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  2. Diesel rotary uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Diesel_rotary...

    Most forms of uninterruptible power supply (UPS) can be either powered by battery or flywheel energy. These are ready for immediate use at the instant that the mains electricity fails, but the relatively small and finite amount of stored energy they contain makes them suitable for short periods of use, typically in the order of a few dozen minutes to a couple of hours depending on the actual load.

  3. Emergency power system - Wikipedia

    en.wikipedia.org/wiki/Emergency_power_system

    A backup generator for a large apartment building A backup power fuel cell for telecom applications A portable emergency power generator in a shipping container. An emergency power system is an independent source of electrical power that supports important electrical systems on loss of normal power supply.

  4. Emergency light - Wikipedia

    en.wikipedia.org/wiki/Emergency_light

    An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. In the United States, emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories , apartments , and hotels .

  5. Stand-alone power system - Wikipedia

    en.wikipedia.org/wiki/Stand-alone_power_system

    There are three basic elements to the system - the power source, the battery, and the power management center. Sources for hybrid power include wind turbines, diesel engine generators, thermoelectric generators and solar PV systems. The battery allows autonomous operation by compensating for the difference between power production and use.

  6. Deregulation of the Texas electricity market - Wikipedia

    en.wikipedia.org/wiki/Deregulation_of_the_Texas...

    The Texas electricity market is deregulated, meaning that there is competition in the generation and distribution of electricity.Power generators in the Texas Interconnection, managed by the Electric Reliability Council of Texas, participate in an energy-only electricity market and are compensated only for the electricity they produce.

  7. Category:Electrical generators - Wikipedia

    en.wikipedia.org/wiki/Category:Electrical_generators

    Advanced Stirling radioisotope generator; Airborne wind turbine; Alkali-metal thermal to electric converter; Alternator; Alternator (automotive) Anti-twister mechanism; Atomic battery; Auxiliary power unit