Knowledge Builders

what is a generator in a car

by Aniyah Ferry Published 3 years ago Updated 2 years ago
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Automobile generator - a unit that converts mechanical energy into electrical energy and performs the following functions: provides a constant and continuous battery charge when the engine is running; provides power to all systems during engine start, when the starter consumes a large amount of electricity.

An alternator is a type of electric generator used in modern automobiles to charge the battery and to power the electrical system when its engine is running.

Full Answer

Can I use my car as a generator?

Yes, you can charge your electric car with a generator. Even though it might sound too good to be true, you can actually use your generator to charge your vehicle in case you are in an emergency. Since generators are designed to serve as backup power sources anyway, they are able to perform the same way as the main power source in your house.

Can I charge an electric car with a generator?

An electric car can be charged with a generator that is powered by diesel, but you will need about 10 to 15 liters of diesel in order to charge an electric car fully. You must ensure that your generator has a high fuel capacity if you are planning to use it for charging an electric car.

How do you test your car generator?

  • Turn off the car. You'll want to make sure your engine is off before attaching the voltmeter.
  • Open the hood.
  • Connect the voltmeter to the battery. ...
  • Read the voltmeter. ...
  • If the battery doesn't have enough voltage, either get the battery charged and re-test or try a different method for checking the alternator.

How to connect a hydrogen generator to a car?

How to Build a Hydrogen Generator for Cars

  1. Fill the container half full with distilled water. Add a tablespoon of baking soda to your water. ...
  2. Drill two holes in the lid to insert the steel plate and in the container lid to insert the two bolts.
  3. Drill one hole for a PVC fitting into the plastic lid and connect the flexible plastic tubing to the lid.

More items...

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What is the difference between a car alternator and a generator?

An alternator is a device that converts mechanical energy into AC electrical energy. A generator is a mechanical device which converts mechanical energy to either AC or DC electrical energy. An alternator always induces an alternating current. A generator can generate either alternating or direct current.

Do cars have both an alternator and generator?

Generators and alternators are the primary methods of producing electric power. Generators create direct current (DC) power and alternators create alternating current (AC). In the early days of automobiles, car had DC generators; these have been completely replaced by alternators in modern vehicles.

Is generator used in cars?

A Motor Generator (MG) is essential for driving hybrid vehicles and generating electricity. It serves as the main power source when starting and driving a vehicle and assists the engine during acceleration. The regenerative energy generated when applying the brakes is used to charge the battery.

Which is better generator or alternator?

The output voltage of Alternator is always higher then Generator. The output voltage of the Generator is always higher then Alternator. The brushes last longer because the armature is stationary and there is no friction.

Why did cars stop using generators?

Without an onboard generator to continuously recharge the 12-volt battery, the battery would quickly run out of power and the car would stop running. Alternators replaced DC generators in the 1960s because they were lighter, able to produce more power and proved to be more reliable.

What are signs that your alternator is going out?

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.

When did they stop using generators in cars?

1960sGenerators lasted until the 1960s in most vehicles, but they weren't very good at regulating voltage and had a reputation for overcharging batteries — and consequently damaging them.

What can damage the alternator?

Driving a vehicle through water that is deep enough to splash or flood the alternator can damage the alternator shaft bearings and possibly the brushes and electronics inside the unit as well. Water can also cause corrosion that over time will damage the wiring and bearings inside the alternator.

How does a generator work?

An electric generator works by converting mechanical energy into electrical energy. It operates based on the electromagnetic induction principle, which is the creation of an electric current by moving a wire next to a magnet.

Can alternator charge a dead battery?

An alternator cannot do everything a charger can. For starters, an alternator can charge a battery with a low charge, but it cannot charge a dead battery. As we said above, the battery's job is to start the engine and then work as an electrical load balancer.

How much does an alternator cost?

In general, expect $130 to $250 for a quality alternator. The lower end is offers professionally remanufactured alternators, while the high-end price range is generally new alternators running higher amps for modern vehicles.

Does a car generator produce AC or DC?

The alternator actually generates power for the vehicle. As the alternator rotates, it creates a DC voltage primarily to charge the vehicle battery. The battery provides the huge current required to start the vehicle engine.

Why is a car generator called an alternator?

An alternator gets its name from the term alternating current (AC). Alternators are typically found near the front of the engine and are driven by the crankshaft, which converts the pistons' up-and-down movement into circular movement.

Can an alternator generate electricity?

An alternator works together with the battery to supply power for the electrical components of the vehicle. The output of an alternator is direct current (DC). When the alternator pulley is rotated, alternating current (AC) passes through a magnetic field and an electrical current is generated.

Can a car alternator be used to power a house?

