• Siemens EX Series Motor System 1
  • Siemens EX Series Motor System 2
  • Siemens EX Series Motor System 3
Siemens EX Series Motor

Siemens EX Series Motor

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Q:are there any batteries that produce alternating current?could i put in a little alternator?
no and no and no What voltage AC? you can get inverters that will convert 12 volts DC to 120 VAC or 240 VAC. .
Q:what will happen if dc supply is given to an ac motor?
Provided that the level of current is kept within the safe limits for the motor windings you will find that with an induction motor, the shaft becomes very difficult to turn. If the motor was running and the AC supply disconnected and the DC supply connected, it would stop immediately, this is the basis of DC injection braking used widely on radial arm drilling machines.
Q:I work with electricity frequently enough and I have a motor that I want to use as a generator/alternator. Its a universal motor so it can be run on AC or DC. Currently I can't find my multimeter and I am having problems finding a answer through searching. So I need to know, when I spin a universal motor am I creating alternating current that I will need to add a rectifier to so I can run a DC component...or am I creating DC? I ask because I have a motorized bike and I just found a sprocket drive motor and I want to use it as a dynamo for lighting, and I want to rig it to DC battery storage as well. Or if you have ideas for circuitry on my specific project that would be even better!
you pick a mechanical potential of spinning the motor, the path of the rotation would be certain the order of the levels interior the output. in case you turn the path of rotation, you will replace the order of levels. that's acceptable to 3 section autos. some autos can in simple terms be became around one course so pay interest or you will smash your brushes in a hurry. you will could desire to spin the motor on the precise speed this is indexed on the motor's faceplate or you wont see the 60Hz or the output voltage you assume. in case you will attempt to power electronics with this AC generator you pick extra aspects to normalize the frequency and voltage or you will in all threat blow issues out whilst your RPMs replace under a load / no load situation. you apart from could could desire to be sure the RPMs are consistently consistent or your output will selection notably. MikeC
Q:This american device is labeled as '60hz' but it runs on a universal brush motor, which means that it will still run fine in a '50hz' country without any frequency cycle disturbance, providing i convert the volts, right?I was told that bacause it's labeled on one stores website as '120V AC 60 Hz only' that it probably isnt a true universal motor.But I noticed You can get replacement Carbon Brush and Brush Spring Assemblies - This would futher indicate thats it's a 'true ' universal motor right?
A 60 Hz motor will operate on a 50 Hz supply, but not at rated speed and capacity. A 50 Hz motor will operate on a 60 Hz supply, but the rpm will be higher than specified. What are you operating and what is it worth to you to stay within specifications?
Q:I have this saw and the speed control board has gone bad,so i am going to try and use a variable ac or dc power supply to run the saw,but i am not sure which one the motor uses. I have already hooked the motor to a battery charger,it ran find but does not have enough torque for the blade to cut wood.
If it ran off a battery it's DC. You need a reostat, like one for a ceiling fan, you can find anywhere, check for 15 amps. Next you need a diode bridge. An electrical place can help you. If you are handy you can search the internet for plans for a full wave bridge rectifier. You can build one from parts at Radio Shack or an electronics store. Your battery charger isn't putting out enough voltage, try a 24 volt charger.
Q:i have seen many electric car project all the cars are using pmsm motor . why
A permanent magnet synchronous motor would be subject to slippage when their maximum torque has been reached. The overload behaviour of AC induction motors are much more acceptable. You'll note that the DIY'ers advocating permanent magnet motors are never professional electrical engineers, there are reasons why. Synchronous motors are by definition AC, notably three phase AC, there are no DC synchronous motors unless you consider brushless which is really an AC motor with a builtin inverter. Go with AC motors, I did an undergrad paper back in the 80's on how AC motors would eventually supersede DC motors in LRT transportation, decades later, it did.
Q:When more poles are added to an AC synchronous motor, the speed is decreased according to:RPM = 120 x f / n where n is the (even) number of poles and f is the frequency in Hz.I can find plenty of sources stating this effect, but nowhere can I find an explanation on why (ie: the physical mechanism), explicitly anyways, the number of poles slows down the speed. Also, where the 120 constant derived from and what are it's units (or is it non-dimensional)?Thanks
During one cycle of the power waveform, a fixed point on the rotor moves past one pair of poles. Frequency, hertz, is the same as cycles per second. Speed is revolutions per minute. You need to multiply by 60 to convert from cycles per second (units 1/s) to revolutions per minute (units 1/m). You also need to multiply by 2 because there are 2 poles in a pair of poles. Therefore 120 = 60 minutes per second X 2 poles per pair.
Q:I am thinking about an electric vehicle conversion. I want to remove the transmission, as the rotation of the motor is enough. Here comes the problem though: how do I reverse? It will be a variable frequency drive, and I am planning on mounting it directly on the axle (well like where the bar that connects the axle with the transmission used to be.Also would the rotation of the motor be enough or will I need to add some permanent gears?
A rear differential has about a 3:1 drive ratio. It would basically be like the highest gear in the transmission all the time. You actually can do that with electric, but acceleration would be slower. For reverse, just use a controller that has a reverse function.
Q:will an ac motor (air pump motor) generate electricity if turned manualy?
VFD manufacturer's may also hav some information about regeneration, regenerative braking and dynamic braking. Both regenerative and dynamic braking involve a motor acting as a generator.
Q:AC motor speed regulator
Now is the best performance of AC motor speed controller frequency converter, it is by changing the power supply frequency of the motor to achieve speed, speed range, energy saving, but also can slow down growth, and can be used as motor starter, but the price is relatively high.

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