Comprehensive Guide to Transformer Technology: From Principle to Selection
According to the different insulation media, transformers are mainly divided into two categories: oil immersed transformersand Dry-Type Transformers, each with its unique advantages and application scenarios.
Oil Immersed Transformers use mineral oil as the insulation and cooling medium, which has the characteristics of good heat dissipation performance, strong overload capacity, and low cost. They are widely used in large capacity distribution scenarios such as outdoor substations and industrial and mining enterprises. However, oil immersed transformers also have issues such as flammability and complex maintenance, so they need to be used with caution in some special places such as high-rise buildings and underground substations. In contrast, dry-type transformers use epoxy resin casting or air insulation, which have advantages such as fire and explosion prevention, maintenance free, and environmental protection. They are particularly suitable for places with high safety requirements such as commercial centers, hospitals, and data centers.
In recent years, the emergence of amorphous alloy transformers has further promoted technological innovation in the industry. Compared with traditional silicon steel transformers, amorphous alloy transformers reduce no-load losses by 60% to 80% and have significant energy-saving effects, especially suitable for distribution networks with large load fluctuations. In addition, significant progress has been made in the research and development of intelligent transformers, which have achieved real-time status assessment and predictive maintenance of transformers by integrating functions such as temperature monitoring and partial discharge detection.
When choosing a transformer, users need to consider factors such as load characteristics, installation environment, and energy efficiency level comprehensively. For example, SCB14 dry-type transformers and S13 oil immersed transformers are currently the most energy-efficient products, which can help users reduce operating costs. Meanwhile, it is crucial to choose manufacturers with comprehensive qualifications and rich project experience. The transformer series products produced by Hangbian Power Technology Co., Ltd. not only comply with international standards such as GB 1094 and IEC 60076, but also develop customized models for special environments such as moisture-proof and anti-corrosion to meet the diverse needs of customers.
The daily maintenance of transformers cannot be ignored. Regular winding resistance testing, insulation resistance measurement, and oil chromatography analysis (for oil immersed types) are key to ensuring long-term stable operation of equipment. With the advancement of carbon neutrality goals, high-efficiency and energy-saving transformers will become mainstream in the market, and Hangbian Power Technology Co., Ltd. will continue to invest in research and development to provide customers with greener and smarter transformer products.










