The 12.5 MVA 66/33 KV three-phase oil-immersed power transformer boasts a rated power of 12,500 KVA. As a step-down transformer, it features a primary voltage of 66 KV and a secondary voltage of 33 KV. The windings are made of copper, chosen for its superior conductivity, high thermal conductivity, and corrosion resistance compared to other metals.
Our 12.5 MVA transformer is crafted with advanced technology and premium materials, ensuring reliability and longevity. Every transformer we deliver undergoes a comprehensive acceptance test, and we maintain a fault-free record spanning over 10 years. Our oil-immersed power transformers adhere to IEC, ANSI, and other major international standards.
Model: SFZ11-12500-66/33
Applicable Standard: IEC60076
Rated Power: 12.5MVA
Frequency: 60HZ
Phase: 3
Primary Voltage: 66 KV
Secondary Voltage: 33 KV
Vector Group: Ynd1
Impedance: 10%
Tapping Range: ±8*1.25%
The cooling method of an oil-immersed transformer can vary and typically encompasses several approaches.
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