Primary Voltage Ratings: 6 kV, 6.3 kV, 10 kV, 10.5 kV, 11 kV, 13.8 kV, 20 kV, 22 kV, 33 kV, 35 kV, 66 kV, 69 kV, 110 kV or others
Secondary Voltage Ratings: 100V/120V/150V/200V/250V/300V/400V/480V/600V/690V/800V/1000V/1200V or others
H.V. TAP RANGE: ±5%, ±8×1.25%, multi-step voltage regulation or others
VOLTAGE REGULATION: Off-circuit tap changer, on-load tap changer, 9-step, 17-step, 19-step, 23-step, 27-step or customized
CONNECTION TYPE: Yd11, Dd0, Dyn11, YNd11, Yy0, Dd0+d0, Yd11+d11, phase-shifting connection or others
TYPE: Oil Immersed Special Transformer
COOLING METHOD: ONAN, ONAF, OFAF, ODAF, OFWF or others
BIL: up to 550 kV or customized according to voltage class
Standards: IEC, IEEE, GB, JB, EN
Application: Electric arc furnace, ladle furnace, submerged arc furnace, ferroalloy furnace, calcium carbide furnace, steelmaking, metallurgy, chemical industry
Power Rating: 1000kVA, 1250kVA, 1600kVA, 2000kVA, 2500kVA, 3150kVA, 4000kVA, 5000kVA, 6300kVA, 8000kVA, 10000kVA, 12500kVA, 16000kVA, 20000kVA, 25000kVA, 31500kVA, 40000kVA, 50000kVA, 63000kVA or others

According to international standards:

1. IEC 60076 Power Transformers;
2. GB/T 1094 Power Transformers;
3. GB/T 6451 Specification and technical requirements for oil-immersed power transformers;
4. IEC 60214 Tap-changers;
5. JB/T 9640 Electric Arc Furnace Transformers;
6. JB/T 5344 Submerged Arc Furnace Transformers;
7. ANSI/IEEE C57.12 Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers;
8. EN 60076 Power Transformers;
9. GOST R 52719 Power Transformers – General Specifications.

The transformer adopts a reinforced insulation structure, high mechanical strength winding design, low-loss magnetic circuit, reliable oil cooling system, and strong short-circuit withstand capability. It is suitable for frequent switching, impact load, overload operation, and harsh furnace operating conditions.