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Siemens Reducer

Siemens Reducer

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Q: My washer is acting up sometimes it will go into spin cycle sometimes it won't I have torn it down and can see the motor and can make the problem come back by cycling the lid (so the motor turns on and off until finally it doesn't come on again). The motors has 5 wires going to it. I put a multimeter on the two termianls that had 120 volts going to them and when I check continuity between the terminal and ground (case of the motor) there is one terminal that when the motor is working properly there is continuity but when the motor is 'stuck' there is no continuity.Does this mean the motor has a deadspot? What is the best way to diagnose if the motor is bad? which of the 5 wires should I check.The washer is WJSR2070B2WW
May be a bad relay or the cycle motor has a short or gone bad
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: If an induction motor is rated at 0.5HP and 370W at 220V single phase, is this just at start up or when under operating load. In this instance it's a submersible water pump designed for continuous duty operating on a power curve with a maximum flow rate of 400Litres/min and maximum dynamic head of 14.5 metres. Apart from general interest my main reason is that I want to get some idea of the operating costs of running this pump to supply my pond waterfall on a 24/7/365 basis.
370 W is the under load power usage rating of the motor. When idling it will be less. If put under load that would require the motor to use more than 370W it risks burning out (there is often a safety margin).
Q: can u provide me the general equation for servo motor? thanks
If you are using a DC motor, it will be shunt or compound, not series wound, because you have to have a fine control of the rpm. Any motor can be converted into a servo motor with a positioning control system. AC motors can also be used. Wound rotor induction motors are the best, because they allow good speed control. For low power applications, such as printers and disk drives, stepper motors are used, which allow very precise position control by counting steps. There is no general equation for a servo motor. Perhaps you are looking for the transfer function of a motor, which normally is first order, with a time constant proportional to the mechanical inertia. rpm(s) / power_in(s) = 1 / (1 + s T) s : Laplace operator T = inertia time constant Inductance time constants are usually neglected. .
Q: Do I need some sort of amp controller to use or do i just plug it straight to the ac? (sounds like a bad idea)2.
Current drawn depends on the load, so you just connect it to a 120 VAC line. As long as the current is less than 15 amps. If you want to be careful, connect a fuse in series, with the fuse about 150% of the current rating of the motor. Do you use an amp controller when you plug a light bulb into the 120 VAC line? Re DC motors, the 17 mm is the diameter of the motor. The torque is not listed. I'd not buy a motor without a full datasheet. If none is available, seek a different vendor.
Q: i have an ac 1 hp motor and when i rotate the motor with an 2T engine or any other which current does the mortor produces and i f the engine is rotating maximum at 500 rpm how much current does the mortor produces
if you want to generate electric power mechanically, don't use a motor. either that won't work at all, or it will be very inefficient. instead use an alternator, the kind used with automobiles is ideal.
Q: What is the purpose of the encoder and how can you tell if it is working properly. thanks
The purpose for an encoder is to know where the motor is by revolutions the motor makes. Example: If you are opening a garage door with an encoded motor the encoder can tell if the door is closed or half open by the revolutions the motor makes. Hope this helps
Q: how can find an electrical ac motor with outer diameter of approx. 100 mm and with minimum of 500 watt. power?
What is the purpose? where you are going to use ?Is it continuouse rating Intermittent ratings.If it intermittent rating go for a smal size drilling machine with double speed or use a suitable speed controller use it for your pupose .These all high speed ,high torque ac motor it will not run continuously .It may be available in 120 volts /220 volta Ac even in 12v ,18,24v dc. If you need low torque use a table fan motor but wattage will be less.Best of luck.
Q: I have a DC power source that I'm trying to convert to AC. The DC power can be anything. The only catch is that the AC delivered needs to be only 5 VAC with a frequency of 60Hz and a current of 1 Amp. Is there any way to achieve this without a transformer? If I do have to use a transformer to make an inverter, how do I meet these other specifications?
First of all, remember that the AC signal can be at most, in a perfect world (which ours is not), equal to the wattage of the DC input. 5 VAC (RMS), at 1 A, will require a 5 W DC input. In practice you should at least double this. The technical term is an inverter. You can buy an off-the shelf inverter and connect it to a transformer. Since you're shooting for low voltage, you can also just build one with a 555 timer and a power transistor that can handle 1 A. You'll need to filter the output (with a big inductor or an RC bridge) if harmonics will be a problem. The quickest simplest way to do this is to build yourself a dynamotor by connecting the shafts of a DC motor and an AC motor. You can very easily generate this kind of power, and it will be exceptionally clean and noise-free, unlike the output of an inverter. But you have one other option: a cheap PA amplifier (remember, you only need 5 watts) and a sine wave generator (which can be any wall transformer with a large resistor in series to prevent excessive current from flowing). Just turn the volume knob until you get the voltage you want. If the whole rig needs to be able to run on DC, you can construct the sine wave generator out of a 555 and an RC filter with a very low cutoff.
Q: Dc I have motors, leds and such what can I power with ac
AC is used for power generation and distribution, many motors, lighting, appliances, furnaces, electric stove, dryers, and other high power items. DC is used by DC motors, LEDs, most low power electronics equipment, etc. In most cases AC power is converted to DC for these applications.

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