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To design low cost Microcontroller based voltage stabilizer, with following specifications: Output accuracy 1%, High speed correction 30V per second, High/Low voltage rapid cut-off, Auto-restart when High-Low condition is removed and Digital display for
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Problem Statement - To design low cost Microcontroller based voltage stabilizer, with following specifications: Output accuracy 1%, High speed correction 30V per second, High/Low voltage rapid cut-off, Auto-restart when High-Low condition is removed and Digital display for voltage.

Challenge description with context - There are many low cost stabilizers available in the market but most of them are having discrete circuit instead of microcontroller, hence does not meet above specifications. Usually speed of correction is very less in such low cost stabilizers. Use of AVR microcontroller will provide low cost solution with all above specifications described in problem statement.

Problem – To provide low cost accurate voltage stabilizers to prevent costly electronics equipment’s from power fluctuations. In existing voltage stabilizer, which stable the output voltage but sometime voltage fluctuation occurs at the output. Microcontroller based voltage stabilizer will solve this problem. It will compare input voltage and reference voltage set by the user, according to comparison microcontroller control the output voltage.

Users – Industry and society

Expected Outcomes - It will increase life of any equipment’s. It will also increase hardware and programming knowledge of the students who are participating in this event. Industry and students both have advantage. It will increase life span of electrical/electronic equipment by protecting them against fluctuation occur in input voltage. So it is very much useful to household appliances as well as organisation/industries where power fluctuation is the main problem

Probable Discipline – Electronics Engineer

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