Siemens EX Series Motor

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Q:The working principle of AC motor!
The single-phase AC motor has only one winding, and the rotor is squirrel cage. When a single-phase sinusoidal current through the stator windings, the motor generates an alternating magnetic field, the magnetic field strength and direction for sinusoidal variation with time, but the spatial position is fixed, so it is also called the magnetic field is alternating pulsating magnetic field. The alternating pulsating magnetic field can be divided into two with the same speed, the rotation direction of the rotating magnetic field are on the contrary, when the rotor is at rest, the two rotating magnetic field generating torque of two equal and opposite in the rotor, the synthetic torque is zero, so the motor rotation. When we use a force of the motor rotation to one direction (e.g., clockwise), the rotor and the clockwise rotation direction of the rotating magnetic field between the motion of cutting magnetic lines becomes smaller; the rotor and the counterclockwise rotation direction of the rotating magnetic field between the motion of cutting magnetic lines becomes large. Thus, the balance is broken, and the total electromagnetic torque generated by the rotor will no longer be zero, and the rotor will rotate in the direction of the push.
Q:Why is the AC motor connected to the capacitor?
The capacitor is used for phase separation, to make the current phase two Rao group produced in the nearly 90 of the difference in eve joy to produce a rotating magnetic field. In three-phase electric current, the current between each phase has phase difference itself, do not divide phase. A capacitor induction motor has two windings, that is, the starting winding and the running winding. The two windings are 90 degrees apart in space. At the start of a series of winding capacitor is larger, when the running winding and start winding through the single alternating current, because the capacitor current of the starting winding in time than the current running winding advance angle of 90 degrees, the first to reach the maximum. Two of the same pulse magnetic field is formed in time and space, so that a rotating magnetic field produces the air gap between the stator and the rotor, the rotating magnetic field, the induced current in the rotor current, and rotating magnetic field interact to produce electromagnetic torque, the motor rotation.
Q:What's the UVW representative of the motor, please?
The UVW of the three-phase motor represents the three-phase terminal of the three-phase motor, and the wiring diagram of the motor is shown.
Q:What about the capacitance of the AC motor?
If the capacity is constant (refer to kvar), the pressure will decreaseIf the pressure level has not changed, the capacitance is too large, no problemCapacitor selection depends mainly on voltage and capacity, while the capacitance is proportional to the capacity and inversely proportional to the square of the voltageYou also have an understanding of the problem, the capacitor in question is that the capacitor is too large, only the capacity is too largeIf this is the case, the capacitance will be reduced when the voltage level is constant. The larger is undesirable, but as a matter of fact, the assembly will cause damage to the capacitor
Q:What is the maximum speed of a three-phase AC motor?
The maximum speed of the three-phase AC motor is determined by the power supply frequency and the number of poles of the motor. The maximum synchronous speed is =60*, frequency (50) / magnetic pole number (1), =3000 rpm, and the asynchronous speed is about more than 2900 revolutions per minute.
Q:Brushless DC motor is AC motor or DC motor, why?
The brushless DC motor and the traditional brush DC motor supply are DC, but only use the reversible drive circuit instead of the brush and commutator. The rotor is a magnetic pole, and the stator is an armature. The actuator turns the current in the stator windings, similar to AC induction motors.AC motor is AC power supply, the speed is related to the power supply frequency, asynchronous and synchronous.
Q:STC microcontroller through the relay control AC motor, in the motor start and stop the moment will be interrupted multiple times
You've taken some of the usual anti jamming measures, but the key issues haven't been solved.1, the relay is isolated, without individual power supply, the photoelectric coupler input, if need to power (such as 6N137), must be separate power supply.Signal 2, optocoupler out, if it is low speed optocoupler, decreased along with gentle, easy to false triggering, you can add a Schmitt trigger in optocoupler after. It should solve your problem.3, SCM procedures can also do some anti disturbance processing, for example, some of the microcontroller's external interrupt, anti disturbance processing, you can open. If not, you can use the query operation, for example, each 10uS query IO once, 5 times continuously high, think that it is effective to obtain a high level, high level, set a mark, marked effective, inquiry into the 5 consecutive low level (if the middle high level again just count) is deemed effective falling edge.
Q:How to distinguish AC and DC machines
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 the commutator to achieve AC-DC conversion.
Q:How to speed the AC motor?
There are about three speed regulation methodsOne is to use the frequency converter to change the frequency of the power supply.The two is to change the number of poles of the motor (the motor itself has the conditions).Three is the slip speed regulator. This method is not to change the motor speed. Instead, it changes the clutch of the slip clutch that is connected with the motor shaft, and changes the speed of the clutch output shaft to adjust speed.
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.

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