In today's modern electrical world, power disruptions are very common and this can be caused due to various reasons such as fault in the distribution system, operations of the nearby equipments, lightning strikes, normal utility operations, etc. In order to eliminate such problems it is necessary to provide a proper and safe level of power supply and power protection. There are also some other issues associated with power supply like the matters relating power smoothing, preventing sudden surges or drops in supply, and the supply itself. Blackouts and power dips causes computers to suddenly shut down thus losing any unsaved data. Sometimes sudden drops in supply can also cause physical damage to computer components. Standby Power Supply is a perfect answer to all such questions and problems. This device is designed to provide continuous power to a load even with an interruption or loss of utility supply power. Standby power supply directly monitors the power of the devices by automatically converting to battery power immediately detecting problems with the main power supply. Standby power quickly transfers power allowing uninterrupted use of the computer and other electronic devices. Standby power supply is the simplest and least expensive form of UPS in which the primary power source is line power from the utility, and the secondary power source is the battery. It is called a stand by power supply since the battery and inverter are not continuously supplying power to the equipment; instead they are waiting on standby until they are needed. It starts working when the AC power goes out and the transfer switch changes to the secondary power source. When line power restored it returns back to standby mode. Standby power supply includes a battery to maintain power in the event of power failure. This keeps computers and other electrical devices running for several minutes. This enables computer users to save data and shut down the computer. Standby power supply is ultra quite and seamlessly transfers power supply during power outages. It delivers an instantaneous transfer of power to support critical appliances and computers for up to 72 hours. The actual back up time provided by the standby power supply depends on wattage demand. Standby power supply also acts as a surge protector between grid power and appliances. This system is also capable of collecting power from alternative sources such as solar arrays, wind turbines and power generators for recharging.
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