Hartono, Hartono and Pramono, Lantip and Azizi, Yusup Design of Ground Fault Detector Using NodeMCU ESP8266 microcontroller Based Telegram. IOP Conference Series: Earth and Environmental Science. (In Press)

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Abstract

One of the important things in the electricity distribution system is how to distribute electricity from generation to consumer so that it can take place continuously. When distributing electricity, technical disturbances may occur, such as over voltage, over load, reverse power and short circuit disturbances from generation to transmission to distribution. To facilitate the investigation of disturbances in the Medium Voltage Cable Line, namely by installing a disturbance detector. Fault detection tool for Medium Voltage Cable Lines, namely Ground Fault Detector (GFD). The Medium Voltage Cable Line network with GFD installed is more profitable than the Medium Voltage Cable Line network which is still lacking or not installed with GFD. GFD will detect a short circuit fault. Then the NodeMCU ESP8266 microcontroller will process the interference signal and then send a notification message via the telegram application. The tools that have been designed are then tested under conditions similar to field conditions. The test results show that the troubleshooting time is better with the fastest time being 00:36.10 seconds or thirty-six seconds, while the longest time is 01:24.06 minutes or one minute twenty-four seconds compared to the old GFD of 134.08 minutes and GFD 3G is 34.25 minutes. Keyword: Ground Fault Detector, Telegram Application and Nodemcu ESP8266 Microcontroller

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