ABB Original AC DC HIgh Efficiency Motor NV 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:Does the AC motor have carbon brushes?
Yes。 Carbon brush for AC motors: carbon brushes can be used in direct current motors or AC commutator motors or slip rings as sliding contacts for introducing current
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:Is the motor in the inverter air conditioner a direct current motor?
Inverter motor with "special AC variable frequency induction motor + inverter", the degree of automation and high production efficiency of equipment miniaturization, increase comfort, is currently replacing the traditional mechanical control and DC speed control scheme.
Q:Why should a single-phase AC motor start with a capacitor?
The single-phase AC motor and capacitor are used to build the rotating magnetic field in order to make the motor run with the advantage of the current advance characteristic of the capacitor.
Q:What is the maximum speed of a three-phase AC motor?
This motor is divided into pole number, 2 pole motor synchronous speed 3000RPM; 4 pole motor synchronous speed 1500RPM; go down and so on
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.
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:The difference between induction motor and induction motor
. a three-phase induction motor is an induction motor, the induction current definition: formed by the rotating magnetic field of stator winding and rotor winding of the magnetic field from the interaction of electromagnetic torque of AC motor drive rotor rotation.
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:AC motor: use gear variable or frequency conversion?
The frequency converter is the electric energy control device that transforms the power frequency power to another frequency by the on-off function of the power semiconductor device. We now use the converter mainly adopts the AC-DC-AC mode (VVVF inverter or variable frequency vector control), the first AC power into DC power supply through the rectifier, then the AC power into DC power supply frequency and voltage can be controlled by the supply of electric motive. The frequency converter circuit is usually composed of rectifier, intermediate DC link, inverter and control of 4 parts. The rectifier is a three-phase bridge controlled rectifier, and the inverter is IGBT three-phase bridge inverter, and the output is PWM waveform. The intermediate DC link is filter, DC energy storage and buffer reactive power.

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