This paper proposes fault location model for underground power cable using microcontroller.
The aim of this project is to determine the distance of underground cable fault from base station
in kilometers. This project uses the simple concept of ohm’s law.When any fault like short
circuit occurs, voltage drop will vary depending on the length of fault in cable,since the current
varies. A set of resistors are therefore used to represent the cable and a dc voltage is fed at one
end and the fault is detected by detecting the change in voltage using a analog to voltage
converter and a microcontroller is used to make the necessary calculations so that the fault
distance is displayed on the LCD display
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