Can an alternator run an electric motor?

The alternator will supply the power to the motor which will get less than it needs to run full, which will provide less power to the alternator then giving even less power to the motor, the cycle will keep going (depending on how much momentum it has and how fast it was going) until friction takes over and stops the …

Can an alternator power an electric motor?

You can use a DC motor to drive an alternator in order to invert a DC energy supply into AC. … You could connect an electric motor to an alternator, but the energy delivered by the alternator would be less the motor requires to turn it.

How much power does it take to run an alternator?

How much power does it take to run an alternator? An alternator typically takes about 1 HP (horse power) for every 25 amps of power generated. So, a 100 amp alternator will require about 4 HP at full output. Most alternators do not operate at full output for very long.

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Is an alternator considered an electric motor or an electric generator?

An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current. For reasons of cost and simplicity, most alternators use a rotating magnetic field with a stationary armature.

Why can’t a electric car recharge itself?

Yes, a self charging electric car is simply made using in wheel hub motors, supercapacitors, and a generator. … But apparently the amount of energy used to produce the energy for charging the second battery would cancel out the energy produced.8 мая 2016 г.

Do electric cars charge while driving?

A connection would be made between the trailer and car to allow charging while driving. The advantage is in keeping the purchase cost lower. Some electric car makers advocate for large battery packs with 300-350 miles range along with a fast charging system allowing for a 1-1.5 hour recharge time from empty.

Do electric cars charge as they drive?

Applied to automobiles, it makes it possible to charge the battery of an electric car by parking it over a special charging pad. … Dynamic induction charging works according to the same principle, only with a moving car. In this setup the car is driven over a series of emitter coils set into the road.

What is the minimum RPM of a 12v car alternator?

2,400 rpm

Can an alternator power itself?

Originally Posted By Demosthenes99: Well yes, but energy will be lost by friction and heat so it would eventually run out of power all the same.

How much torque is needed to turn an alternator?

Well-Known Member. Good info tcmtech. Just for a point of reference, a standard automotive alternator puts out 60A @ 14V = 840W. 1hp = 746W, so it takes over one hp to turn your car’s alternator to full output, not counting losses in heat or the belts…26 мая 2009 г.

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What are the symptoms of a bad alternator?

6 Symptoms of a Failing Alternator

  • The indicator light. …
  • Headlights are dim or flickering. …
  • Other electrical failures. …
  • Strange noises. …
  • Car stalls or has difficulty starting. …
  • Battery dies.

Can a car run with a bad alternator?

The alternator in your car provides power to the spark plugs that ignite the gas in your engine. If your alternator is beginning to go bad there might not be enough power in your spark plugs to start your car or keep your car running.

How do you know if your alternator is dying?

Signs of a Bad Alternator

Some of the things to look for are no-starting and trouble starting, dimming lights and problems with stereo system output. If your car starts but stalls when you’re underway, your battery is probably not being recharged due to a faulty alternator.

What happens if electric car runs out of power?

We don’t recommend running you electric car to empty. Manufacturers warn that this can damage the battery. Running completely out of power, or ‘deep discharging’ as it’s known, can cause the battery cells to deteriorate and reduce their performance in the long run.

Do electric cars need servicing?

As electric cars have fewer moving parts than conventional vehicles, they are generally cheaper to service. Unlike with fuel-powered cars, electric vehicles do not need emission checks, fuel filters, oil changes or spark plug replacements.

Does the i8 charge while driving?


In the non-electric driving modes, the high-voltage battery is charged directly by the petrol engine so that it is available for the boost function. … And if you are driving your BMW i8 in the HYBRID mode, the high-voltage battery is charged exclusively by Brake Energy Regeneration.

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