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Power saving is the need of the day and in India it is a major issue to be looked into. To get uninterrupted supply nowadays power backups such as inverters and UPS are used commonly. If it is a traditional UPS it is difficult to know remaining power and time till it can supply energy in terms of power. In order to overcome this issue, a design is proposed in the following paper. Working model of microcontroller based intelligent Uninterrupted Power Supply (UPS) system for power management in laboratory is worked upon. The appliances of lab viz. computers, fans, lights are automatically controlled during power failure according to their priority to ensure optimal utilization of UPS power. This work mainly concentrates on two key points. Firstly, calculating possible time of battery run-away and displaying it on user screen; secondly, prioritizing and operating different appliances according user requirement. The results are far satisfactory and can be implemented in real time analysis.
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Mattada et al. (2022) studied this question.
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