Siemens ILG Series 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:How to judge the quality of three-phase AC motor?
Measuring U1, U2, W1W2, V1, V2 by means of an ohmmeter is conducted. If the barrier is not good, it is better to measure the resistance of the earth with a ohmmeter
Q:What's the difference between a three-phase AC motor and a two-phase one?
No motor, motor what you say is a single-phase motor, that is, the next two lines Oh, that is a live wire connected with a zero line, it is called a single-phase motor, three-phase motor is connected is three FireWire (FireWire is a phase, commonly known as FireWire only), rated single-phase motor the common voltage is 220V, is commonly used in industrial production, mainly for civilian use, because it is not efficiency of single-phase motor three-phase motor is high, so once the power requirements in kilowatts, or thousands of Watts will choose a three-phase motor, like motor home are generally single-phase motor, because the load is small, like in the industrial production of some motor to 5000KW, if single-phase motor, the other does not, the line is much more coarse!! In fact, there are two single-phase motor windings, a working group is winding, which is the main winding, a group is to start winding, is a secondary winding, due to single-phase motor single-phase power supply, so it will not produce a rotating magnetic field in the winding, but the pulsating magnetic field generated by the pulsating magnetic field will not generate torque, so the motor will do not rotate, so give him a start winding power supply starting winding is drawn from the power supply of the main winding, but the middle of the device can be shifted (such as capacitors) such a current through the device with different phase after the current phase, also became the so-called phase, resulting in the rotating magnetic field in the windings, the motor will rotate the rotation principle of three-phase motor, I will not say, all the same! The only reference is three-phase alternating current, without phase-shifting! To answer your question directly, the main difference is the different nature of the single-phase and three-phase power supply (I think so, hehe), the applicable scope of single-phase motor is mainly used for the power supply voltage of 220V, load is not the case!
Q:Can any AC motor 220 and 380V control positive inversion? What are the conditions?
Single phase motor has two coils, three heads, two ends of the coil and connected together to a head (public side), the starting coil of a head, a head coil operation, starting capacitor connected between the operating coil and start coil, the power supply is connected in common end and operation coil when the motor is transferred, connected to the power supply public end and start winding motor reversal.
Q:Does the AC motor have carbon brushes?
Its electrical conductivity, thermal conductivity and lubrication are good, and have a certain mechanical strength and reversing spark instinct. Almost all motors use carbon brush, which is an important component of the motor.
Q:Soybean milk machine AC motor or DC motor is good?
Ethanol is a flammable, volatile colorless transparent liquid at low temperature and atmospheric pressure. It can not be used directly because of its low toxicity and pure liquid;
Q:How to control the speed of AC motor
The method of increasing rotor circuit startup is applicable to wound rotor, deep groove rotor and double cage rotor. For squirrel cage rotors, this method cannot be used.When increasing the rotor resistance of an induction motor, the maximum torque of the motor will not be affected, but the maximum torque will occur, and the motor torque slip curve will be compressed along the slip axis. As the motor curve shows that the slip ratio rises first and then decreases, the starting torque of the motor will increase. But its numerical value is affected by the maximum torque of the motor.The starting modes of single-phase asynchronous motor include capacitor start, resistance start, PTC start and so on.
Q:The difference between DC motor and AC motor in electric stacker
Disadvantages of DC motor1. direct current motor manufacturing is more expensive2. carbon brush
Q:Why is DC motor wider than AC motor? High speed regulation accuracy? How do you know?
And AC motor plus inverter (AC motor itself can not speed), if the stepless speed regulation, its torque is changed with the speed of the motor changes, generally when less than 30HZ when the operation is unstable. So, DC is wider than AC speed regulation.
Q:Motor starting mode
Direct startThe advantages of direct start is required to start simple, less equipment, low cost. Current motor direct start is about 5 times the normal operation of the motor, often start, power supply line or transformer capacity should be greater than the motor capacity of more than 5 times; the motor is not frequent starting, power supply line or transformer capacity to the motor motor capacity should be more than 3 times. The requirements for small capacity motor is easy to be realized, so the vast majority of small capacity motor is started directly, without the need for a large amount of motor step-down start. It is a power supply line and transformer capacity is difficult to meet the motor direct start on the other hand, the strong impact of the grid and the motor starting current, affect the service life of the motor, the stable operation of the power grid so adverse, large capacity Motors and motors that do not start directly should be started by lowering voltage

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