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- Q: where are ac motors used at today?
- Everywhere that the voltage supply is AC - and that's pretty much everywhere there's an electrical outlet.
- Q: What's the difference between direct current motor and AC motor?
- A direct current motor is a magnetic field that does not move; a conductor moves in a magnetic field; an alternating current motor rotates in a magnetic field, and the conductor does not moveDC motor consists of stator winding and rotor winding of stator winding. The magnetic field is produced. When the direct current. The stator windings produce fixed polarity magnetic field. The rotor energizing force in the magnetic field. So the rotor in the magnetic field force is rotating. The DC motor structure is complicated. The cost is high.
- Q: i have a d903 electric motor on my ac unit and it wont start on its own. if you start it by hand it runs but i?
- The capacitor for starting the motor may be bad. Capacitors store electricity, in this case they discharge when the motor is turned on to give it an extra boost of electricity. Some motors also have an internal start winding and if this winding burns out then the motor won't start on its own. I recommend that you have a tech look at it, capacitors still carry a lethal amount of current even when everything is turned off and the electricity supply disconnected.
- Q: what will happen when ac wil supply to an dc motor?
- No matter what happens you won't end up in Washington, DC. However, I've found speaking English is a huge plus on YA so - I'll ask this just once, HUH? You can't supply AC power to a DC motor without a transformer. Most DC motors operate on or around 12 volts and AC in the US is 110V so it will literally burn up in a second.
- Q: Given that a car will need to run off stored power (Battery or fuel cell etc.), is it best to use the DC supply to run a DC motor, or drive a controller to run an AC motor to power the car. I'm disocunting running an AC generator as this would still need powering by an engine, which seems pointless.Which type of electric motor is most suited to powering a car and why?
- For smaller cars, with a power requirement of only a few dozen kW, it is is more efficient to use DC motors. Advantages: No DC to AC conversion with associated losses needed to run the motors. Wide rpm range. Torque can be controlled either with running the four individual wheel motors in parallel, or 2x2 series or all four in series. Another torque and power control is possible with pulse width control at a frequency of several hundred Hz. For larger vehicles such as trucks with a power requirement of 1 MW or more it would be more efficient to convert the battery DC power to variable frequency three phase power. This would have the following advantages: Lighter motors for the same power. More efficient conversion of DC to var. freq. 3-ph AC power than pulse control of large DC currents
- Q: This is probably a really dumb question, but I have a motor that says SINGLE-PHASE 115 VAC @ 50/60 Hz on the side with two wires coming out of it. If I just wire it to a plug will it run on a 120V home circuit?
- Yes, it will work fine. You should use a heavy duty switch to turn it on and off.
- Q: I'm looking for a motor that has variable speed control which could be used to control a Disco Ball.I know that quot;American DJquot; makes a motor, but it only works with the DMX lighting protocol which I don't have and is total overkill for my needs anyway.1. Does anyone know of a motor that exists other than American DJ's?2. If not, can a motor be customized and built for under $100?3. Finally, can anyone provide a URL to an motor manufacture or electronics surplus store that might answer any of these questions?I should add that using a potentiometer / rheastat (light dimmer) will NOT work with the existing motor I already own. Thanks
- I'm sure the type of motor used in that item on eBay is a synchronous one, so a speed control won't work. Any 'ordinary' small mains motor, such as those in a food processor or an electric drill can be used with an 'ordinary' speed controller such as is used for light dimming. In fact, the speed controllers built in to those tools are the same - they're just not housed in a fancy wall-plate. You would undoubtedly need further reduction through gearing but it's something for you to think about. And, by the way, the normal light dimmer/speed controller is rather more than a rheostat or potentiometer. A synchronous motor can not be controlled with such a device because its speed is defined by the supply's frequency, not its voltage (which a speed controller effectively changes.) If the voltage to a synchronous motor is reduced its speed will not change. Keep reducing the voltage and the motor simply stalls and overheats. .
- Q: I am converting an older car to hybrid. I would like it to have about 200 horsepower and around 250 f/lb of torque, with a fairly flat torque response. It will be powered by a fairly large battery pack, which will be charged on the fly by a jet turbine engine. The final car weight will probably be ~3000 pounds, not including the motor. I am in the first planing stages of this little project, so any suggestions at all are most appreciated.
- I hope you have lots of money to spend. What you are making is an electric car with an on board gas powered generator. Hybrid vehicles use an electric motor to assist the gas engine and in-turn convert braking energy back into electrical energy which is stored in the battery.
- Q: What about the capacitance of the AC motor?
- A little bit, that's OK. If it's big enough, it's easy to burn the motor. You can try it yourself and switch on the new capacitor for a while. (nothing is less for a moment) and see if it is not immediately fever, if it is, then you still use the capacitor motor much of it, but I think you'll change a big try the same as before
- Q: other?
- A turbine is sort of like an inverted motor. Something, (Water, wind, steam, etc.) causes the turbine to rotate. Attached to this turbine is a wire loop located in between two magnets. According to Faraday's law of induction, the changing position of the wires in relation to the magnets creats an electric current. Motors are essentially the other way around. An electric current is sent into the wire, magnetizing it so that it turns in the magnetic field of the two magnets. This produces mechanical power in the form of a spinning rod. So Turbines convert mechanical power like wind into electricity. Motors convert electricity into mechanical power.
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Siemens Reducer
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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