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High efficiency rare earth permanent magnet motor
Summary:
This series of products are designed in accordance with the national standard dimensions of Y2 series three-phase asynchronous motors, which can directly replace the existing three-phase asynchronous motors with the same power and speed in the market.
Based on the design theory of permanent magnet synchronous motor, CYD series rare earth permanent magnet synchronous motor adopts a number of strict design or technical measures to effectively prevent the demagnetization and irreversible loss of permanent magnet. The main difference between its structure and that of three-phase induction motor is that its rotor adopts permanent magnet excitation mode instead of squirrel-cage copper bar structure or winding winding structure of three-phase induction motor.
Technical parameters:
Frame size range: center height is H180 to 315
Power range :18.5KW-315KW
Rated voltage :380V;
Control mode: frequency conversion control;
Cooling method :IC411;
Protection grade :IP54, IP55;
Insulation class :F;
Installation mode :B3/B5/B35; In pieces
Working system :S1;
Energy efficiency grade :1;
Outgoing mode: Standard right outgoing mode
(can be adjusted according to the actual working conditions);
Technical advantages:
1. High efficiency: the average power saving is more than 10%, the asynchronous Y2 motor efficiency curve, generally at 60% rated load drop faster, light load efficiency is very low; The PMSM efficiency curve is high and flat, and it is in the high efficiency zone at 20% ~ 120% rated load. The power saving rate of permanent magnet synchronous motor is 10 ~ 40% according to the field measurement of different working conditions by many manufacturers.
2. High power factor: high power factor, close to 1,: permanent magnet synchronous motor without exciting current, so the power factor is almost 1, power factor curve and efficiency curve high and flat, high power factor, stator current is small, and then reduce the stator copper consumption, improve efficiency. The factory grid can reduce or even eliminate capacitor reactive power compensation. At the same time, the reactive power compensation of permanent magnet synchronous motor is real-time local compensation, which makes the power factor of the factory more stable, is very beneficial to the operation of other equipment, reduces the reactive power loss of cable transmission in the factory, and plays a comprehensive energy-saving effect.
3. Small motor current: After the permanent magnet motor is adopted, the motor current decreases significantly. According to the actual measurement, compared with the Y2 motor of the permanent magnet motor, the motor current decreases significantly. Permanent magnet motor does not need reactive excitation current, single machine current greatly reduced. Reduced losses in cable transmission, equal to the expansion of the capacity of the cable, transmission cable can be installed more electric motors.
4. No slip in operation, stable speed: permanent magnet motor is a synchronous motor, the speed of the motor is only related to the frequency of the motor, 2-stage motor, working under 50Hz power supply, the speed is strictly stable at 3000r/min, no loss of rotation, no slip, not affected by voltage fluctuations, load size.
5. Low temperature 15-20℃ : compared with Y2 motor, the resistance loss of permanent magnet motor is small, the total loss is greatly reduced, reducing the temperature rise of the motor, measured, under the same conditions, the working temperature of permanent magnet motor is 15 ~ 20℃ lower than that of Y2 motor.
RiQian(Tangshan) motor Co., Ltd. has developed into an annual output of 80,000 sets of energy-saving motor electronic control production base, and is a large scale in North China and Northeast China, the strength of technical equipment is strong modern motor maintenance enterprises.
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Tangshan Kaiping District modern equipment manufacturing industrial Zone electric porcelain Road 5
Tel：
+86 0315-2985559
Fax：
+86 0315-3375078
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