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2. Operating reserve - Wikipedia

   en.wikipedia.org/wiki/Operating_reserve

   An idealized representation of the four kinds of reserve power and the time intervals after an unexpected failure that they are in use. [1]In electricity networks, the operating reserve is the generating capacity available to the system operator within a short interval of time to meet demand in case a generator goes down or there is another disruption to the supply.

3. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   Uninterruptible power supply. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails. A UPS differs from a traditional auxiliary / emergency power system or standby generator in that it will ...

4. Emergency power system - Wikipedia

   en.wikipedia.org/wiki/Emergency_power_system

   Emergency power systems are installed to protect life and property from the consequences of loss of primary electric power supply. It is a type of continual power system. They find uses in a wide variety of settings from homes to hospitals, scientific laboratories, data centers, [1] telecommunication [2] equipment and ships. Emergency power ...

5. Duke may double its Bad Creek facility. Here's what that ...

   www.aol.com/duke-may-double-bad-creek-090810333.html

   It can supply carbon-free energy to more than 1.3 million homes when needed. ... Venayagamoorthy said expanding the facility is a way to keep power reliable. ... is to expand reserve power ...

6. Ancillary services (electric power) - Wikipedia

   en.wikipedia.org/wiki/Ancillary_services...

   Ancillary services are the services necessary to support the transmission of electric power from generators to consumers given the obligations of control areas and transmission utilities within those control areas to maintain reliable operations of the interconnected transmission system. "Ancillary services are all services required by the ...

7. Power supply unit (computer) - Wikipedia

   en.wikipedia.org/wiki/Power_supply_unit_(computer)

   A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a desktop computer. Modern personal computers universally use switched-mode power supplies. Some power supplies have a manual switch for selecting input voltage, while others automatically adapt to the main voltage.