State Grid Corporation of China Typical 550 kV Transformer

State Grid Corporation of China T

Transformer 07/17/2026 4

Product Model:​ ODFS-334000/500 Rated Capacity:​ 334 / 334 / 100 MVA Voltage Combination:​ (525/√3 kV) / (230/√3 ± 2×2.5%) / 36 kV Cooling Method:​ ONAN/ONAF (70%/100%) Vector Group:​ Ia0i0 The ODFS-334000/500 power transformer, designed and manufactured by our company, is a typical product of State Grid Corporation of China. It features a rational structure, reliable insulation, low losses, low partial dischar??


240 MVA Power Transformer

240 MVA Power Transformer

Transformer 07/17/2026 3

The SSZ11-240000/220 power transformer is a flagship product manufactured by our company. We utilize advanced computer simulation software to analyze and calculate the electromagnetic, mechanical, and thermal characteristics of the transformer, guiding the structural design to achieve a more rational and optimized layout. The product features low losses, low temperature rise, low partial discharge, low noise, and high short-ci??


State Grid Corporation of China Typical 110 kV Transformer

State Grid Corporation of China T

Transformer 07/17/2026 3

Product Model:​ SZ11-50000/110 Rated Capacity:​ 50/50 MVA Voltage Combination:​ 110±8×1.25% / 10.5 kV Cooling Method:​ ONAN (Oil Natural Air Natural) Vector Group:​ YNd11 The SZ11-50000/110 power transformer, designed and manufactured by our company, has successfully passed the short-circuit withstand verification test of State Grid Corporation of China (SGCC) and the 110 kV transformer qualification review of ??


SFZ-150000-138 Transformer

SFZ-150000-138 Transformer

Transformer 07/17/2026 2

This product complies with both IEEE (American) and CSA (Canadian) standards. It features low losses, low temperature rise, high short-circuit withstand capability, and the ability to operate under extreme low-temperature cold-start conditions down to -50°C. The industry-first gas-guided structure has successfully passed the CSA-unique gas collection test in a single attempt. The product is now operating safely at the Claresholm ??


OSFPSZ-750000-500 Transformer

OSFPSZ-750000-500 Transformer

Transformer 07/17/2026 3

This product has thoroughly resolved key technical challenges such as short-circuit withstand capability, coil hot-spot temperature rise, local overheating, partial discharge, oil flow electrification, and noise. All its technical performance indicators rank at the domestically leading level. The product is currently in operation at the Houshi Power Plant Station in Zhangzhou, Fujian Province, and has received high recognition fr??


OSFPSZ22-360000-330 Transformer

OSFPSZ22-360000-330 Transformer

Transformer 07/17/2026 3

This product features ultra-low losses, low noise, low partial discharge, strong short-circuit withstand capability, and no local overheating. It meets the Level 1 energy efficiency standard under the new energy efficiency regulations. The product offers stable performance and reliable quality, with all technical performance indicators ranking at the domestically leading level. It is mainly applied in State Grid projects and new ??


ODFPS-1000000-1000 UHV Transformer

ODFPS-1000000-1000 UHV Transf

Transformer 07/17/2026 4

Technical Parameters & Product Description Rated Capacity:​ 1,000 / 1,000 / 334 MVA Voltage Combination: HV: (1,050/√3) kV MV: (525/√3 ± 4 × 1.25%) kV LV: 110 kV Cooling Method: Main unit: OFAF (Forced Oil / Forced Air) Voltage regulation & compensation unit: ONAN (Oil Natural / Air Natural) Connection Symbol:​ Ia0i0


HKDSPZ-11000-35 Electric Furnace Transformer

HKDSPZ-11000-35 Electric Furna

Transformer, 未分类 07/17/2026 2

This product is a dedicated electric furnace transformer specially designed for industrial silicon material smelting. It features strong overload capacity, outstanding short-circuit resistance, low losses, compact size, and light weight. The transformer has been applied in major industrial silicon projects, including the Western and Eastern Hoshine Industrial Silicon Projects of Hoshine Silicon Industry Group — a world-leading en??


BKD-70000-500 Reactor

BKD-70000-500 Reactor

Transformer 07/17/2026 4

The product complies with IEEE, ANSI, and other American standards. It has undergone three-dimensional simulation calculations conducted by the U.S. seismic analysis company WEGAI and obtained a high-level seismic analysis report. Featuring low losses, low noise, and low vibration, the product is currently in operation at the MCCULLOUGH Station of the Los Angeles Department of Water and Power (LADWP), USA. With reliable performan??