6300 kVA 33kV Three-Phase Oil-Immersed Power Transformer

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6300 kVA 33kV Three-Phase Oil-Immersed Power Transformer

This 6300 kVA oil-immersed power transformer is designed for medium- to high-capacity transmission and distribution applications in utility, industrial, and infrastructure projects. It provides stable electrical performance, reliable oil-based cooling, and flexible configuration options for low-voltage outputs, frequency requirements, and accessory selections.

Technical Parameters & Ratings

IEC / ANSI CertifiedFactory Standard
Rated Capacity6300 kVA
High Voltage33 kV
Low Voltage6.3 kV / 6.6 kV / 10 kV / 11 kV / customized
Frequency50 Hz / 60 Hz
PhaseThree Phase
Cooling MethodONAN / ONAF optional
Vector GroupYNd11 / Dyn11 / Yyn0 / customized
Tap ChangerOff-circuit tap changer / on-load tap changer optional
Tapping Range±2 x 2.5% / ±5% / customized
Winding MaterialCopper / Aluminum
Core MaterialCRGO silicon steel
Insulation MediumMineral insulating oil
Tank TypeConservator tank / sealed tank optional
AccessoriesBuchholz relay, oil level gauge, thermometer, pressure relief device, valves
Impedance VoltageAccording to standard / customized
No-Load LossAccording to standard / customized
Load LossAccording to standard / customized
StandardIEC / customized project specification
InstallationOutdoor
ApplicationUtility substations / industrial plants / infrastructure and regional power systems

Technical Highlights

  • This product combines dependable transformer platform design, flexible project configuration, and practical export-oriented construction. It is suitable for applications requiring stable electrical performance, configurable voltage ratios, outdoor durability, and documentation support for international project supply.

Application Scenarios

  • Utility substations
  • Industrial plants and heavy-load facilities
  • Infrastructure and public utility projects
  • Regional transmission and distribution networks
  • Commercial and industrial power systems

Key Features

  • 6300 kVA rated capacity for medium- to large-scale transmission and distribution projects
  • high-voltage design suitable for substations and industrial power systems
  • Oil-immersed structure for stable cooling performance and dependable long-term operation
  • Available with copper or aluminum windings according to project and budget requirements
  • Suitable for IEC-based specifications and project-oriented customization
  • Outdoor installation design with configurable accessories and protection devices

Optional Configurations

  • Low-voltage side rating and voltage ratio
  • Frequency: 50 Hz or 60 Hz
  • Vector group and tapping range
  • Copper or aluminum winding
  • Cooling method, accessory package, and monitoring option
  • Tank structure, coating system, and special environmental adaptation
  • Color, nameplate language, and document package
  • Ambient temperature, altitude, and installation condition adaptation
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