en.Wedoany.com Reported - Brazilian energy company AXIA Energia has completed the installation of an overhead protective structure at the Guarulhos substation in the São Paulo Metropolitan Area, covering an area of approximately 50,000 square meters with an investment of 11 million reais. According to the company, this network is the largest protective network of its kind implemented in the Brazilian power system, designed to reduce power outages caused by external factors such as falling kites and balloons.

Antônio Varejão, Vice President of Operations and Safety at AXIA Energia, stated that the Guarulhos substation is located in a high population density area, and the overhead covering will bring greater safety and reliability, preventing unplanned power outages. The protective net is made of high-density polyethylene, a material that is insulating, waterproof, and resistant to ultraviolet radiation. Before implementation, the company tested samples in the laboratory by applying AC and DC voltages, simulating the thermal and humidity conditions of substation operation, and testing characteristics such as strength, service life, and conductivity when in contact with energized equipment. The results showed the material has high resistance and low conductivity.

According to Maintenance Coordinator and Project Leader Bruno Brandão Moreira, the team structurally reinforced the busbars to support the new protection system. The installation was carried out using the "live-line working method," allowing operations to be performed without power shutdowns. He stated that the highlight of this initiative lies in developing an innovative solution and creating a live-line installation procedure, ensuring maximum team safety and power system operational reliability during execution. The solution has been submitted to the National Electric System Operator (ONS), which has recommended that other substations in the National Interconnected System adopt this technology. The Guarulhos substation operates at a voltage of 345 kV and plays a vital role in supplying and transmitting electricity to millions of residential, commercial, and industrial users in the São Paulo Metropolitan Area.

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