But if you're living off the grid and doing so on a budget consider that you can run your house lighting system on a 12v circuit with battery backup simply by using automotive alternators and batteries (actually deep cycle marine batteries work better) with 12v lights.

Does a car alternator produce AC current?

Car batteries operate on one-way direct current (DC) electricity, while alternators output alternating current (AC) electricity, which occasionally flows in reverse. [6] So prior to going to the voltage regulator, power intended for the battery goes through a diode rectifier to turn into DC.

What is an HHO generator?

It is an alternative technology that claims to boost fuel efficiency in gasoline-powered engines. They’re devices that draw on the power of the alternator of a car or from the battery. A current of energy is drawn through a mixture of water and an electrolyte which separates the molecules of the water to their base form of 2 molecules H20 and 1 oxygen, hence the name HHO generator. HHO generators are sold as units that are easy to install by the average driver with a little mechanical knowledge. No great technical knowledge is required.

How much power does an HHO generator draw?

They used about $1,900 worth of these gadgets to try to enhance fuel economy. What they learned is that the HHO generator draws 15 amps of power from the vehicle, but it was not sufficient enough to cause the oxyhydrogen gas to break even. An HHO generator was also tested by Mythbusters with the same results. Further studies reported in the Alexandria Engineering Journal proved that the use of an HHO generator could result in fuel economy enhancement however, the unit had to b custom fabricated for the precise vehicle being tested.

Does an HHO generator make a difference?

From what we can tell, in most cases the HHO generator made no significant improvement in the fuel consumption or performance of vehicles, nor did it have any positive impact on cleaning the engine. However, when the HHO generator was fabricated for the specific vehicle that was being tested, it was able to generate enough of the oxyhydrogen gas to make a difference. This tells us that an HHO generator can do all of the things that are claimed, but not all of the models on the market will deliver on those promises on every vehicle.

Should you use an HHO generator on your car?

Auto How Stuff Works points to a 2007 study made by the US Department of Transportation. The study sought to determine if the theory that hydrogen fuel in commercial vehicles increased mileage and decreased emissions in diesel-powered vehicles. Fringe energy theorists had worked on the concepts for years and it was viewed as a potential cleaner fuel source for the future. The findings suggest that it might not be as effective as claimed by some manufacturers of the units. Jalopnik reports on tests conducted to confirm or disavow the legitimacy of the claims made about HHO generators. The matter has been a controversial issue for some time with educated people on the pro side as well as those who believe it to be a myth. They tested the HHO generator on a Chevrolet Suburban to gauge its efficiency throughout 250 miles, driving the vehicle. What they did learn was that in that limited test run, the generator did not clean the engine of the SUV, nor did it increase the performance.

What is a power generator, and how does it work?

They allow their owners to generate electricity on-site, as a substitute or complement to electricity from the electric grid. Power generators and large thermal power-plants operate on the same principle: both burn fuel to create motion, or mechanical energy, and convert it into electrical energy. Generators have two main components: an internal combustion engine and an alternator.

What fuel do generators run on?

Generators can run on a variety of different fuels, from heavy fuel oil to propane gas . The decision over which fuel to use depends on various factors: the cost of the generator, the price of the fuel, the availability of the fuel, fuel storage considerations, each fuel’s emissions profile, and noise constraints. Generators can be designed to work with a wide range of fuels, from naphtha to biofuels, but some of the most commonly used fuels are diesel, propane and natural gas.

How does bi fuel work?

Bi-fuel engines can burn two fuels, but only operate with one fuel at a time. They provide their owners with fuel flexibility. For home generators, for example, this ensures that if propane runs out, the generator can continue to run on gasoline. In industrial applications, the bi-fuel feature allows owners to optimize their operating costs by choosing the fuel that is the most convenient or cheapest to use at any given time. In oil and gas extraction applications, for example, having the option to run a generator on natural gas when it is being produced is a great way to save on costs. In utility power generation application, running a generator on natural gas rather than diesel during ozone season limits nitrogen oxide emissions, which contribute to the formation of ozone.

What is standby generator?

A standby generator is designed to take over supplying electricity to a site in case of power failure, for as long as it takes until power is restored. Hospitals, datacenters, government buildings, offices and many other buildings need standby generators to ensure that in such an event, critical services are maintained. Beyond that, non-critical services such as hotel lighting and air conditioning also need to be maintained in the case of a power outage. Standby generators need to be up and running in seconds to minutes, depending on the criticality of the application. They are designed for limited use and are intended for speedy, powerful starts.

How does an alternator work?

