ABB Original Finland HXR560 High Low Voltage AC 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:Braking principle of 220V alternating current motor
1. the basic structure of three-phase asynchronous motorThe construction of three-phase induction motor is also divided into two parts: stator and rotor.(1) stator:The stator is the fixed part of the motor, which is used to produce rotating magnetic field. It is mainly composed of stator core, stator winding and frame.(2) rotor:The rotor is the main part of the rotor. There are two kinds of rotor, squirrel cage and wound rotor. Grasp their respective characteristics and differences. The squirrel cage type motor used for medium and small power (100k or less) is simple in structure, reliable in operation and convenient in operation and maintenance. Winding type can improve startup performance and speed regulation. The air gap between stator and rotor will affect the performance of the motor. The general air gap thickness is between 0.2-1.5mm.
Q:Which price is higher, AC motor or direct current motor? Which one has a longer service life?
The DC motor, relying on power, motor rotation, heat production, but the effect is better. Therefore, when in use, according to the needs of choice.
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:How many kinds of braking modes are there in AC motors? What are the characteristics of each?
Energy consumption brakingWhen the motor cuts off the AC power supply, a DC power supply is added to any two of the stator winding to generate a stationary magnetic field, and the stationary magnetic field is generated by the inertia rotation of the rotor to produce a braking torque
Q:Relation of voltage, speed, voltage and torque of single phase AC motor
The speed and frequency are the same, because the supply voltage is constant, the frequency of the change, the result of direct reaction is the same speed change, frequency increase, speed also increased, it minus the other also reduced.On voltage analysis, look at these formulas.Motor stator voltage: U = E + I * R (I is current, R is electronic resistance, and E is inductive potential);And E = k * f * X (k: constant, f: frequency, X: flux);For asynchronous machines, T=K * I * X (K: constant, I: current, X: flux);It is easy to see that the frequency of F changes, is also accompanied by the change of E, voltage of the stator should also change, frequency control methods commonly used in fact is that, when the frequency changes, the inverter output voltage, also is the increase in voltage at both ends of the stator is changed, is proportional to the this is the ratio of frequency conversion constant V/f. Analysis of the three equations can also be used in front of the same results can be obtained.
Q:Structure of alternating current motor
AC motor consists of stator and rotor, and the stator and rotor is using the same power, so the current of stator and rotor in the direction of change is synchronous, i.e. the current direction in the coil is changed, and the direction of the current in the electromagnet, according to the left-hand rule by magnetic coil coil can continue to turn the direction. Go on.
Q:What are the differences between AC motors and DC motors?
DC motor installed a constant magnetic field, current in the stator coil of electromagnetic force is created, it will move, but the direction of the current to continue to change, so will the use of brush, contact terminals. Therefore, the cost of construction is relatively high. Generally used in servo motor, speed measuring motor and excitation motor more.
Q:What is the reason that the single phase AC motor is turned on and off?
Exclusive use only. Check the switch first, is there any bad contact?. After the problem of the switch is removed, the power is turned on, and whether the cold state can run normally every time. If there is a phenomenon that the cold condition can not work properly, the internal circuit or winding is not working. If the cold running is normal and the use of a period of time does not turn, and then use the hand to touch the motor whether the fever is serious, such as temperature is too high, the heat protector is broken, and so the motor can be turned cold. This phenomenon should check whether the no-load and load resistance of the motor is too large, whether or not the winding has a short turn between the two places, causing the temperature rise too high.The two capacitors on the motor, one is the starting capacitor, the other is the operating capacitor, which produces phase difference. The starting capacitor is only connected to the circuit when the motor is started, and it is disconnected when it is running normally. The operating capacitor is always connected to the circuit.
Q:Why is an AC motor more popular than a direct current motor? System description, thank you.
When it comes to AC motor, said first alternating current, alternating current is often used in our daily life, low price, wide use, AC Alternating Current AC motor can adapt to any electrical equipment, is no exception, the reason is the three-phase alternating current of each phase is 120 degrees, 360 degrees, this is just a three-phase AC motor is welcome to good, so the AC motor will be popularized
Q:How to choose the AC motor?
1. According to the power consumption of the load, the motor power is selected, and the motor power is 1-1 of the load power. 2 times2, select the speed, the motor speed on those a few, choose a slightly larger than the load you need.3. Choose the installation form of the motor4, but also choose three-phase single-phase, as far as possible to choose three-phase

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