cast coil transformer
A cast coil transformer represents a significant advancement in electrical distribution technology, combining robust construction with reliable performance. These transformers feature windings that are entirely encased in epoxy resin through a specialized vacuum casting process, creating a solid, maintenance-free unit that excels in challenging environments. The design integrates high-voltage and low-voltage windings with superior insulation properties, ensuring optimal electrical performance and safety. The epoxy resin encapsulation provides exceptional protection against moisture, dust, and chemical contaminants, while also offering superior thermal properties for efficient heat dissipation. Cast coil transformers operate across a wide range of voltages, typically from 5 kV to 35 kV, making them versatile for various industrial applications. Their compact design optimizes space utilization while maintaining high efficiency ratings, often exceeding 98%. These transformers are particularly valued in indoor installations where traditional oil-filled transformers would pose safety risks, such as high-rise buildings, hospitals, and manufacturing facilities. The self-extinguishing properties of the epoxy resin enhance safety features, while the absence of liquid coolants eliminates the risk of environmental contamination.