Siemens Reducer Gear Motor

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Q:How to connect the AC motor?
Triangle: above line three root three terminals connected with three-phase power supply, the three terminals should pay attention to the connection, the end of U phase U2 wire and V head end V1 shorted end of V phase V2 wire and W head end W1 shorted end of W phase W2 wire U and U1 head end short circuit.
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:AC motor: use gear variable or frequency conversion?
Each has its advantages and disadvantages.The gear case, can only be very variable, only a few or dozens of fixed speed, cost, is not very high, but when the gear there is the problem of the transmission gear must be stopped, otherwise it will damage the gear structure. But one of the great advantages of gear reduction is that the power is small and the value is very small. Only mechanical structural friction losses. That is, great torque can be gained after slowing down.
Q:Is servo motor AC motor? What's the difference? How can I tell whether it is AC or DC?
AC servo better, because it is sine wave control, torque ripple small. DC servo is trapezoidal wave. But DC servo is relatively simple and cheap. AC servo technology itself is the reference and application of frequency conversion technology, control by frequency PWM based on DC motor servo control on imitate DC motor to achieve, that is to say this part of the AC servo motor must have frequency: frequency is the frequency of 50 60HZ AC first rectified into DC, and then through the door of the control transistors (IGBT, IGCT) whose frequency can be adjusted by electric pulse carrier frequency and PWM control inverter waveform similar to Yu Zheng cosine, because the frequency is adjustable, so the AC motor speed can be adjusted (n=60f/p, n speed, f frequency, P polar log)
Q:Where are the low voltage AC asynchronous motors used in electric machines?
Low voltage AC asynchronous motors commonly used in industrial electrical equipment are typically three-phase asynchronous motors.Three phase asynchronous motor can be used to drive all kinds of general machinery and equipment, such as compressors, pumps, fans, mixers, crushers, cutting machines, conveying machinery and other mechanical equipment, etc.. In the mining, machinery, metallurgy, petroleum, chemical, power plants and other industrial and mining enterprises as prime movers.
Q:How does the PLC control the speed of the motor?
How does the PLC control the speed of the motor?:There are a variety of ways, can be used in position control mode, PLC send a certain frequency pulse to the servo drive, a set of electronic gear ratio, the motor will run at a certain speed, change the speed of the motor only need to change the frequency of the pulse on the line, can also use the speed control mode, with a 0 PLC output to the positive and negative 10 volt analog voltage to the servo driver, set a speed command gain parameter, can control the motor rotation, the motor speed is proportional to the value of analog voltage.
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:How do AC motors keep in the same direction?
As for the synchronous motor, the principle of some trouble, is the basic rotor asynchronous motor into a rotor like DC motor. In the start into asynchronous start, start to rotor power into sync, oh, forgot to tell you that the speed of the motor rotating magnetic field than low speed asynchronous call motor, synchronous motor is the same, the speed of the rotating magnetic field is synchronous speed.
Q:What's the difference between a variable frequency motor and a servo motor?
Then it is servo motor, variable frequency motor and the main difference with the encoder, and then transmitted to the servo motor drive, and then using the control theory, such as gain, adjust time, simply say a servo motor is a closed-loop control system, and quick start, stop, load capacity a variable frequency motor, with these characteristics, also makes the speed, torque, third position control method for high requirement application. 1, servo motor and inverter and working principle of AC motor is basically the same, belong to the AC-DC-AC voltage type motor drive, but the technical requirements of big differences, so there are great differences in the aspects of motor and driver design.
Q:Brushless DC motor is AC motor or DC motor, why?
That is the difference is that the brushless DC motor and AC motor rotor stator are magnetic, is only the armature, rotating magnetic field in the stator of the former is generated by the sensor and a driving circuit, an alternating current generated by the.That doesn't know much, but brushless DC motor has one advantage, that is, it has a linear characteristic of DC motor and a little better.

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