Category: Dc power alternator

A permanent magnet alternator is the core of a successful, fuel efficient DC generator Drivetrain. There are many advantages of permanent magnet DC generator over the traditional induction alternator. Foremost, the fuel consumption is much lower and the maintenance servicing is spread much further apart.

Standout points of comparison are the length, high efficiency, and the simple integration of operation. The new technology is overall superior to the old mechanics of the traditional alternator. A proprietary design was engineered and constructed and that reduces the electric ripple and maintains efficiency through a range of rpms. The alternator is coupled with the Smart DC controller which feeds the power into the battery bank or directly into the DC power load.

The permanent magnet alternator has no bearings, slip rings, brushes, exciters, or attached diodes. This eliminates the areas prone to failure and increases the longevity of the product.

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Once it is installed, there are no routine maintenance requirements for the alternator. By providing variable speed functionality, the engine is always running at its ideal operating speed which provides optimum torque and a low vibration of the engine. The units compete in the greatest Power to Size and Power to Weight ratios worldwide.

A whole system design is the first starting place in picking components for a DC Generator requirement. Questions to ask from a system design perspective:. Take the optimal charging voltage of the battery bank ie. For the sake of this guide, we are focused on engines and turbines as prime movers. If you are using the prime mover solely for the DC generator, then where is the prime mover the most fuel efficient for the desired power output?

If you are using the prime mover for charging and in parallel with a mechanical function, then will you have enough mechanical power for both at the running rpms?

Will they be running simultaneously? This is the most efficient and durable way to produce DC electrical output. It is critical to analyze the differences in products on the market with potential suppliers and manufacturers. There is a wide range of efficiencies available by manufacturers. Efficiency curves of alternators will have 2 primary variables the rpm and loading conditions. Output: Efficiency at the desired running rpm and power output; Mechanical sizes of the DC Generator.

Controlling the output voltage will be critical for charging applications. Two ways to control the charging voltage:. Read more information on DC Generator Heads. DC Generators.

Contact Us!During these challenging times, we guarantee we will work tirelessly to support you. We will continue to give you accurate and timely information throughout the crisis, and we will deliver on our mission — to help everyone in the world learn how to do anything — no matter what.

Thank you to our community and to all of our readers who are working to aid others in this time of crisis, and to all of those who are making personal sacrifices for the good of their communities. We will get through this together. Not sure if your alternator is in tip top shape? The easiest way to test it is by using a voltmeter. If you're well in tune with your car, there are a few other methods you may try as well. This test is to give a general health of your alternator and battery. Some newer vehicles may have computer controlled charging systems and would require additional testing.

Then, check the reading on the voltmeter.

dc power alternator

Otherwise, have a helper start your car and rev the engine to RPM. Check the reading on the voltmeter again.

HP High Output Alternators

The voltage should increase by between 0. If the reading is more than 2 volts higher, that could mean that your alternator is overcharging. To learn how to diagnose an alternator problem by checking the gauge or by sound, keep reading!

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Article Edit. Learn why people trust wikiHow. This article was co-authored by Jay Safford. There are 9 references cited in this article, which can be found at the bottom of the page. Explore this Article Using a Voltmeter. Monitoring Your Alternator.Polar Power designs and manufactures its own alternators; we sell complete generators and not alternator kits. Because our alternators and controls are designed to fit directly on specific engines and engine models of specific build configurations we are unable to sell and support alternator kits.

Under certain programs involving quantity we will consider selling alternators kits under a franchise contract. Note Polar Power designs and manufactures its own alternators; we sell complete generators and not alternator kits. Design for Performance Available in voltages of 12 to Vdc 32 pole high frequency design provides low electrical ripple Higher frequency design provides compact and lightweight performance Direct engine mounting further enhances the compact and lightweight design Conventional 3 phase stator lowers assembly cost NdFeB Magnets for high efficiency Class C magnetic wire for long and service life Anodized type III process for aluminum parts Nickel plating for steel parts Stator is varnished.

Low Maintenance and High Reliability Our unique alternator design with its large diameter and 32 poles allows you to run your engine at lower speed with lighter weight, higher efficiency, and longer engine life. Each Polar Power stator lamination stack is fully bonded to create a stator without voids which prevents moisture penetration, corrosion, and swelling. After the copper winding is in place, the entire stator assembly is varnished submersed in a class H coating then baked.

This seals the metal surfaces from corrosion and improves thermal performance. This also increases resistance to salt fog.

The coatings also protect the stator windings from particle abrasion and vibration. The magnets are then bonded to the inside of the ring with high temperature aerospace grade epoxy. The purpose of Nickel plating the ring is to provide the surface with high degree of corrosion resistance, thereby preventing corrosion from starting in one area, migrating under the magnets, and creating a bond failure.

The assembled magnet ring is then epoxy coated to further seal the surfaces and provide a higher degree of salt fog corrosion resistance. The magnets are mounted on the inside of the ring, so there are no centrifugal forces pulling against the epoxy bonds. There are no electronic parts diodes, etc. There is nothing to short or vibrate loose inside the alternator. The alternator is almost impossible to damage electrically.

The outputs can be shorted for minutes without damage. No Events. CookiesTo make this site work properly, we sometimes place small data files called cookies on your device. Most big websites do this too. Read more.In the early days, cars used generators rather than alternators to power the vehicle's electrical system and charge the battery.

dc power alternator

That's not the case anymore. As automotive technology evolved, so did the need for more power. Generators produce direct currentwhich travels in one direction, as opposed to the alternating current for the electricity in our houses, which periodically reverses directions. As Tesla proved inalternating current became more attractive as it generates higher voltage more efficiently, something necessary in contemporary automobiles.

