High Voltage Transmission Line Protection Using Shielding Method

摘要

This paper describes shielding method for lightning protection on high voltage transmission line and also how to protect lightning effects on the line. If the fault is present, additional power system will be damaged and minimizing system reliability. This shielding method used in transmission line bases the unequal lightning ground flash density all over the country. This paper is tend to specialize Myanmar country. The high number of power outages that are attributed to lightning does not only affect Myanmar but also other countries all over the world. The test line especially for 230 kV level results indicated a marked improvement of the shielding method based on lightning performance of the new project line. This paper discusses how to choice the shield wires location by using shielding method.