High-efficiency motor | High-efficiency energy-saving motor | Energy-saving motor

::.High efficiency motor< |< High efficiency energy saving motor< |< Energy saving motor
:.Xiangtan Motor Factory produces< For large-scale, high-voltage energy-saving designs, the energy efficiency label conforms to the international <3< energy efficiency standard. Completely based on domestic raw materials. Adopt low uncertainty test methods and use actual measurement results to calibrate efficiency. Compared with ordinary < < series motors: loss reduction < < < < efficiency improvement < .< < <. > and < B/3< and machinery industry standards < B/3< < B/3< < <, < B/3.<, etc. In terms of electrical performance, the efficiency value reduces losses based on the above standards < < Other electrical properties meet the requirements of the above standards. According to the < B/< < < and < 3-< "Protection Level of Rotating Electric Machine Shells" standards, there are four types of protection levels: < <, < .< and < < respectively. The cooling methods of the electric motor are respectively < <, < <, < <, < < according to < B/3< and < 3-< "Rotating Electric Machine Cooling Methods" standards. If the user needs other cooling methods, they can be supplied separately. The structure and installation type of the motor is < < (horizontal with feet), which complies with the regulations of < B/< and < 3-< "Motor Structure and Installation Type Code".
:.< Advantages and characteristics of high-efficiency high-voltage three-phase asynchronous motor< <, optimized electromagnetic design reduces stator copper consumption< <, adopts advanced insulation structure technology, effectively improves the utilization rate of punching, and increases reasonable groove selection The conductive cross-sectional area of the copper wire is <<, advanced equipment and processes are used to control the coil manufacturing, the gap at the end of the winding is reduced, and the impedance of the stator winding is reduced. < < Reduce rotor loss< <. The cast aluminum rotor motor uses high-purity aluminum ingots and adopts advanced aluminum casting technology to reduce and eliminate the occurrence of thin strips and shrinkage holes, greatly reducing the rotor resistance, thereby reducing the rotor aluminum loss< < , The copper bar rotor guide bar and the end ring are welded with medium-frequency silver copper welding rods to ensure reliable welding, reduce the contact resistance at the welding point, and keep the motor operating in optimal conditions. < <, reduce iron loss < <, the design software uses finite element analysis to reasonably distribute the magnetic load of the motor so that the motor runs in the optimal state. < < , using high-quality high-magnetic permeability and low-loss cold-rolled silicon steel sheets to reduce magnetic losses. < <, improve the accuracy of cold punching equipment, reduce stator and rotor punching burrs, use advanced lamination technology to effectively control lamination quality, and reduce eddy current losses. < < , Reduce mechanical losses < ..< , The rolling bearing adopts deep groove heavy-duty ball bearings, which can meet both radial load bearing capacity and axial force. Its good bearing lubrication structure reduces friction losses. < < , In the air path design, we analyzed the numerical values of the fluid field and temperature field and optimized the air path structure and fan design, so that the normal vector of the fan is at the best, and the wind blades of the same area have the best air volume and wind pressure. Excellent, thus reducing the mechanical consumption of the fan. < < , reduce stray losses < .< The stator wiring adopts an advanced wiring scheme to weaken the higher harmonics in the synthetic magnetic field and reduce the additional losses caused by the higher harmonics. < ..< The rotor surface is specially treated to further reduce stray losses. < < , Insulation system
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:.< Application scope of high-efficiency high-voltage three-phase asynchronous motor This series of motors adopts an insulation system with comprehensively improved performance, < -< voltage characteristics, < -< temperature characteristic. Bending strength, breakdown voltage test, thermal aging and electrical aging test all show that the insulation system of this series of motors reaches the first-class level. The insulation is made of high-quality mica tape, which is impregnated with environmentally friendly resin. Each step of coil production is completed on a CNC winding machine, expanding machine and tape wrapping machine, and is finally processed by < <. Therefore, the insulation performance is reliable, the mechanical strength is good, and the moisture-proof ability is strong. This series of motors can be used to drive various general machinery such as compressors, ventilators, water pumps, cutting machine tools, transportation machinery and other mechanical equipment in the mining and machinery industries. It is used as prime mover in various mining enterprises such as petrochemical industry and power plants. Motors used to drive large-inertia blowers, coal mills, lathes, steel machines, winches, crushers, belt conveyors and other machinery should provide relevant technical information and sign a technical agreement when ordering, as the basis for the special design of the motor. And select the special motor of the derived series to ensure the reliable operation of the motor.