ABB Original DC HIgh Efficiency Motor QABP 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:The difference between DC motor and AC motor
Master formulas n1=60f/P, S= (N1-N), /n1, n= (1-S), 60f/P, and understand their meaning (very important), and be able to flexibly use these formulas for calculations. Also remember: the slip rate of the motor at normal load is approximately SN, 0.01-0.06. The examples in the book should be emphasized.
Q:Panasonic servo motor A4 series, AC synchronous motor or AC asynchronous motor?
AC synchronous motor.Servo motor now basically divided into two kinds: brushless DC and AC servo, this type of motor drive waveform is brushless DC motor, is trapezoidal wave, brushless DC motor can also be called permanent magnet brushless synchronous motor.Servo motor (servo motor) refers to the servo system to control the operation of mechanical components of the engine, is a kind of auxiliary motor indirect transmission device.
Q:What is brushless motor, no and brush what is the difference?
The carbon brush is used as the two contact of the motor power supply, and is controlled by a speed change switch and a controller, and the stepless speed regulation of the electric bicycle 0-20 kilometers per hour is achieved by the two reduction of the gear and the overrunning clutch. The currently used brush high speed motor motor reduction gear high gold content, strong intensity, good abrasion resistance, reasonable design, so the repair rate is low; and the maintenance and replacement of gear and motor cost less, reduce the maintenance cost of electric bicycle; and brush electric machine can be achieved easily by overrunning clutch and flywheel human riding. Brush motor is to use brush mechanical reversing!
Q:Comparison of AC motor and direct current motor
Advantages of AC motor1. AC motors are cheaper to manufacture.The development of 2. vector frequency conversion technology can be simulated by frequency conversion motor into direct current3. with respect to the DC motor has enough advantages in simple structure, easy maintenance, low requirement to the environment and energy saving and improve productivity and so on, the AC speed control has been widely used in industrial and agricultural production, transportation, national defense and daily life.
Q:For AC motors, when the voltage is constant, the frequency of the voltage becomes higher or lower, so what is the impact on the motor?.
Induction motor, power frequency rise will make the speed increases, the rise of the motor inductance frequency increase, the current will be reduced, reducing the temperature rise of the motor current will decline.When the power supply frequency decreased, motor speed will decline, the current decline due to the increased motor inductance, the temperature should be increased.
Q:Motor PWM how to speed?
PWM speed control principle of AC motor and DC motor speed control principle is different, it is not through frequency modulation to adjust the motor speed, but by adjusting the driving voltage of the pulse width, and the circuit of some energy storage elements, change the delivery to the amplitude of the armature voltage, so as to achieve the purpose of changing the speed of DC motor. Its modulation mode is amplitude modulation.
Q:What's the function of carbon brushes for AC motors?
AC motor brush: brush effect can be used for DC motor or AC motor commutator or slip ring, as sliding contact body import and export current, its thermal conductivity, and good lubrication performance, and has certain mechanical strength and direction of the spark of instinct. Almost all motors use carbon brush, which is an important component of the motor
Q:What is the size of DC motor and AC motor under the same power?
In general, the DC motor is large in size, but it depends on whether the supply voltage of the two motor is the same.
Q:How do ordinary AC motors brake?
Mechanical brakingBraking method using mechanical device to stop motor rapidly after stopping power supply. Such as electromagnetic brake, brake.
Q:Motor starting mode
Direct startThe advantages of direct start is required to start simple, less equipment, low cost. Current motor direct start is about 5 times the normal operation of the motor, often start, power supply line or transformer capacity should be greater than the motor capacity of more than 5 times; the motor is not frequent starting, power supply line or transformer capacity to the motor motor capacity should be more than 3 times. The requirements for small capacity motor is easy to be realized, so the vast majority of small capacity motor is started directly, without the need for a large amount of motor step-down start. It is a power supply line and transformer capacity is difficult to meet the motor direct start on the other hand, the strong impact of the grid and the motor starting current, affect the service life of the motor, the stable operation of the power grid so adverse, large capacity Motors and motors that do not start directly should be started by lowering voltage

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