Voltage fluctuations such as over-voltage and under-voltage are major causes of electrical appliance damage in domestic and small industrial environments. Continuous exposure to unstable voltage conditions reduces appliance lifespan and may lead to safety hazards such as overheating and short circuits. The project Automatic Voltage Cut-off and Restoration for Appliance Safety present a reliable and low-cost solution to overcome these problems using a microcontroller-based protection system.

Overall, the objectives of Automatic voltage cut-off and restoration for appliance safety revolve around equipment protection, safety assurance, operational continuity, real-time monitoring, flexibility, adaptability, and cost-effectiveness. By achieving these objectives, the system aims to enhance the reliability, longevity, and safety of electrical systems in various settings, including industries, residences, and commercial establishments.

[1]Rama Mohan, P., Neeli Mallikarjuna, A., & Niteesh Kumar, K. (2020). A Novel Over Voltage and Under Voltage Protecting System for Industrial and Domestic Applications. International Journal of Innovative Science and Research Technology, 5(10). [2]Bhosale, G., Vak hare, A., Keysha, A.and Aher, A. (2018) Overvoltage Undervoltage Protection Electrical Equipment. International Research Journal of Engineering and Technology (IRJET),5, 29-32. [3]Chattopadhyay, S., Mitra, M. and Sengupta, S. (2011) Electric Power Quality. Springer, New York. https://doi.org/10.1007/978-94-007-0635-4 [4]Institute of Electrical and Electronics Engineers (1995) IEEE Standard 1159-1995.IEEE Recommended Practices for Monitoring Electric Power Quality. Institute of Electrical and Electronics Engineers, New York. [5]Arif, Mohammad & Than Oo, Aman & Ali, A B M Shawkat. (2012). Integration of renewable energy resources into the distribution network: a review on required power quality. [6]Joni Welman Simatupang, Andrián, L., Zhuang, W., & Heri Presto. (2019). A Prototype of an Arduino-Based Protection System to Overcome Voltage Fluctuations. https://doi.org/10.1109/ic3ina48034.20 19.8949584 [7]Sarder, M. A., Rahman, M., Mustakim, M. N., Rahman, M. M., & Islam, M. S. (2021). A Prototype of AC Voltage Measurement and Over & Under Voltage Protector Using Arduino. International Journal of Multidisciplinary Informative Research and Review, 1(4), 176 –184. https://doi.org/10.5281/zenodo.510317 2 Novel Over Voltage and Under Voltage Protecting System for Industrial and Domestic Applications. 5. 885-889.

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