A generator set consists of an alternator activated by a thermal motor. It can be used to supply current in the case of a prolonged power cut.
Its startup time can be relatively long; up to a few seconds. Furthermore, its voltage and frequency regulation is insufficient for providing power directly to data processing machines. It is therefore not possible to power a data processing site with a generator set alone; such a set must be associated with an Uninterruptible Power Supply (U.P.S.).
Advantage:
Disadvantages: