Simulation and analysis of voltage surge and surge arrester in transmission Lines
Zining Liu
The University of New South Wales Sydney
DOI: https://doi.org/10.59429/esta.v12i3.11359
Keywords: voltage surge; circuit breaker; surge arrester; transient recovery voltage (TRV); switching transients; transmission line; PSCAD/EMTP; breaker Arc
Abstract
The stability and reliability of electrical power systems are critically dependent on effective protection schemes. The transmission system, in particular, is the most frequent site of electrical incidents due to the high voltages and complex environmental conditions it endures. Surges on transmission lines often lead to severe consequences, including equipment failure, corona discharge, and insulation breakdown. This report aims to analyze two primary adverse phenomena on transmission lines: internal switching transients and external lightning surges. By simulating their practical occurrences, we analyze their characteristics and impacts. Furthermore, we test the performance of a core protective device—The surge arrester—And propose optimization strategies, providing a reference for future solutions.
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