The dry type transformer core is one of the most critical components in ensuring reliable and efficient power distribution. It plays a decisive role in converting electrical energy from one voltage level to another while maintaining high safety standards and minimizing energy losses. Unlike oil-immersed transformers, dry type transformers are widely adopted in commercial, industrial, and residential environments where fire safety, low maintenance, and eco-friendliness are essential. At the heart of this system lies the transformer core, a carefully engineered structure that directs magnetic flux, reduces energy waste, and provides the foundation for consistent and stable performance. Understanding the purpose of the core is key to appreciating why dry type transformers are a preferred choice across multiple industries.