Como funcionam as linhas elétricas aéreas em um sistema de eletrificação ferroviária?

Overhead electric lines completed by the construction of overhead cables are one of the most common methods used in railroad electrification. No entanto, 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 global warming trend becomes moreLer mais

NÓS. mídia especulam sobre a causa do incêndio no Havaí: condutor nu, Pólos inclinados

A hill fire under overhead cables.

Os EUA. 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. No entanto, the trigger for such a serious public safety incident may have been caused by theLer mais

Marco alcançado no projeto Shetland HVDC Link

A imagem mostra a torre do cabo aéreo de alta tensão ao pôr do sol.

Foi alcançado um marco importante na instalação do projecto Link da linha de transmissão de alta tensão das Shetland, no Reino Unido, com a ligação bem sucedida da 320 Cabo de transmissão de alta tensão kV da NKT e duas empresas, Energia Escocesa e do Sul (Transmissão SSEN).   The following is an introduction to high-voltage transmission cables. Cables areLer mais

O que se sabe sobre o cabo de baixa tensão?

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, cabos de média tensão, and low voltage cables. Low voltage cable lines in the low voltage ABC lines and low voltage overhead insulated lines, althoughLer mais

Future Trends in the Global Overhead Cable Market

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) de 6% during the period. Increasing demand for electricity as theLer mais

Aplicação e função do cabo aéreo

Overhead transmission lines are generally composed of foundations, torres, hardware, insulators, fios, 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 to as ground wires), também … Ler mais