The S9 series of 20KV non-excitation voltage regulating oil-immersed transformer produced by ZTelec Group are the latest series of low-loss copper winding products.
High-quality materials are used in this series of products, and new techniques and materials are used in the coil and insulation, greatly decreasing no-load and on-load loss.
This series of products possess more reliable and superior performance and structure, and have become the main equipment required for the construction and reconstruction of the national urban and rural power grid which are recommended by the State Economic and Trade Commission.
Altitude(m): 100 meters or less
Insulation Class: A Class
Tap Range: ±5%、±2*2.5%
Voltage Regulating Mode: No-load Voltage Regulating
Executive Standard: IEC60076 & National Standard
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