Traveling Wave-Based Fault Location for Gas Insulated Substations

Abstract

With the growing demand for solutions to prevent and resolve faults in gas-insulated substations that affect the operation of the electrical system, a fault simulation laboratory for gas-insulated substations was developed to develop solutions for monitoring and locating these faults. The laboratory is composed of instruments for a fault location system based on traveling wave theory. The laboratory also has computational programs for fault simulation control and signal acquisition, in addition to having tools to analyze the data. The results were obtained through tests carried out that confirmed the laboratory's ability to simulate the operation of faults in gas-insulated substations, which allowed demonstrating the capacity of the fault location system using the theory of traveling waves.

Keywords:
Simulation laboratory; Fault location; Traveling waves; Gas insulated substations

HIGHLIGHTS

• A faulty simulation laboratory was development to simulate faults in gas insulated substations.

• A comprehensive study was carried out to select the best sensors and data analysis capabilities to treat the problem.

• The traveling waves theory is used to locate the position of a fault in the pipes.

• The results show the effectiveness of the fault location system.