220kV Voltage Transformer for GIS

The 220kV Voltage Transformer for GIS is a voltage conversion device designed for gas-insulated switchgear (GIS). It features a fully enclosed high-voltage shielding structure and a low-loss, high-saturation iron core. This transformer offers high measurement accuracy, low excitation loss, compact size, easy installation, excellent sealing performance, stable and reliable operation, and requires no maintenance during operation.

The 220kV Surge Arrester for GIS is designed to limit overvoltage and protect power equipment within GIS systems. It uses high-gradient metal oxide resistors, offering a large current-carrying capacity, low leakage current, low residual voltage, fast response time, and a compact design. This product has been successfully applied in projects such as the ±800kV Suidong Converter Station under China Southern Power Grid and the Zhoushan Flexible DC Converter Station under State Grid Zhejiang.