ABB High Voltage Induction AC Motor

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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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Q:What's the difference between a DC motor and an AC motor?
Alternating current motors are divided into stator windings and rotor conductors. The rotor conductor is shaped like a silicon steel sheet between a cage and a conductor. Some of the AC motors also have windings
Q:Can the voltage regulating module be used as AC motor speed regulation?
Want to control motor speed, only changing voltage frequency on the stator can (with more of a V/F control, change the frequency corresponding to the change of voltage amplitude), change the voltage regulator will not only change the frequency, voltage, it will only change the motor torque (the size of the voltage will not change, otherwise it will cause the stator coil current is too large; for example, if you burn the motor) with voltage regulator voltage applied to the motor will change the speed two times, will have little change but far less than the two times. When using the voltage regulator experiment, do pay attention to the rated voltage of the motor, otherwise it may cause permanent damage to the motor!
Q:What is the size of DC motor and AC motor under the same power?
The output power is the same, and the DC motor is small.. The power consumption is the same as that of AC motor.
Q:What are the speed regulating methods of AC motors? What are the characteristics of each?
One, change pole logarithmic speed regulation method: change the stator winding of the red way to change cage motor stator pole count, to speed.Two, frequency conversion speed control method: use frequency converter to change the motor stator power frequency, thus change its synchronous speed regulation method.Three, cascade speed regulation method: cascade speed regulation refers to winding motor rotor circuit series into adjustable additional potential to change the motor differential, to achieve the purpose of speed regulation. Most of the differential power is absorbed by an additional potential added into the series, and then additional equipment is added to return the absorbed differential power back to the grid or to convert energy to use. According to the method of differential power absorption and utilization, cascade speed regulation can be divided into motor cascade speed regulation, mechanical cascade speed regulation and thyristor cascade speed regulation, and thyristor cascade speed regulation is adopted.
Q:What is the difference between AC motor speed and DC motor speed?
Because the exchange is easier to obtain, easier to transport, so at present we use most of the electric machinery is AC motor driven, AC motor applications more widely.
Q:How to distinguish AC and DC machines
This also increases the manufacturing cost of DC motors to a certain extent. The alternator is concerned, it can realize direct energy feedback to the grid (but must ensure 4 conditions: the same voltage amplitude, phase and phase sequence of the same, the same frequency); but DC generator power needs to convert AC inverter (DC rectification process called, the direct current into alternating current the process that the inverter can be feedback to the power grid). So it also needs to increase the power of the inverter.
Q:The direction of alternating current keeps changing. How about the direction of AC motor?
Three-phase motor to change the phase sequence (any two-phase electrical connection ~ ~ ~ ~ swap position)One way motor changes the direction of main winding or secondary winding in the direction of fire
Q:Is household sewing machine good for AC motor or direct current motor?
There are special motors, and the DC motor market is rare
Q:How do ordinary AC motors brake?
Reverse brakingWhen the motor cuts off the normal power supply, the power phase sequence of the motor stator winding is changed so that a reverse braking torque is generated.
Q:Why is DC motor wider than AC motor? High speed regulation accuracy? How do you know?
And AC motor plus inverter (AC motor itself can not speed), if the stepless speed regulation, its torque is changed with the speed of the motor changes, generally when less than 30HZ when the operation is unstable. So, DC is wider than AC speed regulation.

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