Oil Cooled Transformer

Powering Renewable Energy with Precision.
Oil Cooled Transformers engineered for high performance, efficiency, and durability in grid-connected renewable applications.

Oil Cooled Transformer

Powering Renewable Energy with Precision.
Oil Cooled Transformers engineered for high performance, efficiency, and durability in grid-connected renewable applications.

Overview

ECS Oil Cooled Transformers are purpose-built for demanding renewable energy and industrial applications. Designed to deliver reliable power transformation, these transformers comply with Indian and international standards, ensuring safety, performance, and long service life.

With robust harmonic resistance, optimized flux density, and low current density, they minimize losses, reduce overheating, and ensure stable grid integration for solar and wind projects.

Key Features

Specially designed for grid-connected solar and wind energy systems
Designed to ensure excellent mechanical and electrical integrity
Ensures thermal stability and extended operational life

Applications

Technical Specifications

Parameter Value
Power Range Up to 70 MVA
Voltage Class Up to 132 kV
Construction Two-winding to Five-winding configurations
Winding Material Electrolite Copper or Aluminium
Design Standard Complies with Indian and International standards for quality and safety
Applicable Standard Complies with IS, IEC, IEEE and CBIP standards
Connection Interfaces
  • HV & LV Outdoor Bushings
  • Cable Boxes
  • Bus Ducts / Bus Bar Risers
Design Standards
  • Low flux density to reduce harmonics, inrush current and noise level
  • Low current density to reduce copper losses
  • Robust mechanical arrangement to withstand cyclic loads and variation of temperature
  • Cooling: ONAW / ONAF / KNAN / KNAF / OFWF
  • Power Transformers (step-up and step-down)
  • Inverter duty copper and aluminium winding
  • Suitable for renewable energy generation
  • Multipulse up to 24
  • Extended delta
  • Isolation transformers
  • Earthing transformers
  • Furnace transformers
  • Auto transformers

Compliance & Certification

  • IS and IEC Standards Compliant
  • Type-tested at NABL-approved testing laboratories (ERDA/CPRI)

Reliable measurement. Safe design. Trusted performance.

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Oil Cooled Transformer
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