Siemens 1LA8 High Low Voltage AC Motor

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Siemens 1LA8 High Low Voltage AC Motor

Q:I would like to ask how to have a reverse rotation, but the forward rotation still be active... For instance forward rotation will take place at sometime, then after 5 hours reverse rotation will take place... vice versa... How can I do this?: 1 is it a dc or a ac motor 2if it is a ac motor does it run on 3 phases, or 1 and zero? answer this and telling u would be much easyer. You still have not told wether its 3 phases or 1 phase and zero!!!! If it?s 3 phases, u will need a timer and two relays, the timer swiches betveen the two relays, and for the reversing you swich 2 of the phase cords on the primarry. If it?s 1 phase and zero, it?s more difficult, becaurse u will have to dismantel the motor and reasample it again, and loose your warrenty, or u will have to have a gearing.

Q:Compare and contrast the AC generator and the DC electric motor?: Compare And Contrast Generator

Q:how to use capacitor bank, how to synchronous motor as a correction power factor?: Capacitors for power factor correction will not affect the slip of an AC motor. Synchronous motors are run as DC machines. The AC-DC converter must be included in the P.F. correction. To correct the power factor, place 1 capacitor across each winding of an AC motor. 3 windings; 3 capacitors each of equal value, calculated to correct the P.F. For a DC machine, place the capacitors across the phases, from phase-to-phase, before the AC-DC converter. .

Q:simple question all i want to know is what a ac motor is and how it functions?: The most common type of AC motor is the 'Squirrel Cage' motor. This has what appears to be a solid rotor, but is actually copper or aluminium bars embedded in steel. The electricity rotates around these bars, producing a rotating magnetic field,which pulls the bars, and so the rotor, around with the field. The power supply needs to be more than 1 phase, but a single phase supply can fool the motor into thinking it is 2 phases, by using a capacitor connected in series with one set of the motor windings.

Q:How do you calculate Motor Current from the Torque Feedback?: For DC motors and synchronous AC motors there is a linear relationship between torque and current. T=kt*I. Now, I don't know why you would want to use torque feedback, since current measurement is easier, cheaper, probably has more accuracy and a wider bandwidth.

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:What are the features,characteristics and applications of an ac motor?: ac motor? do you want to ask about AC (Air conditioner) Motor?

Q:I have a large AC motor, and a small DC one. The DC motor generates electricity for a small light, and I was wondering if an AC motor could do the same. Oh, and by the way, for those of you that say motors can't generate electricity, I know from experience that a DC one in reverse can.: Yes it can, it is not quite as easy as it is with a permanent magnet DC motor, but a squirrel-cage AC induction motor can be used as a generator. Searching the internet for [using ac motor as generator] (without quotes, quotes cuts the number down a lot, but still thousands) got about 21 million hits, must will not be use full, but still...

Q:Hey i need to make an ac motor run on time, so i tried to do with an alarm clock so the speaker voltage could be transfered into the motor. But it seems like the speaker voltage doesn't enough to run the motor can anybody please tell me how to increase it :(:( .... am stuck in this school project.Pardon me for the English: AC motors use high current/voltage and you really should avoid experimenting with them and use something made for the job. There are plenty of timer sockets you can buy for this. Put a plug onto the motor, and plug into the wall via the timer. It will work, it is safe and it is cheap!

Q:Could someone explain the difference between a single phase AC motor and a multi (or three) phase motor. The info on the web is just confusing me. Thanks: single phase motor only has 1 phase wound on it's stator. These motors tend to run choppy. Three phase has all three phases wound on the stators ( + and - on opposite sides of the motor) all three phases are set 120 degrees apart around the stator (just like the phases of a 3 phase system). The function is not only to produce more torque but it make the motor run much smoother.

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