The rotational motion produced by the engine extends into the second main component, the alternator. The alternator converts one form of energy , rotational kinetic energy into electricity by using the properties of electromagnetic induction, the physical phenomenon by which variable magnetic fields create electrical currents . The alternator has two parts—a stator and a rotor. The stator is a housing made up of many copper windings, and as the rotor spins inside the stator, its magnetic field rotates as well. The rotating magnetic field causes the electrons to flow in the stator, and thus a current of electricity is produced.

How to choose a generator?

Getting the right generator for the job is like getting the right batteries in an RV: one battery starts the RV engine so it needs to give a powerful burst of electricity, whereas the leisure battery running the lights and fridge needs to release a slow amount of electricity over a longer time.

What are the three main categories of generators?

Generators can be thought of in the same way – will the need for power be very high for a short amount of time or fairly high for longer period, or will the generator be in continuous usage? These are three main categories of generator use: standby, prime power and continuous power.

What is a car generator?

CarGenerator lets you power your entire house with your car. Jonathan Schloo sees CarGenerator as a way to easily power your home in emergencies — without buying a standalone generator. Generators are the kind of devices you’ve always wanted to buy – or know you need to buy – but can never pull the trigger on.

Can you pull the trigger on a generator?

Generators are the kind of devices you’ve always wanted to buy – or know you need to buy – but can never pull the trigger on. The thought of something that big taking up precious storage space is quite the deterrent, as is the need to have fresh gas available, and the horror stories neglected generators not running when needed most.

Do you need a generator to run a car?

But here’s the thing gentle reader, there should be no need for you to invest in a generator as you already own a device that turns gasoline into electricity. Your car’s alternator is pumping out juice any time your engine is running. You’ve got a generator that has a fresh supply of gasoline, carts itself around, and (generally speaking) is always working.

How many amps does an HHO generator draw?

In fact, the HHO generator drew 15 amps of power from the car and it couldn’t make enough oxyhydrogen gas to break even. Mythbusters tested an HHO generator over a decade ago and found that while oxyhydrogen gas can power a car’s engine, the HHO generator that they used made no impact.

Does a HHO generator increase fuel economy?

Unsurprising by now, but the HHO generator failed to increase the fuel economy of the generator.

Can a HHO generator power a car?

Mythbusters tested an HHO generator over a decade ago and found that while oxyhydrogen gas can power a car’s engine, the HHO generator that they used made no impact.

Can you burn hydrogen gas in a car?

Is it possible to get your car to burn hydrogen gas? Sure. But as Project Farm and other tests show, an HHO generator from eBay really isn’t going to cut it.

How does a generator armature work?

When the generator armature first begins to spin, there is a weak residual magnetic field in the iron pole shoes. As the armature spins, it begins to build voltage. Some of this voltage is impressed on the field windings through the generator regulator (commonly called the VOLTAGE REGULATOR, explained in the next article). This impressed voltage builds up a stronger winding current, increasing the strength of the magnetic field. The increased field produces more voltage in the armature. This, in turn, builds more current in the field windings, with a resultant higher armature voltage. This voltage could, of course, continue to increase indefinitely, but it is limited (by regulation) to a pre-set peak. At this point all this sounds like perpetual motion, doesn't it? Remember, though, that the energy driving all this is the engine's crankshaft!

Which produces more current: generator or alternator?

Generators produce Direct Current. Alternators produce "alternating current", or AC. Alternators have the advantage of producing far more current at low speeds than generators, thus allowing more and more accessories in the car.

Why is a stator more efficient than a generator?

Why is this more efficient? Well, the stator windings are made up of three separate windings. This produces what is known as three-phase AC. When only one winding is used, single-phase current results (like in a generator). In effect, the alternator produces three times the current of a generator for the same effort on the engine's part. Also, alternators are considerably lighter and smaller than generators.

How does a rotor work?

The engine's crankshaft spins the rotor. Direct current from the battery is fed through into the rotor's field coil by using brushes rubbing against slip-rings. One end of the field coil is fastened to the insulated brush, while the other end is attached to the grounded brush.

Why are diodes used in alternators?

Multiple diodes are arranged in alternators so that current will flow from the alternator to the battery (in one direction only, creating DC) but not from the battery to the alternator.

How are pole shoes connected to a generator?

When a current passes through these windings the pole shoes become electromagnets, called FIELD COILS. These two field coils are connected in series (current passes through one and then through the other) and wound so that one becomes the north pole and the other the south pole of the magnetic field.

What is the most common failure of a generator?

Study the illustration and familiarize yourself with the generator's parts. It should be noted that the most common failure of a generator is the brushes. Second to that is bearing failure, especially the bearing next to the drive pulley (improper belt tension hastens the demise of this bearing!)

Why do F1 cars have vortex generators?

