A Field Observation on Lightning Performance Improvement of Overhead Distribution Lines
Two feeders of 20 kV overhead distribution lines which are located in a high lightning density area are chosen to be observed as a field study due to their good lightning performance after improvement of lightning protection system. These two feeders used the new overhead ground wire and new line arrester equipped with lightning counter on the main lines. The significant reduced of lines outages are reported. Study was carried out to observe these improvements by comparing to the other two feeders line which are not improved and not equipped yet with the ground wire and line arrester. These two feeders located in the nearby area. Two cameras were installed to record the trajectory of the lightning strikes on the improved lines. Lightning peak currents are measured using magnetic tape measurement system installed on the grounding lead of lightning arrester. Lightning overvoltage calculations are carried out by using several scenarios based on observation results and historical lightning data derived from lightning detection network. Lightning overvoltages caused by indirect or direct strikes are analyzed to get the lightning performance of the lines. The best scenario was chosen and performance of the lines were improved significantly by installing overhead ground wire and improvement of lightning arrester installation.
Zoro, et al., Studi Sistem Pengaman Jaringan Listrik PT PLN (Persero) Unit Bisnis Distribusi Jawa Barat dan Banten Cabang Depok - Final Report, PT. Lapi Elpatsindo, December 2002.
Zoro, R. & Suhana, H., Improvement of Lightning Protection System on Distribution Lines: A Case Study at South-Jakarta, Indonesia, in Proc. of Seminar Nasional Ketenagalistrikan, 2004, SN-112.
Zoro, et al., Studi Pengaman Terhadap Sambaran Petir PT. PLN (Persero) Distribusi Jawa Barat dan Banten di APJ Depok dan APJ Bogor – Final Report, LPPM ITB, May 2005.
Sirait, K.T. & Zoro, R., Application of Lightning Peak Current Measurement System at Mnt. Tangkuban Perahu, Asian Conference on Electric Discharged (ACED), Bandung, 1990.
IEEE Guide for Improving Lightning Performance of Electric Power Distribution Lines, IEEE Standard 1410-1997, IEEE Power Society, New York, 1997. 140 Reynaldo Zoro, et al.
Hoidalen, Hans Christian, Analitycal Formulation of Lightning Induced Voltage on Multiconductor Overhead Lines Above Lossy Ground, IEEE Transaction on Electromagnetic Compability, 45(1), February 2003.
Zoro, R., Bambang, N. & Mefiardhi, R., Evaluation and Improvement of Lightning Protection on Transmission and Distribution Lines Using Lightning Detection Network, in Proc. of 27th International Conference on Lightning Protection, 2004, 6p.13.
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