Siemens ILE0001 Series AC Motor
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- Q: Why does high-speed rail use AC traction motors in China?
- Synchronous excitation motor, more devices, more annoying, generally used in firepower, water power plants. It can be said that the world's larger power motors (1MW or more), basically all communication. The power generation is basically synchronous, and the motor is basically asynchronous. In addition, I give you a data, the world about 70% of the power consumption of the motor, there are 70% of which is asynchronous motor.
- Q: Regarding electric motors with armatures and commutators and all that. With a split-ring commutator, it switches the direction of the current in a DC motor so that the armature can make full revolutions. So, if you take out the split-ring commutator, does that turn it into AC? And AC, by definition, changes current direction every half-turn, so why wouldn't AC make full revolutions too? Confusing..
- Commutators are necessary if you wish to power a motor with DC, or if you wish for an electric generator to generate DC. Electromechanical machines do not like DC as you can tell, and neither do transformers. If you do not have a commutator and you instead operate a motor from AC with just a simple connection, such a motor is called a synchronous AC motor, such that the rotation rate of the rotor is in tune with the frequency of the AC signal. Asynchronous AC motors are much more difficult to build. This is why 3200 RPM and 7200 RPM are common rotation rates, because they are in tune with US standard household frequency.
- Q: How can I slow down an 120 volt ac motor it's a drift drive buffer. It is about 3500 Rpms I want it to be around 2500. Would a variable speed drive work? I'm in an electrical class but did not get that far.
- note it says DC motor, it means AC motor.. the circuit can be adapted for 120V ac and is a good starting point.
- Q: I took apart a couple of small motors and found that they all have the copper coils attach to the shaft and spin around stationary magnets, rather then the other way around.The reason I'm asking is because they also have those two copper prongs touching the shaft in order to transfer the electricity back and forth, which wouldn't be necessary if you had the magnets spin and the coils stationary.
- Motors work by having the rotor poles constantly attracted toward the stator poles they are approaching, and repelled from the stator poles they are moving away from. This means either the rotor poles or the stator poles must have alternating magnetic polarity. In a motor designed to run on AC, you could have magnets in the rotor if the stator coils are driven by AC. However this would require that the rotor spin exactly at the AC rate. Instead, AC motors don't use permanent magnets at all, but use the magnetic induction effect, with no commutator necessary, to produce rotating polarity in the rotor that matches that of the alternations of the stator field. For DC, coils are needed in the stator so the rotation of the rotor can be used to switch its own polarity via the coil current reversal provided by the commutator. If you had PMs in the rotor of a DC motor, with only DC in the stator coil there'd be no rotation. I suppose you could design a DC motor with a PM rotor and a commutator that switches the stator polarity. I think you'd need slip rings plus a commutator. That should work and it could be an interesting project.
- Q: how do i run a .3 A 120 v ac electric motor with dc. how do i know the rate of revolutions? and how do i overclock it?
- As Percival said, speed is a factor of Hertz (frequency). If you plug the motor into a regular AC outlet, it will run the speed it was designed to. If you want to be able to control the speed, you would have to be able to control the frequency of the AC you are supplying it. To do that, you can do like Percival suggested and connect various capacitors across the AC input or buy a VFD. VFDs (Variable Frequency Drives) are a bit more pricey. And to be quite honest, I've never seen a single-phase VFD for 110volts. You can find capacitors of various values at your local Radio Shack.
- Q: AC speed regulation motor + turbo reducer instead of cam cutter + AC motor?
- If the worm gear reducer is used, though the worm gear pair can be made in reverse direction, the backlash of the worm gear will cause errors, i.e. backlash. The backlash generated by the backlash of the worm gear is much larger than the error of the cam cutter. Generally, the back clearance of the ordinary worm gear reducer can reach over 15 arc points. That would be a difference of 1/4 degrees. If the rotary disc diameter is large, the backlash is very terrible, the center deviation 1/4 degrees, the radius of 500 place would be how much can calculate. Therefore, the use of worm, generally have aided detection apparatus, using a switch to detect the position you want to stop, such as detection photoelectric switch block inspection of several indexing arrangement, to immediately stop the motor stop in the detection signal. However, due to the inertia of the motor, there will be a bit of overshoot after stopping. Therefore, it is necessary to put some parameters into the design, and then to design the fast position for the adjustable structure.
- Q: I'm writing a report and i just don't under stand so can anyone explain this as simple as possible.
- Alternating current flows in two directions and direct current flows in one direction.
- Q: Motor PWM how to speed?
- This question is not clearly stated in this space. To be brief, AC motor speed control has PWM drive mode of AC motor, DC motor speed control has PWM drive mode of DC motor.
- Q: i have a 120v/60Hz blender motor and i was wanting to some how make it in to an insane rc vehicle like a rover or a motor boat, etc.. would any one know of a way to accomplish this? picture if you can see it is my profile picture.
- For an insane answer, yes you can do all that. The problem is the operating voltage of 120 VAC. If you don't mind a tether/ extension cord. Some AC motors can run on batteries, but the batteries would be fairly heavy. You will need a gear box to slow down the motor, either to operate a propeller on a boat or to drive wheels or a set of tank tracks on a vehicle. Possibly some remote control stuff off of an old RC toy could be added. This a great idea to give you practical experience modifying something into something else. A great Gadget freak idea, and yes I are one myself. You will have a lot of fun, provided you don't burn out before the completion of the project. I would stay away from the boat idea unless you are using batteries for the power source. 120 VAC with an extension cord and water is a big no no. Edit: Four days after answering. As to how to accomplish that, I can not explain that process here. Without all of the possible pieces in front of me, no real answer can be given. You might ask some of your friends for suggestions. Not knowing your age, maybe some teachers or adult friends could help and/ or give you some idea of where to start. Wingman
- Q: What is my problem? Do I have a load that is too large on the motor.Here are the specs:AC 3-PhaseContinuous DutyConstant ToquePower Output: 5 HPBase_RPM: 1750Service Factor: 1.15Power Factor: .75Namplate Current: 14.2 AmpsNameplate Voltage: 230 VWhat I'm doing is increasing the speed of the motor with a VFD. The motor will turn the rotor up to 300 RPM (Well below its base RPM) before it exceeds its nameplate current, which causes the motor to be tripped. Is the motor drawing current above it's rated value to produce more torque to spin the flywheel? The motor can produce 15 ft*lb of constant torque at any speed up to its base rpm, and it is drawing 15.5 Amps at 50 Volts before it trips.
- I assume that when you say that the motor is tripped, you are referring to the electronic overcurrent trip function of the VFD. You can probably increase the trip point to 150% of rated output current unless the VFD is rated only for use with centrifugal pump and fan loads. In that case, it is not expected to be capable of providing rated motor torque below full speed. You need to read and understand the VFD manual. There may be several adjustments and/or a tuning procedure that needs to be performed. It is also possible that the VFD is defective, the motor is defective, or there is a fault in the wiring between the VFD and motor. What is the brand and model of the VFD?
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Siemens ILE0001 Series AC Motor
- Ref Price:
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