110kV H-type oil immersed power transformer

The H-series large transformer is a high-quality product produced by introducing Hitachi's design drawings, construction techniques, and management methods. The product complies with the national standard GB1094-1996 "Power Transformers" and the recommended standard IEC76-1993 by the International Electrotechnical Commission. It has the characteristics of low loss, low crying sound, and strong short-circuit resistance. It has been widely used in various substations and power plants and has received unanimous praise from users. The SFSZ9-31500/110 (H) on load voltage regulating power transformer passed the joint appraisal of the Ministry of Machinery and the Ministry of Electric Power in 1999.