ABB AC Motor High Voltage HXR400

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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:How large AC contactor and thermal relay should be used for the motor of 3KW? There are steps to calculate better.
1, Y-100L-4 type 3KW motor rated current is 6.4A, can also be obtained by formula: (power factor cos Phi about 0.7)I = P/ (root 3 * U * cos (3000/) = 1.732 x 380 x 0.7) = 6.5 (A)2 "AC contactor selection: general and motor current is available, but in actual use, the contact is easy to burn, choose more than the motor current double the more durable, should choose CJX2-1210 (12A).".3 "thermal relay setting current: choose regulating current range of 5 ~ 9A thermal relay, the setting current is 1.1 times the rated current of the motor (7A).
Q:What's the meaning of the center height of the three-phase AC motor?
Center height refers to the motor shaft to the base bottom surface height.
Q:What are the direct and alternating current motors used in daily life?
Batteries are usually DC motors, such as massage machines, electric shavers, electric toys, etc. most of them are AC motors. In fact, not necessarily, there are many electric motors used in the market
Q:Relation of voltage, speed, voltage and torque of single phase AC motor
Of course, if the power frequency is constant, the motor torque must be proportional to the voltage, but it must be before the motor reaches the rated output torque.
Q:How to make the AC motor stop rotating rapidly?
If you use it occasionally, you can install a reverse clockwise switch. If clockwise, turn down to the parking lot. It's easy to burn the motor for a long time.
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:Winding of single-phase AC motor?
Single motor is divided into main winding, secondary winding, main winding is working, and negative winding is started. The three motors are divided into main and secondary windings, and the three sets of coils are all working.
Q:What is the maximum speed of a three-phase AC motor?
The fastest is the 2 stage motor, near 3000 revolutions per minute
Q:The difference between three-phase AC synchronous motor and three-phase AC asynchronous motor
The stator windings of synchronous machines and induction motors are the same. The main difference is the structure of the rotorThere is a DC exciting winding on the rotor of synchronous motor, so the external excitation power supply is needed, and the current is introduced through the slip ring;The rotor of the induction motor is short circuited winding, which generates current by electromagnetic inductionAsynchronous motor has the advantages of simple, low cost, easy to install, use and maintenance. It is widely used. The disadvantages of low efficiency, low power factor of power grid and high efficiency disadvantage. Synchronous motor is a capacitive load, can improve the power factor. With large mining equipment.
Q:How to speed the AC motor?
(1) rotor circuit series resistance: used in AC winding asynchronous motors. The range of speed regulation is small, the resistance consumes power, and the motor efficiency is low. Used of cranes.(2) change the speed of power supply voltage, the speed range is small, the torque decreases greatly with the voltage drop, and the three-phase motor is usually not used. Used for single-phase motor speed regulation, such as fan.(3) cascade speed regulation, in essence, is the introduction of additional rotor electromotive force, change its size to speed. It is also only used in wound motors, but the efficiency is improved.(4) electromagnetic speed regulation. Used only for slip motors. By changing the exciting coil current, stepless smooth speed regulation, the mechanism is simple, but the control power is smaller. Not suitable for long term low speed operation.

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