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 ohmís 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 an 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. The project uses the simple concept of Ohmís law where a low DC voltage is applied at the feeder end through a series resistor. The current would vary depending upon the length of fault of the cable in case there is a short circuit of LL or 3L or LG etc.
Dr. G.Joga Rao, S. Sharmilla, M.Mohan Avinash, N. Dileep Kumar, S.Mohan Swamy, B. Ranjith Kumar
AT8051 Microcontroller, GSM Module, short circuit fault, Relay
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Cite This Article
Dr. G.Joga Rao, S. Sharmilla, M.Mohan Avinash, N. Dileep Kumar, S.Mohan Swamy, B. Ranjith Kumar, "Analysis of Underground Cable Fault Distance Locator", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 3, Issue 2, pp.452-457 , March-April-2017.
URL : http://ijsrset.com/IJSRSET1732151.php