ABB Original Finland China High Low Voltage AC Motor

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Brand Name:ABBModel Number:HXR 560 SeriesType:Squirrel Cage Motor
Frequency:62.2 HzOutput Power:750 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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Q:How to judge the quality of three-phase AC motor?
How do you measure the Ohm's profile in a multimeter to determine the good or bad of the motor?. First, check for open circuit, U1 to U2, V1 to V2, W1 to W2 two, check insulation U1 to V1.W1, U1, V1, W1 to ground.
Q:How to distinguish between DC motor and AC motor?
The difference between DC motor and AC motor is, of course, the different types of drive power, one is DC, one is communication.
Q:Rated speed of AC motor
Synchronous motor speed, =60* frequency / magnetic pole logarithm8 pole: 60*50/4=750 turn / min, asynchronous speed slightly down about 735 RPM / min.6 pole: 60*50/3=1000 turn / min, asynchronous speed slightly down about 980 RPM / min.4 Pole: 60*50/2=1500 turn / min, asynchronous speed slightly down about 1475 RPM / min.2 pole: 60*50/1=3000 turn / min, asynchronous speed slightly down about 2970 RPM / min.
Q:Why are DC motors more powerful than AC motors of the same power?
Because the motor armature circuit resistance and inductance are small, and the rotating body has certain mechanical inertia, so when the motor is switched on, starting the beginning of the armature speed and anti electromotive force of the corresponding small starting current, large. Up to 15~20 times the rated current. This current will disturb the power grid, the unit will be subjected to mechanical shocks, and the commutator will spark. Therefore, the direct closing start is only applicable to motors with power not greater than 4 kW (starting current is 6~8 times the rated current).
Q:Is the permanent magnet synchronous linear motor AC motor or direct current motor?
Brushless DC motor usually adopts the whole pitch concentrated winding to generate trapezoidal wave back electromotive force. The permanent magnet synchronous motor to generate sinusoidal EMF, need to use short distance or full pitch winding, or distribution of the fractional slot winding chute.
Q:Which motor has a great torque when the motor is under DC at the same power?
If the DC / AC motors operate under the rated 800W output power, there is no doubt that, as long as their speed is the same, the output torque is the same, which is a static consideration.
Q:AC servo motor why drive?
In addition, the servo controller does not have the ability of logic control, if need servo motor first slow turn, then turn fast, then to stop somewhere and then reverse, and so on, these signals are more responsible for the upper controller of the servo controller, such as PLC, such as motion controller.
Q:What is the difference between AC motor speed and DC motor speed?
Alternating current dynamoAC motor is rotating to produce a rotating magnetic field formed by the stator voltage in the rotor should be on the.The speed is generally fixed speed. But because of its simple structure and convenient power supply, it is widely used in industrial enterprises. Small to household refrigerators, washing machines, vacuum cleaners, large machine tools, and so on, all use AC motors.
Q:Causes of insulation breakdown in AC motor voltage withstand test
Not in accordance with the provisions of pressure, or pressure, the motor damp, without drying and so on.
Q:Isn't the starting winding symmetrical? If it's symmetrical, it's also an alternating pulsating magnetic field, how can you drive the rotor?
1. did not start winding, the rotor twist of the hand is because you can start to a rotating direction of the rotor, so that the main winding can rotate in a direction that, as long as you manually start after the rotor can not stop, because the main winding rotor will provide energy.2. the starting winding is symmetric, also accounted for 1/2 circle, starting winding due to capacitor phase shifting function and produce, in the electric cycle and the main winding is 90 degrees (like 90 degrees in advance), such changes in the magnetic field generated by the magnetic field have successively, have a fixed rotation direction, thereby according to a rotation direction of the rotor, the motor does not start winding and does not move because the main winding is 180 degrees and polar conversion, the rotor can be considered both left forces can be considered to be the right power, so the rotor is buzzing motionless.

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