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In South America, one popular type of power transformer used extensively in electrical power transmission and distribution systems is the oil-immersed three-phase power transformer. These transformers are designed to handle the varying voltage levels across the region, which can range from low voltage distributions (e.g., 400/230V) to high voltage transmissions (69kV up to 500kV or more).
Key features of these transformers include:
Oil-Immersed: They use mineral oil or silicone oil as a coolant and insulator. The oil helps dissipate heat generated during operation and provides arc quenching properties.
Three-Phase: These transformers are designed for three-phase electric power systems, which are common in grid networks due to their efficiency and reliability.
Outdoor Installation: Many models are designed for outdoor installation, considering the diverse climate conditions in South America, from tropical rainforests to arid deserts and cold mountain regions. They often come with weather-resistant enclosures to protect against environmental factors.
Customization: Manufacturers offer customized designs to meet specific grid requirements, including voltage transformation ratios, power capacity, and special features like tap changers for voltage regulation.
Energy Efficiency: With growing emphasis on energy conservation, transformers with high-efficiency ratings (as per IEC or local standards) are increasingly popular. This includes amorphous core transformers, which have lower losses compared to conventional silicon steel core transformers.
Some well-known international and local manufacturers supplying power transformers in South America by catering to utility companies, industrial installations, and infrastructure projects across the continent.
