• Pratik paradkar
• Saurabh shahu
• Ishwer kolhe
• Vaibhav Kayarkar
• Dipak Wyzode

In this paper we give protection of three phase motor or any three phase devices Protection of three phase operating devices against overvoltage, overload, over temperature, and under voltage, occurring in the course of its operation is very important, because it is used intensively in industry for various purposes. Three phase operating devices can be protected using some components, such as timers, contactors, voltage, and current relays. This classical method involves mechanical dynamic parts. Computer and microcontrollers based protection methods have eliminated most of the mechanical components. We are introducing accurate monitoring of the parameter and protecting the load from undesired values of the parameter. We are also providing self-diagnosis. If the parameter recovers then system will auto reset itself? Moreover, the voltages, currents, speed, and temperature values of the device, and the problems occurred in the system, are monitored and warning messages are shown on the computer screen. In our project we are going to monitor and control the load using single controller with various faults measuring techniques related to the three phase power. We will also give a provision to auto reset the system after faults restores.

PIC16F886 microcontroller, faults, over temperature, single phasing, monitoring, overvoltage, under voltage, earth fault.

"AUTOMATIC FAULT DETECTION AND PROTECTION OF THREE PHASE DEVICES", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.7, Issue 5, page no.39-43, May 2020, Available :http://www.jetir.org/papers/JETIREA06009.pdf

"AUTOMATIC FAULT DETECTION AND PROTECTION OF THREE PHASE DEVICES", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 5, page no. pp39-43, May 2020, Available at : http://www.jetir.org/papers/JETIREA06009.pdf