The efficiency of aerodynamic components generally increases with velocity, hence why F1 cars can justify exploiting vortex generators within their design, but the airflow passing over a normal road car – even on track – is normally just not quick enough.

Where are vortex generators found?

This is the reason that – on cars – vortex generators are found spaced across the end of the roofline, exploiting as much of the high energy air as possible. On road cars however, the design of them is not the most efficient. On airplanes and Formula One cars, vortex generators are sharp-edged and often triangular to create the most effective vortex possible at very high speeds. But on mass-produced road cars, safety regulations dictate that they need to be smoothed-off and rounded which decreases their effect on the air flow, resembling much more of a purely aesthetic component than people may presume.

Can A Generator Charge Your Electric Car?

When it comes to backing up an electric car charger, the usual rule of thumb is that you’ll need a generator that can provide at least 10kW of backup power, especially if you’re doing a Level 2 “quick” charge.

How Fast Does A Generator Charge Your EV?

In EV terms, using a standard level 1 charging system means that your electric car is charging from at least a 120v outlet (which a generator has). Therefore a typical smart EV would allow roughly 15 amps at a rate of 1.7Kw.

The Pros And Cons Of Using A Generator

We sometimes forget how vital electricity is and how much we rely on it since it has become a frequent part of our daily lives, both at home and with the next generation of vehicles.

How To Choose The Best Generator

The size of the generator (running watts and beginning watts) you need depends on what you want to power. Running watts, also known as rated watts, are the continuous watts required to keep something running or charging.

Damage To Polymer Products

Ozone in the vehicle can attack the polymer products used in the interior, including the plastic and rubber, damaging them.

Damage To Leather Materials

Studies show that ozone generators can also damage suede and leather in the car. You must also know that the damage is irreversible.

Danger To Human Health

Ozone generators’ use is not adequately regulated, putting the end-user at risk of possible poisoning.

Stop Using The Product

Once you notice that your car’s leather, plastic, and rubber components begin to show signs of damage, it is time to end the ozone treatment.

Assess The Damage

After putting an end to ozone generator use in your car, you should assess the damages it has caused.

Check The Wiring

Remembering the aspects of a car that ozone treatment can damage, you should focus on those aspects for assessment.

Check The Leather And Upholstery Accessories

Prolonged ozone treatment can dry up the leather in your car’s interior and make it shrink. The damage is, unfortunately, irreversible.

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1.Videos of What Is a Generator In a Car

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10 hours ago  · A motor driving a generator to operate an electric car does not need to be as large as an engine that normally drives a car. This is because the engine must be made to provide …

2.Auto generator. The device and how it works - AvtoTachki

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29 hours ago  · They’re devices that draw on the power of the alternator of a car or from the battery. A current of energy is drawn through a mixture of water and an electrolyte which …

3.What is an HHO Generator and Should It Be Used in a …

Url:https://moneyinc.com/hho-generator/

18 hours ago Generators have two main components: an internal combustion engine and an alternator. Just like the internal combustion engine of a car, a generator’s engine needs fuel to operate. Diesel, …

4.What is a Power Generator, and How Does it Work?

Url:https://www.cummins.com/generators/power-generators

15 hours ago  · The CarGenerator attaches to your battery, then converts your alternator’s DC power into 7-10 amps of AC power for household use. As long as your car can idle, you’ve got …

5.The Car Generator turns your car into emergency power

Url:https://www.digitaltrends.com/cars/car-generator-emergency-power/

4 hours ago  · Oxyhydrogen (HHO) generators work by taking power from your car’s battery or alternator to run a current through electrodes into water mixed with an electrolyte.

6.What Happens When You Use An HHO Generator In A Car …

Url:https://jalopnik.com/this-is-what-happens-when-you-use-an-hho-generator-in-a-1846912155

10 hours ago Generators produce Direct Current. Alternators produce "alternating current", or AC. Alternators have the advantage of producing far more current at low speeds than generators, thus allowing …

7.Design and Function of Automotive Generators and …

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2 hours ago What the vortex generator does is disturb the airflow running over the bodywork, producing a swirl of air in-between the high energy and low energy streams. This draws in a stream of high …

8.Vortex Generators: How Do They Work? - Car Throttle

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30 hours ago Standby generators employ an automated transfer switch to turn on automatically during an outage, eliminating the need for human setup. You’ll be able to insert your electric car charger …

9.Can You Charge An Electric Car With A Generator?

Url:https://surgeaccelerator.com/can-charge-electric-car-with-generator/

5 hours ago An ozone generator can remove any unwanted odor in the car and keep the air clean. If you cannot trace the foul odor in your vehicle, the ozone generator is usually the best option. It will …

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