110kV Oil-Immersed Transformer

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110kV Oil-Immersed Transformer

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.

Ключевые характеристики

Номинальная мощность

10-100 MVA

Класс напряжения

110kV / 38.5kV / 10.5kV

Диапазон ответвлений

HV +/- 8 x 1.25%

Область применения

Grid Transmission / Industry / Renewable Energy

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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.

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