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Guidelines on Selecting a Transformer
Selecting the right transformer can be a daunting task. We provide the knowledge of choosing these transformer at its most fundamental level.

ACME Transformers
ACME Transformers has been in business for over 80 years. Manufacturing a full line of dry type distribution and low voltage transformer ranging in size form 0.250-1000 KVA.

Marcus Transformers
Marcus Transformers open their doors in 1942, and have been a leader in innovative transformer design. These transformers can offer you 30 percent annual energy savings compare to other makes.

Hammond Transformers
Hammond Manufacturing has been in business since 1917 offering many types of power transformer.

G.E. Transformers
G.E. has been a leader in the energy industry for more than a century. They have become number one provider of high-power equipment.

TEMCo Transformers
TEMCo a leading Manufacturer and distributor of quality transformers since 1968. TEMCo prides it self in selling quality transformers at reasonable price, back with the best warranties in the industry.

Transformer Sizing
Provides basic information on determining the size of transformer you need. Sizing a transformer is made easy once you understand the language that is used.

K-Factor Transformers
Find out what "K-Factor Rating" is and how it effects the transformer you choose.

Custom Transformers
Custom Transformer are designed per the customer's specification. These transformers are used if applications require a unique feature or requirement.

Isolation Transformers
Provides information on how a isolation transformer works and the applications they are used for.

Selecting a Transformer

Looking at buying a Transformer!! We have the right transformer for your application. Offering Quality Transformers from Top Manufacturers.

When Selecting a Transformer always look for Quality, Energy Saving Transformers.

When selecting a transformer it can be a bit intimidating with all the different manufacturer and the different types of transformers on the market today.

Transformers are made to last and with few moving parts can have a life expectance of around 30 years or more. When selecting a transformer it is important to look for a quality transformer plus have a knowledgeable and reputable manufacturer to help you select the right transformer for the job, and the right size of transformer for the application.

In many cases buying a transformers can be costly investment. The materials and how the transformer is designed can make a huge different in the efficiently of your transformer. There are two main things that determine if the transformer is efficient. The winding material and the core material.

When selecting a Transformer a copper wound transformer is more efficient. The most common materials used for transformer are copper and aluminum. Copper is a excellent electrical conductor. Aluminum's conductivity is around 62% less than that of copper. Aluminum is lighter weight and that's why it is often chosen for such applications as pole-top distribution transformers. Copper-wound transformer are smaller on the other hand and many large transformers use copper. Utility Company used copper for practical reason because of the size of the grid and the magnitude of the current flow the windings have to be large enough to withstand the loads they impose. Aluminum's conductivity and its strength are much lower than copper's, so an aluminum transformer that would matched a 400 MVA would be huge and too large to transport. Size can also be important in a high-rise building where space is often limited.

When selecting a transformer cost is always a important factor. One of the biggest reason aluminum wound transformers are used because it is less expensive to use. As we discussed previous, transformers are a long term investment and with a life expecting of 30 years or more. The copper wound transformers are more energy efficient, a average 45 KVA transformer can save you a $1000.00 a year in energy, that's $10,000 in 10 year. Another benefit of copper is its higher strength and corrosion resistance which mean connections stay tight longer, thus having lower maintenance costs and higher reliability. Taking all of this in consideration when selecting a transformer, the initial cost between copper and aluminum is not a big factor. If at all possible go with a copper wound transformer.

When Selecting a transformer always look for a quality manufacturer. When selecting a transformer another important factor to look at is what type of core materials and how it is wound. The majority of transformer losses are due to core inefficiencies. Core losses can be reduced by improving core material. A conventional transformer used stacked lamination core assembly with 90 degrees square corners contribute to high core losses. Look for companies that offer unique core construction that ensures that the flow of magnetic flux is carried in direction of cold-rolled grain-oriented steel for minimal core losses.

TEMCo transformers are copper wound and use a a unique oval shape core construction to save you 30% or more on your energy cost. TEMCo not only offers you excellent transformers but has a skilled staff of engineers to help you in the selection and the sizing of the transformer.

Call TEMCo Today to Order

(510) 490-2187

or Toll Free 800-613-2290

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Selecting a Transformer

We Recommend TEMCo to Buy Power Transformers.
Phone: 1-510-490-2187
Link: Buy Transformers

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