On July 5, 2025, the 370MVA/500kV ultra-high voltage split transformer independently developed by Jiangsu Huapeng Transformer Co., Ltd. was successfully connected to the grid in the Brazilian State Grid, marking a major breakthrough in China's high-end power equipment in the South American market. The successful operation of the transformer not only demonstrates the leading strength of Made in China in the field of UHV, but also sets a new milestone for China-Pakistan power cooperation.

The 370MVA/500kV splitting transformer put into operation this time is the core equipment of Jiangsu Huapeng tailored to the special needs of the Brazilian power grid. The product adopts an innovative split structure design, which has the technical advantages of large capacity, low loss and strong anti-short circuit ability, which can effectively meet the strict requirements of long-distance transmission of Brazilian power grid. In the process of research and development, Jiangsu Huapeng has overcome a number of technical problems, especially in the insulation performance and heat dissipation design under tropical climate conditions.

According to the person in charge of the project, the transformer has passed a full set of type tests including lightning impact, temperature rise, short circuit bearing, etc. before leaving the factory, and all performance indicators are better than IEC international standards. In order to ensure the smooth operation of the equipment, Jiangsu Huapeng also set up a team of technical experts to provide on-site guidance in Brazil, and completed the installation and commissioning work in only 72 hours, and its professional and efficient service has won high praise from the Brazilian side.

The success of this cooperation is an important achievement of Jiangsu Huapeng's implementation of the Belt and Road Initiative. In recent years, the company has continued to increase its efforts to develop the international market, and its products have been exported to more than 50 countries and regions around the world. As the largest power market in South America, Brazil's power grid construction is in a critical period of upgrading, which provides a broad space for the development of China's power equipment enterprises.

Industry experts said that the successful operation of Jiangsu Huapeng 500kV transformer not only enhanced the brand influence of Made in China in the international high-end power market, but also laid a solid foundation for the follow-up in-depth cooperation between China and Pakistan in the fields of UHV transmission and smart grid. As more Chinese power equipment goes global, China's technical standards are playing an increasingly important role in the construction of global energy infrastructure.(This article is from the official website of Seetao www.seetao.com. Reprinting without permission is strictly prohibited. Please indicate Seetao.com + original link when reprinting) Seetao.com Strategy Column Editor/Sun Fengjuan