ABB AC DC HIgh Efficiency Motor HXR500PL6

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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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100% Tested.

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

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Q:What is the difference between AC variable frequency speed control and DC variable frequency speed regulation?
Reason of brush and volume of DC motor, limits its scope of application, can be said to be a variable speed fan and pump development, is due to the need of fan and pump energy saving, variable frequency speed regulation is the best choice, but I personally think that compared to the current price and the price of this inverter, energy saving is meaningless, because the inverter investment back, at least 5-6 years, in the 5-6 years, conditions also do not know what happens.
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:What's the difference between asynchronous and synchronous AC motors?
The induction motor is realized by induction. The principle is that in the stator winding with three-phase voltage, will form a rotating magnetic field, the rotor on the lead because of cutting lines of force, so the potential, and because the guide bar is connected, so produce the current. At this point, we think of what we learned in junior high school -- "electrified conductors produce motion in a magnetic field."". So this kind of motor is called induction motor". For asynchronous or induction machines, the number of poles of the rotor is automatically induced by the number of poles of the stator. It can also be said that the rotor is not polar. (above is an example of armature winding on the stator). There is no pivot / transition for asynchronous motors.
Q:Working principle of AC motor
About two copper rings function: two brush corresponding two copper rings with the current energy source is constantly being sent through the coil. The benefits of this design is: to avoid the two power line of the Chan around the problem, because the coil is on the turn, with two wires to the coil power supply then, two power line will be around the current in the coil of Chan is due to alternating current, current is equal to zero, but this time with the current time is too short than up, not to mention the coil quality, with inertia, due to inertia coil will not be stopped. The AC motor is based on alternating current the characteristics of rotating magnetic field generated in the stator windings, and the rotor coil magnetic line cutting motion, the rotor coil generates induction current, magnetic field induced current induced magnetic field of the stator and the rotor to make the opposite rotation force Moment.
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: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:Speed control method of AC motor
The specific AC speed regulating device has:Efficient speed regulation includes:Changing pole logarithmic speed regulation -- squirrel cage motorSquirrel cage type motor controlled by frequency conversionCascade speed control - winding motorSynchronous motor of commutator motorInefficient speed control methods include:Stator voltage regulating speed governing squirrel cage motorSpeed control of electromagnetic slip clutch -- squirrel cage motorSpeed control of rotor series resistance winding motor
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:Are there 3 harmonics in the voltage of a three-phase alternator? Why?
If the generator is connected to the power supply system after the transformer is boosted up, and the transformer has a winding with a triangle connection, then there is no 3 harmonic in the generator outlet voltage
Q:Can any 220V AC motors be reversible?
Many single-phase motors now have only three lines. This motor is the factory, when the factory, will start winding and main winding, an end directly connected to the internal. If the motor is not modified, it can not be reversed by external means.

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