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Engine–generator
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<p>An engine–generator is the combination of an <a href="/facts/Electrical_generator/5sATsUGX">electrical generator</a> and an <a href="/facts/Engine/p0m7aXaW">engine</a> (<a href="/facts/Prime_mover_(locomotive)/LVJ5b5oo">prime mover</a>) mounted together to form a single piece of equipment. This combination is also called an <i>engine–generator set</i> or a <i>gen-set</i>. In many contexts, the engine is taken for granted and the combined unit is simply called a <i>generator</i>. An engine–generator may be a fixed installation, part of a vehicle, or made small enough to be portable. </p>