8000 kVA 33kV Three-Phase On-Load Tap Changer (OLTC) Transformer

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8000 kVA 33kV Three-Phase On-Load Tap Changer (OLTC) Transformer

This 8000 kva three-phase on-load tap changer (oltc) transformer is configured for a specific operating condition, application environment, or project requirement. It combines proven transformer platform design with targeted customization for winding material, environmental resistance, monitoring, voltage regulation, or special-duty performance according to export project needs.

Technical Parameters & Ratings

IEC / ANSI CertifiedFactory Standard
Rated Capacity8000 kVA
High Voltage33 kV
Low Voltage0.4 kV / 0.415 kV / 0.433 kV / customized
Frequency50 Hz / 60 Hz
PhaseThree Phase
Cooling MethodONAN / ONAF optional
Vector GroupDyn11 / Yyn0 / YNd11 / customized
Tap ChangerOn-load tap changer (OLTC)
Tapping Range±8 x 1.25% / customized
Winding MaterialCopper / Aluminum
Core MaterialCRGO silicon steel
Insulation MediumMineral insulating oil
Tank TypeCorrugated tank / conservator tank optional
Impedance VoltageAccording to standard / customized
No-Load LossAccording to standard / customized
Load LossAccording to standard / customized
StandardIEC / customized project specification
InstallationOutdoor
ApplicationUtility distribution / industrial power / infrastructure projects

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 distribution networks
  • Industrial plants and workshops
  • Commercial buildings and mixed-use developments
  • Public infrastructure projects
  • Regional and municipal power distribution systems

Key Features

  • Designed for electrical control, automation, and load-side switching functions
  • Configurable internal component arrangement according to process and feeder requirements
  • Supports communication, metering, and interface options for smart plant integration
  • Cabinet construction suitable for industrial and infrastructure environments
  • Project-oriented documentation, labeling, and wiring scheme support available
  • Suitable for export supply and customized control-package delivery

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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