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 does permanent magnet brushless motor and brushless DC motor mean?
Speed control system composed of permanent magnet synchronous motor used to be called the sinusoidal permanent magnet synchronous motor (PMSM) speed control system; and the trapezoidal wave (Fang Bo) speed control system composed of permanent magnet synchronous motor, the principle and control methods of DC motor and similar, so this system for brushless DC motor (BLDCM) synchronous motor speed control system, Fang Bo is also known as the brushless DC motor (or square wave motor).
Q:When the AC motor is burnt out, is the stator burnt out or the rotor? What about DC motors?
Normally, the AC motor burns out is the stator coil, and the DC motor burns out is the rotor coil. Because the stator coil of the AC motor is armature, the rotor of the direct current motor is armature. The fluctuation of the load and the fluctuation of the supply voltage directly affect the armature coil. Of course, there are exceptions to the special case of motors.
Q:Is permanent magnet synchronous motor AC servo motor?
First of all, the classification of motor: servo motor is divided into AC servo and DC servo, in which AC servo and synchronous and asynchronous points. Permanent magnet synchronous motor (PMSM) is a kind of synchronous AC servo motor.
Q:In the main circuit of AC motor, fuse can be used as short circuit protection, can it play the role of overload protection at the same time, why?
The fuse can not play the role of overload protection.
Q:How to synchronize two ordinary AC motors?
Frequency converter is one of the motors, one to two motors synchronous operation, can use frequency converter input control terminal function, to achieve the two frequency converter frequency settings. That is, using the command and deceleration commands at the end of the increase, the use of buttons on and off signals to increase or decrease the set frequency. In order to connect the inverter, when the growth rate of the button is closed, the command signal growth end, increase the output frequency of the inverter according to the acceleration time, growth button to keep the inverter output frequency is turned off; when the deceleration button closed, deceleration command end signal, the output frequency of the frequency converter to reduce the deceleration time, deceleration button keep the output frequency of the inverter is disconnected. By using the method mentioned above, the system can be tuned and fine tuned with the relay, so that the synchronous control of multiple motors can be achieved.
Q:Why is the rotor of an AC motor neither magnetic nor can it rotate?
The rotor core has a number of grooves, groove cast aluminum, cast and short circuit ring in both ends of the rotor, stator windings of electric flux generated cutting aluminum rotor coil bar form the short-circuit current, the rotor and the stator rotating magnetic field and magnetic field interaction, is driven to rotate.
Q:How does the PLC control the speed of the motor?
How does the PLC control the speed of the motor?:There are a variety of ways, can be used in position control mode, PLC send a certain frequency pulse to the servo drive, a set of electronic gear ratio, the motor will run at a certain speed, change the speed of the motor only need to change the frequency of the pulse on the line, can also use the speed control mode, with a 0 PLC output to the positive and negative 10 volt analog voltage to the servo driver, set a speed command gain parameter, can control the motor rotation, the motor speed is proportional to the value of analog voltage.
Q:How to control the speed of AC motor
The method of increasing rotor circuit startup is applicable to wound rotor, deep groove rotor and double cage rotor. For squirrel cage rotors, this method cannot be used.When increasing the rotor resistance of an induction motor, the maximum torque of the motor will not be affected, but the maximum torque will occur, and the motor torque slip curve will be compressed along the slip axis. As the motor curve shows that the slip ratio rises first and then decreases, the starting torque of the motor will increase. But its numerical value is affected by the maximum torque of the motor.The starting modes of single-phase asynchronous motor include capacitor start, resistance start, PTC start and so on.
Q:Relation of voltage, speed, voltage and torque of single phase AC motor
The voltage and torque is constant (c= C T= square poles P * * * the number of turns of the stator voltage of U / L) * f (frequency rotor resistance + leakage resistance)The voltage is low rotational speed torque, output torque of the motor load torque is not greater than the operation of what the problem is, if the motor in full load and overload operation will reduce the service life of the motor, the motor blocking words soon consumed.If the economy allows, you can use single-phase frequency conversion speed control, variable frequency speed regulation, rated frequency speed regulation is constant torque output.
Q:100W AC motor or DC motor good?
The advantages of DC motors (compared with AC motors) are: to achieve economic, smooth speed characteristics. And AC motor need to use inverter, electromagnetic regulator and other components to achieve this function.With the same power, the same speed (must be the same speed) compared with DC motor and AC motor, DC motor of the expensive price point, mainly because of its complicated structure must have "commutator" to achieve AC-DC conversion. This also increases the manufacturing cost of DC motors to a certain extent.

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