DEVELOPMENT OF A SOFTWARE FOR LIGHTNING PROTECTION SYSTEM ON TRANSMISSION LINE

Lightning Protection System (LPS) is a system to protect equipment, building, power plant, or transmission line from a lightning strike. Transmission line on the other hand is a line carrying high voltage AC current from a generating power plant to a distribution subsystem. A LPS on transmission line act to protect the transmission line from lightning strike which can result in flashover. But not many people are familiar with the design of LPS on transmission line. Therefore, the purpose of this project is to develop a software that will help ease the designing for installation of LPS on transmission line. Some literature review were done before the development of the software started. The main reference for this project is IEEE Std 1243 – 1997: Guide for Improving Lightning Performance of Transmission Line and IEEE Std C62.22: Guide for the Application of Surge Arrester for AC System. After all the parameters and data for the designing of LPS is gathered, next step is selecting a suitable tool for the development of the software. The best tool chosen that has all the criteria needed including a user-friendly tool is Microsoft Office Excel 2013. The software contains all the collected parameters, data, and equation needed for the calculation in designing a LPS on transmission line. There are several main parts in designing LPS for transmission line which are the grounding, shielding angle, and the selection of suitable surge arrester.