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2. 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 ...

3. Stationary fuel-cell applications - Wikipedia

   en.wikipedia.org/wiki/Stationary_fuel-cell...

   Emergency power systems are a type of fuel cell system, which may include lighting, generators and other apparatus, to provide backup resources in a crisis or when regular systems fail. They find uses in a wide variety of settings from residential homes to hospitals , scientific laboratories, data centers , [ 6 ] telecommunication [ 7 ...

4. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   This is a critical point – each power supply must be able to power the entire server by itself. Redundancy is further enhanced by plugging each power supply into a different circuit (i.e. to a different circuit breaker). Redundant protection can be extended further yet by connecting each power supply to its own UPS.

5. Electric power distribution - Wikipedia

   en.wikipedia.org/wiki/Electric_power_distribution

   Closer to the customer, a distribution transformer steps the primary distribution power down to a low-voltage secondary circuit, usually 120/240 V in the US for residential customers. The power comes to the customer via a service drop and an electricity meter. The final circuit in an urban system may be less than 15 metres (50 ft) but may be ...

6. Diesel generator - Wikipedia

   en.wikipedia.org/wiki/Diesel_generator

   Diesel generators are not only for emergency power but may also have a secondary function of feeding power to utility grids either during peak periods or periods when there is a shortage of large power generators. In the UK, this program is run by the national grid and is called STOR.

7. Standby generator - Wikipedia

   en.wikipedia.org/wiki/Standby_generator

   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.