UPS

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An online UPS is a type of UPS that supplies power to AC loads in normal operation. It also uses an inverter to supply AC power in case of power loss. Online UPS is a type of UPS that ensures the output power supply remains ON, i.e. The UPS charges the battery continuously and draws current from it to supply the load. There is no switching, and therefore no delay in switching between sources. Even for a nanosecond, there is no interruption in the UPS's ability to detect a power outage. The UPS will not stop charging the battery, but it will continue to drive a load from its inverter battery in the event of a power cut. Online UPS does not have a delay in switching power sources. Online UPS is another name for it. It stays ON even during normal operation. An Offline UPS is a UPS type that supplies power directly to the AC load using AC mains. In normal operation, an inverter powers the AC load with DC batteries. Because there are two different sources of power, the output must be switched between them. An offline UPS switches between 6 ms and 10 ms. This is sufficient for running computers and other sensitive devices at home, but it is not suitable for hospitals or banks. The battery is stopped charging when mains is off. A static switch or relay transfers the output line quickly to the inverter. The inverter simultaneously draws current from the battery and supplies the AC load with power. It is also known as Offline UPS because it does not draw current from the AC line when it is in normal operation. Line-interactive UPS takes its features from both Online and Offline UPS. The inverter is a part of line-interactive UPS's output. The AC input is the usual one. However, the inverter works in reverse to charge the battery. When the battery fails, it will turn to Offline UPS. Line-interactive UPS systems allow for a wide range of input voltage variations before switching to battery backup. This technology is particularly effective in areas with frequent outages, although power fluctuations are common.

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