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110kV Oil-Immersed Transformer
The 110kV oil-immersed transformer is a high-voltage transformer widely used in the step-up and step-down conversion of power systems. It is an indispensable part of the power system due to its excellent insulation performance and large capacity.
Quick Specifications
Power Rating
10-100 MVA
Voltage Class
110kV / 38.5kV / 10.5kV
Tap Range
HV +/- 8 x 1.25%
Application
Grid Transmission / Industry / Renewable Energy
Product Overview
The 110kV oil-immersed transformer is a high-voltage transformer widely used in the step-up and step-down conversion of power systems. It is an indispensable part of the power system due to its excellent insulation performance and large capacity.
Application Scenarios
- Urban and regional transmission substations
- Large industrial power supply systems
- Renewable energy power stations
- Grid step-up and step-down conversion projects
Applicable Standards
- GB 1094-2013 Power Transformer
- GB/T 6451-2015 Technical Parameters and Requirements for Oil-Immersed Power Transformers
- IEC 60076 Power Transformers
Normal Service Conditions
- Installation altitude below 1000 meters.
- Highest ambient temperature: +40 degrees Celsius.
- Highest daily average temperature: +20 degrees Celsius.
- Lowest outdoor temperature: -25 degrees Celsius.
Performance Parameters
110kV Series Technical Parameter Table
| Model | Capacity (kVA) | No-Load Loss (kW) | Load Loss (kW) | No-Load Current (%) | Impedance (%) | Total Weight (t) | Transport Weight (t) | Voltage Combination (kV) |
|---|---|---|---|---|---|---|---|---|
| SSZ11-16000/110 | 16000 | 14.5 | 72.0 | 0.70 | 10.5 / 17 / 10.5 | 40 | 32 | 110 +/- 8 x 1.25 / 38.5 / 10.5 |
| SSZ11-25000/110 | 25000 | 20.5 | 105.0 | 0.65 | 10.5 / 17 / 10.5 | 55 | 44 | 110 +/- 8 x 1.25 / 38.5 / 10.5 |
| SSZ11-40000/110 | 40000 | 29.4 | 148.0 | 0.60 | 12.0 / 18 / 12.0 | 75 | 60 | 110 +/- 8 x 1.25 / 38.5 / 10.5 |
| SSZ11-63000/110 | 63000 | 41.6 | 208.0 | 0.55 | 12.0 / 18 / 12.0 | 110 | 88 | 110 +/- 8 x 1.25 / 38.5 / 10.5 |
FAQ
A 110kV transformer serves as the regional main artery of the power grid. It is used for both transmission and distribution, mainly supplying power to cities, large industrial facilities, and renewable energy power stations, then stepping the voltage down through transformers for end users.
In general, the common capacity range of a 110kV transformer is about 10 MVA to 100 MVA.
Related Models in Oil-Immersed Transformers
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