Siemens High Low Voltage AC Motor

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Siemens High Low Voltage AC Motor

Q: Our motor went out a week ago. I bought a new one and my friend replaced it. It worked about 5 minutes and the cool air came on and then the fan just quit again. Is it hooked up wrong? Did we ruin the new motor? Is there another underlying cause????: need more info,what type unit you have,what type and size motor you replaced and the type and size of the new one,what size of run capacitor does it take and what size is being used now,how many speeds is the new one and what speed it was hooked up to. if you get me this info i will be glad to try and help you get to the root of your problem

Q: What is the stator voltage and current of an AC motor? And what is the current and voltage of the rotor?: The stator voltage and current of AC motor are determined by specification model!An AC motor, rated voltage 380V, rated current 289A, rated power 160KW,Rated voltage 380V, rated current 289A, that is, the stator parameters!The rotor is short circuited, squirrel cage, and has a strong short-circuit current to induce the magnetic field. There is no specific parameter!According to the model, there are tens to hundreds of thousands of ann!

Q: what determines the speed of electric motors?: There are many types of motors. If its an ac induction motor (many ac motors are induction type) then the speed is determined by the frequency of the mains and the number of poles in the motor. This gives the speed that the magnetic field rotates, the actual shaft will be slightly slower and varies very slightly with load. For other motors the answer may be different.

Q: and a DC machine on AC?: Too long to answer here in any detail. AC and DC are totally different, and motors are designed to work on one or the other, not both. An AC motor uses the AC voltage to advantage, switching the polarity of the magnetic field to keep the motor rotating. DC motors do this via commutators which reverse the polarity via sliding contacts, or brushes. Bottom line, motors could be designed to work on both, if the designer wanted to, but it would increase cost and decrease effeciency. And why would we want to? Every place we put machinery, we know if it is AC or DC, and the machinery is designed to match.

Q: Hello all:I was wondering if there was a way to take an electric motor using alternating current ( AC ) and hook it up to a sort of speed controller. Some one told me speed controllers burn out AC motors; is that true?Also, is there a way to hook up a speed controller to an electric motor using direct current ( DC )?Examples:I want to put a speed controller to an windshield wiper motor.I want to put a speed controller on a ceiling fan (not a dimmer switch).Any help would be greatly appreciated. Thank you all in advance.Have a beautiful day.: To control single phase AC motor, use a variable voltage transformer ( auto-transformer ). To control DC motor, use a variable DC voltage power supply.

Q: I am having this problem on how to incorporate programs in our PIC16F84A project.: it will be difficult to hand turn any motor fast enough to illuminate a bulb that large. You could put a volt meter on the motor while you turn it to see how many volts you get. You can also drive one motor with another motor, just to see what the best voltage possible is. A DC motor will generate DC voltage, and the DC voltage will likely be small - approx 12 volts or less. If you spin such a motor fast enough to generate 120 volts, it will self-destruct, because it's spinning ten times faster than it's designed. There will also be inefficiencies, so you will only get part of the electric energy out. You might want to try a smaller bulb, like a flashlight bulb.

Q: im trying to get two compressors to work of a single pressure switch?thanks a lot!: The starting current for the two motors would be near 100 amps surge. The motors would need to be on their own circuit breaker. As for the pressure switch controlling both motors, pressure switches are usually designed to operate a single motor. Going through a contactor would be your best solution with the pressure switch controlling the contactor coil.

Q: i have a voltage tester but need instruction on how to use it. the motor supposedly tested ok before installation and i took their word for it without having it tested myself. any help would be greatly appreciated. Thank you, Princesscopperhead: sure they could desire to. yet they do no longer seem to be human beings of religion. As they declare to be. they are human beings of concern. they could desire to no longer insure their church homes and mosques the two. yet they do. lower back a convention of no faith.

Q: I'm trying an experiment, I want to wire a AC or DC motor to a light fixture and manually rotate the shaft which extends from the motor to generate electricity to the light bulb 60W or bigger.Can it be done, If so, Which type motor is recommend? Ac or Dc: Ac motors are not generators unless connected to an existing ac line. Small permanent magnet dc motors as used for models or dynamo from bikes (effectively permanent magnet alternators) or a old car dynamo are the best. Alternators of new cars require dc excitation.