ABB AC DC HIgh Efficiency Motor NV Series

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Brand Name:ABBModel Number:HXR 400 SeriesType:Squirre Cage Motor
Frequency:50.2 HzOutput Power:350 KWProtect Feature:Explosion-proof
Phase:Three-phaseCertification:CEAC Voltage:690V
Place of Origin:Shanghai China (Mainland)Efficiency:IE 1Packaging Detail::EXPORT STANDAR WOODEN CASE
StructureAsynchronous MotorFunctionDriving UsageUniversal

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Specialized in Manufacturing and Supplying a wide range of Electric Motors since year 2002.

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Q:How to choose the AC motor?
The motor is nothing more than the source of mechanical power and speed. The speed and power required for the operation of the equipment can be calculated and the model can be selected.
Q:How to change DC motor to AC motor?
Check torque is not less than the original DC motor, AC motor torque (N = m) = motor rated power (W) / (2 * pi * speed /60). Motor power and frequency converter are selected accordingly
Q:Common problems of AC motors
Prevention: (1) eliminating the pulsating flux and power harmonics (such as in the inverter output side with AC reactor); (2) motor design, the bearing seat and a base bearing insulation insulation cover, the outer ring of the rolling bearing and the end. 2, why can't the General Motors be used in the plateau area? The altitude has adverse effects on motor temperature rise, motor corona (high voltage motor) and commutation of DC motor. We should pay attention to the following three aspects: (1) the high altitude, the motor temperature rise, the output power is small. But when the temperature drops with the elevation, it is enough to compensate the influence of elevation on the temperature riseWhen the rated output power of the motor can be changed; (2) high voltage motor to take anti corona measures in the plateau; (3) altitude against commutation, be sure to use carbon materials. 3, why should not the motor run light load? When the motor is in light load, it will cause (1) the motor power factor is low; (2) the motor efficiency is low. Will cause waste of equipment and uneconomical operation. (1) the load is too large; (2) lack of phase; (3) the air duct is blocked; (4) the low speed running time is too long; (5) the power supply harmonic is too big.
Q:Can any AC motor 220 and 380V control positive inversion? What are the conditions?
There are commonly used reverse switch control (Figure 1), switching control (Figure 2) and AC contactor controlSingle-phase series motor (portable electric tools) can be 2 lines of stator winding connected between the carbon brush can brush with control of the motor is reverse.Single-phase shaded pole motor with self shading coil can not change the position of the short circuit and embedded in the stator slots, the motor is not reversed.
Q:What are the classifications of AC motors?
According to the principle of AC motor can be divided into synchronous and asynchronous motor two categories, there are strict correspondence between the rotating speed and the AC synchronous motor frequency, speed in operation strictly constant; asynchronous motor speed with the change of the load change slightly.
Q:Does the DC motor work the same as the AC motor?
1KW DC motor with 1KW AC motor is not the same, 1000 Watt DC motor will be a lot of small volume, although the power is 1000 watts, DC motor torque is relatively large, speed control is relatively easy. The DC motor is more powerful against overload, but the price is more expensive.1KW DC motor can bring a large generator, 900 watt generator, the actual output power of power generation is at most 800 watts. If you want to get the power of different types, using a motor driven generator is one of the most stupid way to use the lowest efficiency, power supply module, the highest efficiency, fast response, easy to adjust the noise to a minimum, the price is the cheapest.
Q:Speed control method of AC motor
The characteristics of various speed regulating devices:(1) change pole speed regulation;Advantage:No additional slip loss, high efficiency;Control circuit is simple, easy maintenance, low price;The smooth speed regulation with higher efficiency can be obtained by matching with the stator voltage regulating or electromagnetic slip clutch.Shortcoming:Stepless speed regulation without stepless speed regulation. Due to the limitation of the motor structure and manufacturing process, only 2~3 kinds of pole to rail speed regulation are usually achieved, and the speed range is quite limited.
Q:An upper Holzer sensor for AC motors?
There is no protection inside the motor of the whole country.
Q:Main structure of AC motor
Rotor: rotating shaft: Acting output torque. Rotor iron core: the silicon steel sheet which is insulated from each other is pressed on the rotor shaft, and there is a groove on the outer circle of the silicon steel sheet. For embedded rotor winding. Guide slot. Rotor winding: there are two kinds: one is squirrel cage, the other is winding type.
Q:How is the rated current of three-phase AC motor calculated?
I=S/1.73UX0.8 is: apparent power divided by the square root of 3, 1.73, and then divided by the voltage X power factor 0.8

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