Significance of Online UPS Systems

UPS systems are devices which helps in power fluctuations or blackouts situations. UPS means 'uninterrupted power supply' and it is the best means to safeguard computer files, hardware and any electronic equipment from power fluctuations.

Lets discuss few facts of Online UPS -

An Online UPS system, frequently called Double conversion system, first converts the AC input voltage to stabilised DC, which is then converted back to AC, to feed continuously the critical load, with pure stabilised sinusoidal output, coming either from the input line via AC/DC converter, or from batteries in case of power failure.

Recently Online UPS systems with Eco mode operating regime are provided by many manufacturers for low power single Phase Online systems. The Eco mode operation, if selected, enables an Online UPS to work directly from utility mains transferring automatically to Online operation in case of electrical failure limits of the incoming AC line.

Few Online UPS systems will automatically change the working regime to Online operation, even if Eco mode is selected, upon sensing unstable utility environment. UPS systems with Eco mode feature, allow on an average about 5% power saving, considering UPS efficiency. The Eco feature doesn't normally have a price tag. Its implementation is mainly software based.

Benefits of Online UPS -

--> Appropriate for unlimited backup power needs.

--> Higher power quality and increased reliability.

--> Comes in compact sizes in affordable prices.

--> Energy efficiency is low normally, 85%-92%, more heat is generated.

--> Initial and operating cost is high, maintenance costs are high.

--> Battery has to be replaced frequently, on an average after every five years.

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