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Home experts explain how to buy the best home generator, including cost, size, portable versus standby home generator, and more, to prepare for a power outage.
A 200 kW Caterpillar diesel generator set in a sound attenuated enclosure used as an emergency backup at a sewage treatment substation in Atlanta, United States. A diesel generator (DG) (also known as a diesel GenSet) is the combination of a diesel engine with an electric generator (often an alternator ) to generate electrical energy . [ 1 ]
These generators, sometimes called backup generators, are used to provide temporary power when and where it is needed. Portable is a relative term; some are more portable than others.
Standby generators. A standby generator is a back-up electrical system that operates automatically. [1] Within seconds of a utility outage an automatic transfer switch senses the power loss, commands the generator to start and then transfers the electrical load to the generator. The standby generator begins supplying power to the circuits. [2]
A UPS differs from a traditional auxiliary/emergency power system or standby generator in that it will provide near-instantaneous protection from input power interruptions by switching to energy stored in battery packs, supercapacitors or flywheels. The on-battery run-times of most UPSs are relatively short (only a few minutes) but sufficient ...
Needless to say, it might be time to consider some kind of backup-power system. If a gas generator isn't the right fit (because of noise or where you live, for example), Bluetti makes a robust ...
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