An Uninterruptible Power Supply, also uninterruptible power source, UPS or battery/flywheel backup, is an electrical apparatus that provides emergency power to a load when the input power source, typically mains power, fails. UPS Ultra Power Supply Chennai A UPS differs from an auxiliary or emergency power system or standby generator in that it will provide near-instantaneous protection from input power interruptions, by supplying energy stored in batteries or a flywheel.
The on-battery runtime of most uninterruptible power sources is relatively short (only a few minutes) but sufficient to start a standby power source or properly shut down the protected equipment. A UPS is typically used to protect computers, data centers, telecommunication equipment or other electrical equipment where an unexpected power disruption could cause injuries, fatalities, serious business disruption or data loss.
There is a good chance that your desktop or laptop or printer is connected to the main supply via UPS in between. Why is it required? Well - the function of the UPS is to provide instantaneous or near-instantaneous make up for the sudden power loss which may damage the sensitive electronic gadgets like computers, printers, servers etc. The UPS box would contain a battery and some circuitry (will explain below) that makes this happen. Most UPS are designed to protect gadgets from voltage spikes, voltage drops, instability of the main frequency and harmonic distortions as well. UPS Units range in size from units designed to protect a single computer without a video monitor (around 200 VA rating) to large units powering entire data centers or buildings.
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