ABB Original High Low Voltage 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 speed the AC motor?
Rated speed n=60f/p (1-s) = synchronous speed N1 (1-S) f, power frequency P, motor pole logarithmic s slip1. use frequency changer to change power frequency speed regulation, speed range is wide, stability smoothness is better, mechanical characteristic is hard. That is, with the rated load, the speed drops much less. Stepless speed regulation. It is suitable for most three-phase squirrel cage asynchronous motors.2., change the magnetic pole logarithmic speed regulation, belong to level speed regulation, speed adjustment smoothness, generally used in metal cutting machine tools. 3. change slip speed regulation.
Q:Common problems of AC motors
The shaft of the motor --- the bearing base -- the current in the base circuit is called the shaft current. The reasons of shaft current generated: (1) magnetic field asymmetry; (2) harmonic current in power supply; (3) manufacturing, installation is not good, because the rotor eccentricity caused by uneven air gap; (4) the removable stator core has a gap between two half; (5) a stack of fan stator core the patch number of inappropriate choice.
Q:Can any AC motor 220 and 380V control positive inversion? What are the conditions?
All three phase motor, the 3 phase line in any two lines can be switched to control the motor positive and reverse, commonly used AC contactor control, reverse switch control (small capacity) and so on.Single-phase capacitor running motor ends of the main winding or secondary winding can be controlled on the motor is reverse.
Q:Why can single-phase AC motors be controlled by voltage?
Simply put, after the voltage is lowered, if the rotor spins at its original speed, the stator gets a very small current. The electromagnetic torque decrease under the same load torque under the action of slip increase speed decreased, resulting in decreased speed reflected impedance decreases according to the size of the formation of a low impedance voltage and current speed speed balance, therefore maintained at a low speed.
Q:The direction of alternating current keeps changing. How about the direction of AC motor?
There are many ways to generate rotating magnetic field, such as three-phase winding method, single-phase phase-shifting method, short-circuit loop method, pulse commutation method, and so on.
Q:The difference between a direct current motor and an alternating current motor
As the name suggests, the direct current motor uses DC as the power supply. AC motors use alternating current as power source. Structurally, the principle of the direct current motor is relatively simple, but the structure is complex, and it is not easy to maintain.
Q:What is the difference between stepping motor and servo motor and three-phase asynchronous motor? What are the advantages of their differences?
Servo motor servo motor principle: also known as the executive motor, DC and AC servo motor is divided into two categories, servo motor rotor is permanent magnet drive control of the U/V/W three-phase power electromagnetic fields, the rotation of the rotor in the magnetic field, at the same time with the motor encoder feedback signal to the drive, the drive according to the feedback value compared with the target value, the rotor rotation angle adjustment. The accuracy of the servo motor is determined by the accuracy of the encoder (line number).Advantages: as servo motor with motor encoder to form an internal closed loop, the control accuracy is very high, so that it can operate normally at high speed. The drive can communicate directly with the host computer.Disadvantages: high price, long supply cycle of imported goods, high maintenance costs.
Q:What about the capacitance of the AC motor?
A little bit, that's OK. If it's big enough, it's easy to burn the motor. You can try it yourself and switch on the new capacitor for a while. (nothing is less for a moment) and see if it is not immediately fever, if it is, then you still use the capacitor motor much of it, but I think you'll change a big try the same as before
Q:The difference between DC motor and AC motor in electric stacker
Advantages of DC motors1. DC motor has good starting characteristics and speed characteristics2., the torque of DC motor is relatively large3., maintenance is cheaper.4. DC motor DC relative to the exchange of energy-saving environmental protection.
Q:What kinds of AC motors are divided into?
The AC motor can be divided into squirrel cage AC asynchronous motor and winding AC asynchronous motor according to the rotor difference

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