overhead line Archives

How Do Overhead Electric Lines Work In a Railroad Electrification System?

06/26/2024

Overhead electric lines completed by the construction of overhead cables are one of the most common methods used in railroad electrification. However, early reliance on battery-powered trains will become an essential option in some areas. But for now, as global industrialization accelerates, annual carbon emissions continue to multiply, and the …

U.S. media speculate on the cause of the fire in Hawaii: bare conductor, tilted poles

08/29/2023

The U.S. island of Maui, Hawaii, ignited a fire on August 8th. As of the evening of the 28th local time, the wildfire has led to at least 115 deaths and caused more than billions of dollars in losses. However, the trigger for such a serious public safety incident may …

Milestone achieved in Shetland HVDC Link project

04/14/2023

The picture shows the cable tower of the high-voltage overhead cable at sunset.

A major milestone was reached in the installation of the Shetland high voltage transmission line Link project in the UK with the successful connection of the 320 kV high voltage transmission cable by NKT and two companies, Scottish and Southern Energy (SSEN Transmission). The following is an introduction to …

What is known about low voltage cable?

02/20/2023

The figure shows one of the most common low-voltage overhead lines.

A cable is a conductor that is covered with an insulation layer, a protective layer, a shield, etc., used to transmit electrical or signal current or signal voltage. They can be divided by voltage into high-voltage cables, medium-voltage cables, and low voltage cables. Low voltage cable lines in the low voltage ABC lines and …

Future Trends in the Global Overhead Cable Market

10/25/2022

Global Overhead Cable Market Size 2020-2024 —Comparison by Data According to the latest Research report released by Markets Research Engine, the global overhead cable market size is called upon to exceed USD 80.5 billion by 2024, growing at a compound annual growth rate (CAGR) of 6% during the period. Increasing …

Application and Function of Overhead Cable

04/29/202204/26/2022

Overhead transmission lines are generally composed of foundations, towers, hardware, insulators, wires, ground wires (including OPGW optical cables), and grounding facilities. Above the conductors of overhead transmission lines, the power lines erected to avoid direct lightning strikes on the conductors of the transmission lines are both overhead ground wires (referred …