The main theme of this project is to find the underground fault detection using arduino uno with the help of current sensing circuit and uploading the data to an IoT platform.
The basic idea behind the working of this project is ohm’s law. At the feeder end, when a DC voltage is applied, based on the location of fault in the cable, the value of current also changes. So in case of a short circuit fault like L-G or L-L fault the change in voltage value measured across the resistor is then fed to the in-built ADC of the arduino. This value is processed by the arduino and the fault is calculated in terms of distance from the base station. This value is sent to the LCD interfaced to the arduino board and it displays exact location of the fault from the base station in kilometers for all the three phases. This project is arranged with a set of resistors which represent the length of the cable. At every known kilometer fault switches are placed to induce faults manually. Finally the fault distance can be determined.
Keywords: Arduino UNO, IoT, GPRS, 16x2 LCD.
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