ABB High Voltage Induction AC Motor

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Q:Braking principle of 220V alternating current motor
LZ is trying to understand the principle of an ordinary two-phase AC motor? The function of an electric motor is to convert electrical energy into mechanical energy. Motor is divided into alternating current motor and direct current motor two major categories.
Q:In the main circuit of AC motor, fuse can be used as short circuit protection, can it play the role of overload protection at the same time, why?
If the current of the motor is working normally is 10A, if there is a fuse that can work stably in the case of 10A, the case of 11A will be blown. So because the motor load for a short period of time (a few seconds) suddenly become larger, up to 12A, and then returned to normal, it is not to endanger the safety of the motor (motor temperature rise, not what) without the need for protection, but the fuse has melted. That's what we don't want to see.
Q:What are the speed regulating methods of AC motors? What are the characteristics of each?
Winding motor rotor series resistance speed control method: line induction motor rotor series of additional resistance, so that the motor slip increases, the motor at a lower speed operation. The greater the resistance in series, the lower the speed of the motor. This method is simple in equipment and convenient in control, but the differential power is consumed in the form of heating. The utility model belongs to a class speed regulation, and the mechanical characteristics are softer.
Q:The difference between AC motor frequency conversion speed regulation and voltage regulation speed regulation
Voltage regulation: smoothness is good, speed range is narrow, can not be used for constant load speed regulation.
Q:Which good reputation is synchronous synchronous motor?
You can see Wuxi city base metal products factory is a 50KTYZ permanent magnet synchronous motor, permanent magnet synchronous motor 60KTYZ, 65KTYZ permanent magnet synchronous motor, permanent magnet synchronous motor 80KTYZ, stepper motor products such as professional production and processing company, products are widely used in various types of household electrical appliances, office automation, automatic control etc.. Wuxi city base metal products factory from ultra early start to now and in the future, we are committed to providing high-quality products and services for customers from incoming, manufacturing, shipping and other processes in strict control of product quality, the production of motor advanced manufacturing technology as the premise, with modern production and testing equipment for the protection. The pursuit of zero product defect rate of PPM, is committed to providing customers to create large value add motor pursuit, to achieve the terminal customer satisfaction as the core; add motor is building motor manufacturing enterprises and make unremitting efforts.
Q:What's the difference between a three-phase asynchronous motor and an ordinary one?
Ordinary motor motor and variable frequency motor of variable frequency motor, it is called the main appearance is different from the ordinary motor frequency conversion motor with forced cooling centrifugal fan, which ensures good motor cooling in low frequency and high frequency, frequency range also see nameplate motor internal structure can adapt to the specific operation of high frequency operation. Ordinary motors are generally allowed to operate under or less than 50hz.
Q:Can AC motors be controlled by frequency converter?
Yes, three-phase induction motors are available
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:AC operation of AC motor control circuit must be used?
In addition, alternating current is a sinusoidal current, not a sudden change in the approach. It's a little bit of gradual change. So the magnetic field is also gradual. There is no magnet in the alternating current motor but an iron core. The iron core induces an electric current in the gradual magnetic field, and the magnetic field of the current must cause it to rotate normally, and of course it also changes. That is to say, what you mean is that the frequency is constant, but the external magnetic field is constant, but the induced magnetic field is related to the rotation speed. The motors that can change speed change by changing the number of electrodes. Such as: the original current one cycle outside the gradient magnetic field for a week, now two cycles outside the gradient magnetic field for a week, not half of it?!
Q:What are DC and AC servo motors? What are the characteristics?
Into a DC servo motor brush and brushless motor, brushless motor has the advantages of simple structure, low cost, high starting torque, wide speed range, easy control, maintenance, maintenance is convenient but (for brush), will produce electromagnetic interference, the environment requirements. Therefore, it can be used for cost sensitive ordinary industrial and civil occasions. Brushless motors are small in size, light in weight, large in output, fast in response, high in speed, low in inertia, smooth in rotation and stable in torque. It is easy to realize intelligent, and its commutation mode is flexible. It can be changed by square wave commutation or sine wave commutation. The utility model has the advantages of no maintenance, no carbon brush loss, high efficiency, low running temperature, small noise, small electromagnetic radiation, long service life and various environments.

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