Solar Powered Underground Cable Fault Distance Locator Over IOT
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 5
Abstract
the objective of this project is to determine the distance of underground cable fault distance from the base station in kilometers and displayed over the internet and to the connected computer .the device is powered by solar cell with storage battery and there is no need of external ac supply . Underground cable system is a common practice followed in major urban areas. While a fault occurs for some reason, at that time the repairing process related to that particular cable is difficult due to exact unknown location of the fault in the cable. Proposed system is used to find out the exact location of the fault and to send data in graphical format to a dedicated website together with on board lcd display over iot & by offline direct to computer. The project uses the standard theory of ohms law, i.e., when a low dc voltage is applied at the feeder end through a series resistor (cable lines), then the current would vary depending upon the location of the fault in the cable as the resistance is proportional to the distance. In case there is a short circuit (line to ground), the voltage across series resistors changes according to the resistance that changes with distance .this is then fed to an adc to develop precise digital data which the programmed pic controller family displays in kilometers .the project is assembled with a set of resistors representing the cable length in km and the fault creation is made by a set of switches at every known km to cross check the accuracy of the same. The fault occurring at a particular distance, the respective phase along with the distance is displayed on the lcd. The same information is also sent to a dedicated website over internet or direct to pc, interfaced to the pic controller .furthermore, this project can be enhanced by using capacitor in an ac circuit to measure the impedance which can even locate the open circuited cable, unlike the short circuited fault that uses only resistors in dc circuit as followed in the above proposed project.
Authors and Affiliations
Veera Vasanth Kumar , Pushpalatha. B, Rahul Kumar, Shirley Roselin, Mrs. Zoya Parvez, Dr. Shashidhar SM, Dr. Pradeep B Jyoti
Keywords
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- EP ID EP24280
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