750kV Oil-Immersed Power Transformer
Product Characteristics
The power transformers designed and manufactured by the company have a complete range of products and stable performance. All technical performance indicators are in the forefront of the transformer industry in China. The products have the advantages of reasonable structure, reliable insulation, low loss, low partial discharge, low temperature rise, low noise, strong anti-short circuit ability, strong anti-lightning impulse ability, no leakage, etc. The main technical performance indicators have reached the international advanced level. Products have been exported to more than 20 countries and regions such as the United States, Canada, Russia, and Indonesia.
Product Parameters

Rated capacity (kVA)

Voltage combination

Vector group

Three-phase vector group

No-load loss at rated frequency and rated voltage

(kW)

Load loss at high-medium main tap

(kW)

No-load

current

(%)

Short circuit impedance (%)

Capacity distribution (MVA)

High Voltage (kV)

Medium voltage (kV)

Low voltage (kV)

334

765/√3

230/√3±2x2.5%

63

Ia0I0

YNa0d11

≤95

≤570

≤0.15

High-Medium 14±5%

High-Low 50±10%

Medium-Low 33±7.5%

334/334/100

500

≤110

≤860

≤0.15

High-Medium 19/22±5%

Height 46±10%

Medium-Low 4/33/±7.5%

500/500/150

500

345/√3±2x2.5%

≤125

≤860

≤0.15

High-Medium 14±5%

High-Low 50±10%

Medium-Low 33±7.5%

500/500/150

700

≤130

≤1225

≤0.15

High-Medium 18±5%

High-Low 58±10%

Medium-Low 36±7.5%

700/200/233