engleski

Application of Lightning Locating System for Improvement of Medium Voltage Power Systems Planning and Operation

The paper describes the application of lightning data based on the Lightning Locating System (LLS) for the improvement of planning and operation of the medium voltage power system. A certain number of all failures, which are caused by lightning, results in permanent damage to the equipment on the overhead distribution line. Correlating the data of lightning discharges and the information on the events in the power system one can obtain valuable information necessary to decide on the measures to improve the reliability of electricity supply. Emphasis will be given to the application of correlation between failures and outages in the medium voltage distribution network and lightning. The analysis was carried out on typical overhead medium voltage power lines with LLS data and data on failures in the power network registered in the period from 2012 to 2015. Temporal and spatial correlations were conducted in order to develop a method for determining the probability of lightning caused outages of the overhead line in the medium voltage power system. Once calculated this outage, the probability function allows the determination of the optimal line route with respect to the overall long term cost.

Lightning ; lightning location system ; relay protection ; temporal and spatial correlation ; failures ; outages ; medium voltage overhead lines

nije evidentirano