Investigation of High Voltage ACSR Transmission Line Dead End Connector Fault
Arionmaro Asi Simaremare (a*), Nur Widi Priambodo (a), Putu Agus Aditya Pramana (a), Buyung Sofiarto Munir (a)

a) PLN Research Institute, Jalan Duren Tiga No 102, Jakarta 12760, Indonesia

Abstract

Transmission lines plays important roles in delivering electric energy from generation site closer to the customer. Failure of a transmission line can cause significant economic loss due undelivered energy and may lead to catastrophic system black out. One critical part of transmission line is dead end connector, thus ensuring good condition of transmission line dead end connector is critical to avoid extensive losses. This paper investigates the cause of failure of dead end connectors that were installed in 150 kV ACSR lines. The failed connectors were examined and tested to find out the cause of the breakdown. Several samples of suspected bad connectors are also tested for comparison. Simulations using finite element software were conducted to provide broader insight on failure propagation. The investigation found that the dead end connectors were failed due to high current flowing through the steel part of the conductor which is caused by high contact resistance between the aluminum part of the conductor and the connector. Further study is needed to mitigate similar condition to occur in the dead end connector installation

Keywords: dead-end connector; contact resistance; finite element

Topic: Electrical Engineering

Link: https://ifory.id/abstract-plain/TdQYX8ZF9RrE

Web Format | Corresponding Author (Arionmaro Asi Simaremare)