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But car batteries can't use AC power since they produce DC power. As a result, the alternator's power output is fed through diodeswhich convert the AC power to DC power. The rotor and the stator are the two components that generate power.

As the engine rotates the alternator pulley, the rotor spins past three stationary stator windingsor wire coils, surrounding a fixed iron core that makes up the stator. This is referred to as a three-phase current. The coil windings are evenly spaced at intervals of degrees around the iron shaft.

The alternating magnetic field from the rotor produces a subsequent alternating current in the stator. This AC current is fed through stator leads into a connecting set of diodes. Two diodes connect to each stator lead to regulate the current. The diodes are used to essentially block and direct the current. Since batteries need DC current, the diodes become a one-way valve that will only allow current to pass in the same direction. Three-phase alternators have three sets of windings; they're more efficient than a single-phase alternator, which produce a single-phase AC current.

When working properly, the three windings produce three currents that make up the three phases. Adding all three together produces the total AC output of the stator. The two basic stator winding designs are delta wound and wye style. Delta wound are easily identifiable by their shape, as they're triangular. These windings allow for a high current flow at lower RPM. Wye windings resemble the flux capacitor seen in "Back to the Future. Too much or too little voltage can damage the battery, as well as other electrical components.

dc power alternator

To ensure the correct amount, a voltage regulator determines when and how much voltage is needed in the battery. One of two types of regulators are found in most alternators: The grounded regulator works by controlling the amount of negative or battery ground going into the winding in the rotor, while a grounded field type works the other way around - by controlling the amount of battery positive.

Neither poses an advantage over the other. With so many components working to create the electricity vital for our vehicles, it's safe to say the alternator is a crucial component under the hood. But like many parts on our cars, they fail. The next section will give you an idea of how to determine if you are about to be stranded and what you can do if you need to replace your alternator.

Legend has it the founding members got their name after reading the term off the back of an appliance. The band played up to its name, with lead guitarist Angus Young and lead singers Bon Scott and then Brian Johnson giving the band its distinctive high-voltage sound.

The group saw major success in the s and is still going strong, more than 30 years after its formation. Can your car tell you when the light's about to change? How the Open Automotive Alliance Works. How Paintless Dent Removal Works. Prev NEXT.Power Bastards. Welcome to PowerBastards. We have thousands of hi output alternator upgrades available that may not be listed on our web site. We are adding these new products to our web site daily.

Browse our catalog and please contact us directly if you can not find the high performance alternator for your application. Don't bog down your stock charging system with accessories your factory alternator can't handle. When adding a snow plow or any other high amp accessories make sure you have a high performance alternator to get the job done.

We offer the best high output alternators for any truck and the large gauge power wire upgrade kit you'll need to eliminate voltage problems forever. Order confirmations and tracking numbers are automatically sent to your email address shortly after order is created.

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Check out our high output alternators and Like us on Facebook while you are at it! Insane Installations of 2, 3 or 10 alternators!

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Check out some of the insane pictures. See our High Performance Alternators in Action! The test vehicle in question is a Buick Grand National.The power requirements for telecommunications, electric cars, data centers, military equipment, and marine vessels have changed for the 21st century; but they are still being powered by 19th century technology. Please take the opportunity to explore our website for our 21st century innovative ideas and solutions.

DC Generator Vs. Alternator

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High Output Alternators

Most big websites do this too. Read more.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. Likewise, in the early days of commercial power generation, a battle ensued between the technical wizards of the day between DC and AC for dominance -- a battle that AC won.

But while alternators have been the big winners, generators still have their uses. Although DC generators have uses in specialized applications, the alternator's mechanical simplicity gives it an edge in vehicles and commercial electric power plants. In terms of design, a DC generator is the simpler of the two. In fact, a DC generator can be used as a DC motor by applying power to the shaft, while the opposite is also true -- turn the shaft of a DC motor, and it will act as a generator.

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This is one of the greatest benefits of a generator: It will produce power purely from mechanical motion. As long as you turn the shaft, the generator will produce electricity.

AC alternators are more complex electrically because they must convert AC to DC and this takes extra circuitry. Theoretically, an alternator can act as an AC motor, but it will not be a very good motor. However, an alternator produces a large amount of electricity and typically provides enough electricity to power all the devices on a car without taxing the battery at all. The generator is the exact opposite of the alternator. In the generator, a winding of wires spins inside a magnetic field to create a current.

In an alternator, a magnetic field is spun inside a winding of wires. This means the alternator can work at a higher speed and produce more power at lower speeds.

dc power alternator

Alternators tend to be more reliable than generators, largely because of the difference in how they each use rings and brushes. DC generators use split rings, which cause the brushes to wear more quickly; the brushes rub against the break in the ring. An alternator uses solid rings, which experience less wear and tear. When you move beyond cars to commercial power generation, AC becomes the big winner. Transformers work only with AC.

Because of this, a transformer can easily step up or step down the voltage from an alternator. When the voltage is stepped up, it is much easier to send it long distances over power lines with good efficiency, then step it down again for use in your home. North Carolina native Mike Southern has been writing since He is the author of the instructional golf book "Ruthless Putting" and edited a collection of swashbuckling novels.

Southern was trained in electronics at Forsyth Technical Community College and is also an occasional woodworker. TL;DR Too Long; Didn't Read Although DC generators have uses in specialized applications, the alternator's mechanical simplicity gives it an edge in vehicles and commercial electric power plants.


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