A computer can tolerate slight differences from this specification, but a significant deviation will cause the computer's power supply to fail. A UPS generally protects a computer against four different power problems:
computer.howstuffworks.com/question28.htm computer.howstuffworks.com/question28.htm
An Uninterruptible Power Supply (UPS) is a device connected between the power source and a computer to ensure that electrical flow is not interrupted. UPS devices use batteries to keep the computer running for a period of time after a power...
http://www.tech-faq.com/uninterruptible-power-supply.sh...
Uninterruptible power supply - Wikipedia, the free encyclopedia
An Uninterruptible power supply ( UPS ), also known as a battery backup , provides emergency power and, depending on the topology, line regulation as well to connected equipment by supplying pow...
en.wikipedia.org/wiki/Uninterruptible_power_supply
04: No UPS software works on my machines, ... Standby power supply (SPS). In this type of supply, power is usually derived directly from the power line, until power fails. After power failure, a battery powered inverter turns on to continue supplying power. Batteries are charged, as necessary, when line power is available.
www.jetcafe.org/~npc/doc/ups-faq.html
Remember the new Un-interruptible Powers Source (UPS) we installed in June? IT WORKS! Within a week ComEd power went down for a short time and so did most of the Hospital but all of the systems in the Data Center remained functional, thanks to the new UPS.
www.fredhenning.com/articles/ups7-98.htm
Farmers seek uninterrupted power supply; ... In the last meeting of the Finance and Contracts Committee held on February 26, approval was accorded to 80 new works, including 31 of the electrical wing, estimated to cost Rs 11 crore. However, work could not be started on these projects due to the imposition of model code...
www.tribuneindia.com/2004/20040521/ldh1.htm
The evergreen NS Series Uninterrupted Power Supply just get better, its even outstripped sales of our previous world-beating S Series Uninterruptable Power Supply. ... Uninterrupted Power Supply Management - power at your fingertips...
ups-manufacturer.electronic.com.tw/ups-2.htm
If you suffer from power fluctuation, this is a complete solution for getting 240V without any variation and interruption. It works from 12v, 24v or higher voltage battery for providing 240V constant out put Voltage. ... This system is a true No-Break power supply. Load being always on ups, it is totally isolated from all...
www.murickens.com/onlineups.asp
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Power supply - Wikipedia, the free encyclopedia
Power supply is a reference to a source of electrical power. A device or system that supplies electrical or other types of energy to an output load or group of loads is called a power supply unit o...
en.wikipedia.org/wiki/Power_supply