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Different Types of Transformers

Published under Transformer Basics

Which Transformer Is Right for You?

With so many new power transformers to choose from, it can be difficult to know which transformer is best for you. At Utility Transformer Brokers we’re always willing to answer all your questions, but we’d also like to provide you with this guide which will highlight the individual characteristics of our different models of transformers. Pay attention to learn the basic details of each transformer, that way you can narrow down your options!

1. Station Class Transformers are designed for commercial and industrial applications where distribution voltage is stepped down to a usable voltage.

2. Pad Mounted Transformers are used to step-down distribution voltage to the final voltage used for residential, industrial, and commercial applications. Pad mount transformer are mounted to a fiberglass or concrete pad and feed power underground to the customer’s location.

3. Pole Mounted Transformers are used to step-down distribution voltage to the final voltage used for residential, industrial, and commercial applications. Pole mount transformers are mounted to a utility pole where service drop wires are run underground or overhead to a customer’s location to supply power.

4. Generator Step Up Transformers are used to step generation voltage up to a suitable higher voltage for the transmission of power.

5. Auto Transformers are used to step-down or step-up voltage on a transmission or distribution system. The advantage of using an auto transformer is that they are smaller in size and are less expensive because less copper is used in the windings. The disadvantage is that they do not provide electrical isolation between its windings as a conventional transformer does, so it is limited to the applications it can be used for.

6. Mobile Transformers provide the capability to quickly restore electrical service following an outage or are used to provide temporary service while permanent equipment is procured. Mobile subs are mounted on a trailer along with protective devices such as breakers and switchgears, and are usually a low profile design so they can be transported quickly.

Knowing the differences in these power transformers and their individual capacities will help you make the perfect decision in purchasing a new or used power transformer. Contact us here with further questions.

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