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Step Up Transformers

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Step up transformers are a very common tool used in power transforming and modification applications; they are typically the first major transformer in a power transmission system and are often used in multiple locations throughout the system. An example of this would be in power plants. Read More…

Step Up Transformers Step up transformers have the power to convert low voltages to higher voltages while reducing both amperage and the effects of resistance. This conversion occurs by means of transferring electrical energy through two coil stages, the second coil stage having more coil windings than the first.
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Leading Manufacturers

Antigo, WI  |  800-826-9741

We believe in offering the very best to all customers. We offer a full range of transformers, including electric transformers, current, and toroidal transformers.

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Johnson Electric Coil Company $$$

Perris, CA  |  951-277-0757

With more than 500 current transformer manufacturers in the world, Triad Magnetics realizes you have a choice. Why choose Triad? Having served the needs of many industries for more than half a century, Triad believes its experience makes the difference. And if there is one point experience has taught it, it is that it must remain flexible and adaptable to the changing needs of the market.

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Triad Magnetics $$$

McHenry, IL  |  815-344-2900

Lenco Electronics, Inc. specializes in a wide variety of custom electric transformers. Lenco’s success has not come about by accident, but by providing its customers with high-quality products.

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Lenco Electronics, Inc. $$$

Detroit, MI  |  800-428-2626

Dongan Electric Manufacturing is a leading manufacturer of isolation transformers, dry type transformers, custom transformers, current transformers, power transformers and electric transformers for distribution to OEM and MRO markets. Other services and products are offered. Give us a call today or visit our website to learn more about our company!

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Dongan Electric Manufacturing Company $$$

Tampa, FL  |  813-879-5811

We do three phase transformers better than the competition! Since 1955 we have been manufacturing top of the line transformers while maintaining some of the quickest turn around times in the industry! We aim to provide each and every customer with service that will exceed their expectations 100% of the time! To learn more about what we may be able to do for you; visit our website today!

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Jackson Transformer Company $$$
placeholder image Johnson Electric Coil Company Triad Magnetics Lenco Electronics, Inc. Dongan Electric Manufacturing Company Jackson Transformer Company

Electricity loses energy traveling down power lines; however, high voltage electricity loses less energy than electricity at low voltages. As a result, power plants boost, or step up, the generated electricity to an extremely high voltage before it leaves the power plant so that less electrical energy will be lost. In addition, foreign business travelers often use step down transformers for conversion to North American voltages for safe use of laptops, fax machines, cellular phones and answering machines, without worrying about short-circuiting, blowing equipment or starting a fire.

Materials used to construct the coil windings include copper, special steel alloys, chromium, nickel and aluminum, of which copper windings are the most efficient as well as being a little more costly. Sizes of step up transformers range from large devices intended for use in electrical power systems to much smaller units used in electronic equipment such as loudspeakers in radios, high fidelity equipment and television sets.

Isolation Transformer Step Down Transformers - Johnson Electric Coil Company

A step up transformer is comprised of two sets of coils or windings linked by a magnetic field. The core can be made of a ferrite compound or a laminated core wound with bare copper or enameled coils. The coils are primary and secondary and function as conductors. The principal function of a step up voltage transformer is to convert low voltage, high current power into high voltage, low current power. Although there is no connection between the two circuits, the coil windings are inductively linked. The primary coil serves as the input and is linked to a power generator, while the secondary coil serves as the output and is linked to the load or loads.

The conversion begins when the primary coil receives alternating current, or AC, voltage, this produces a varying magnetic field of voltage surrounding the conductor; the magnetic field activates the secondary conductor coil. Once the voltage conversion is made, the energy is transferred to the load center and the electrical process continues from there.

The ratio of turns (also known as windings) in the primary coil to the number of turns in the secondary coil determines the magnitude of the voltage; in a step down transformer there will be more turns in its secondary coil than the primary. Even though there are fewer turns, the turns in the primary coil are of a larger gauge wire than used in the secondary coil in order to handle the increased current power that has been transferred to the primary coil. The ratio of the voltage between the windings of the primary and the secondary circuit mirrors the ratio of the number of windings.

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