Siemens ILE0001 Series Motor

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Q:Why is the capacitance of a single-phase motor adjustable speed?
Compared with the inductance governor, the capacitor governor has the advantages of small size, easy installation and long service life, especially if it does not consume power. In addition, the use of capacitor speed regulation can also improve the power factor of the grid. Therefore, the use of capacitive speed of small single-phase motor is also more common.
Q:AC motor: use gear variable or frequency conversion?
The frequency converter is the electric energy control device that transforms the power frequency power to another frequency by the on-off function of the power semiconductor device. We now use the converter mainly adopts the AC-DC-AC mode (VVVF inverter or variable frequency vector control), the first AC power into DC power supply through the rectifier, then the AC power into DC power supply frequency and voltage can be controlled by the supply of electric motive. The frequency converter circuit is usually composed of rectifier, intermediate DC link, inverter and control of 4 parts. The rectifier is a three-phase bridge controlled rectifier, and the inverter is IGBT three-phase bridge inverter, and the output is PWM waveform. The intermediate DC link is filter, DC energy storage and buffer reactive power.
Q:What is the low power factor of AC motor in no-load operation?
Second, the motor idling power down to the minimum (only to maintain its own idle torque), the motor internal inductive reactive little change, so that the active power to reduce the reactive power unchanged, power factors, of course, low
Q:Alternating current motor commutation
A sinusoidal voltage with a lead of 90 degrees or a phase of 90 degrees after a large capacitor is generatedAnd the original voltage can form a set of voltage difference of 90 degrees phase,.2 group voltage together can control its directionIf it's 90 degrees ahead, it's turning right. Then it will be reversed after 90 degrees
Q:Is servo motor AC motor? What's the difference? How can I tell whether it is AC or DC?
The typical difference is that:AC servo motor wiring is three-phase power line, as well as encoder feedback line.AC servo motor is without carbon brush, DC servo motor has carbon brush.
Q:The direction of alternating current keeps changing. How about the direction of AC motor?
Three-phase motor to change the phase sequence (any two-phase electrical connection ~ ~ ~ ~ swap position)One way motor changes the direction of main winding or secondary winding in the direction of fire
Q:How do I change the speed of the motor?
There are several schemes. The 1. is to change the ratio of the mechanical driving wheel and driven wheel driven by the motor. The 2. is to use mechanical transmission to change the speed of the motor. 3. is to use electronic governor to change the speed of the motor. As for which scheme to use, it depends on your environment.
Q:How to change AC motor to DC motor?
Generally speaking, the motor is AC, and the phase change of the high-voltage DC is too sudden, which is easy to damage the motor. Batteries (electric cars) use dc.A direct current motor refers to an electric motor that uses a direct current supply (e.g., dry cells, batteries, etc.); an alternating current motor is an electric motor that uses a power supply, such as a home circuit, an alternator, etc..
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:Is the 380V single-phase AC motor the same as that of the 220V AC motor?
First of all, we should understand the meaning of alternating current, that is, the line of fire. There are four lines in the alternating current power supply 380V line, one of which is the zero line. Suppose that A, B, C [phase line], D [zero line], referred to as "three-phase four wire", in the three-phase any one phase line and D line [zero line] combination is referred to as "single-phase second-line"". Three-phase four wire power also referred to as "380V", also referred to as the single-phase two-wire 220V electricity; if it is 380V should be called the motor three-phase AC motor, if 220V motor can be called single-phase AC motor, the motor wiring is of course quite different. If the three-phase AC motor is not in phase (or bad), it can not work. If the single-phase AC motor is wrongly connected to the 380V, the second phase is very dangerous, and the motor will be burned immediately.

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