooled. General-purpose motors with standard dimensions and characteristics provide practical mechanical power for industrial use. The largest electric powered motors are utilized for ship propulsion, pipeline compression and pumped-storage applications with rankings reaching 100 megawatts. Electric motors are found in industrial supporters, blowers and pumps, machine tools, household appliances, power tools and disk drives. Small motors may be within electric watches.
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special motor for speed-reducing YE2
The three-phase asynchronous electric motor of the YE2 series is good third efficiency standard in the provisions of GB 18813-2012 “the energy efficiency limit and the energy efficiency rating of small and medium-sized three-phase asynchronous motors’. And the improvement of the effectiveness in its design is in line with the state’s requirements on the energy conservation and intake reducing of the production sector.
YE2 series motors with the mounting dimension in accordance with standard IEC60034, It has good features like optimum structure, attractive appearance, low noise, high efficiency, high protection class as well as high insulation course. YE2 series motors can be widely used in various kinds of general make use of machineries like fans, pumps, machine tools, compressors, transportation and so on, and can also be used in the hazardous areas with oil and chemical, steel vegetation, mining industry.
◇ Site conditions
YE2 series motors air suitable for virtually all applications and operate satisfactorily at temperatures from -20℃ to +40℃ and altitudes up to 1000 meters above sea level
◇ Temperature and Insulation
The Maters’ insulation system were created by Class F(155℃), operated with Class B(80K). Which incerase the motor useful life and reliability.
◇ Cooling and ventilation
The standard cooling method is totally Enclosed Fan Cooled (TEFC) it accordance with IC411 of IEC60034-6. Standard motors include radialflow plastic fans