EEE projects on Power supply failure alarm for final year students

There is an LED to indicate the mains presence. If there is any absence, the LED will stop blinking. At the time of main power-supply presence, the capacitor stores a reasonable charge. If the main power-supply fails, then the charge stored in the capacitor will acts as a main power source for transistors. And the process is so on..

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Download Electrical projects PDF:

It is a free downloadable project for final year electrical department students. Anyone can download this for no cost basis. The download file contains of,

PDF document file,

Projects circuit diagram,

Projects abstract in detailed explanation.

Click here to download Power fail alarm project