Category: How Stuff Works

TRANSFORMERS – What They Are, How They Work, How To Size Them

Let’s open up a transformer and dig through it to see how they work. Transformers are extremely useful devices used in electrical systems to raise and lower voltage. They’re also used for isolation, typically in cleaning up power. They only exist in the world of Alternating Current however, so in DC circuits you won’t find transformers used.

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Episode 19 – Electrical Power (Wattage and Volt-Amps)

Electrical power is often expressed in two units, Watts and VA.  Wattage and Volt-Amps rather, get misused because many people do not understand the differences in them and when they should be used.  In this episode I break down the differences in the two terms and how they relate to one-another in the electrical industry.

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