LIQUID FILLED POWER TRANSFORMERS

Proven Performance. Trusted Reliability.

For decades, Mineral Oil Filled Power Transformers have been the backbone of electrical power distribution across utilities, industries, commercial establishments, and infrastructure projects. Fairdeal's transformers are engineered to deliver exceptional reliability, high efficiency, and long service life under diverse operating conditions. Designed and manufactured in accordance with BIS, IEC, and customer-specific specifications, every transformer undergoes rigorous routine testing to ensure dependable performance throughout its operating life.

Technical Ratings

Product Range

Capacity

500 kVA to 10 MVA

Voltage Class

Up to 36 kV

Cooling

ONAN / ONAF

Winding

Copper or Aluminium

Frequency

50 Hz

Standards

BIS IS 2026, IEC 60076 & Customer Specifications

Technical Excellence

Key Features

Precision Engineered Design

Optimized magnetic and electrical design ensuring superior performance, low losses and long operational life.

High Energy Efficiency

Designed to achieve optimum efficiency with reduced no-load and load losses, resulting in lower operating costs.

Robust Construction

Heavy-duty tank fabrication, rigid core assembly and precision winding ensure excellent mechanical strength and durability.

Superior Cooling Performance

Efficient cooling system maintaining optimum operating temperatures for enhanced insulation life and reliable operation.

Low Noise Operation

Optimized core design and precision manufacturing minimize audible noise levels, making the transformers suitable for industrial, commercial and urban installations.

Leak-Proof Construction

Pressure-tested tank and sealing system designed to prevent oil leakage and ensure long-term reliability.

High Quality Insulation System

Premium grade insulation materials provide excellent dielectric strength and dependable performance under varying load conditions.

Flexible Configurations

Available with ONAN/ONAF cooling, Copper or Aluminium windings, OLTC/OCTC arrangements, K-Factor designs and customer-specific requirements.

Technical Excellence

Advantages

Reliable Long-Term Performance

Engineered for continuous operation with high operational reliability and minimum downtime.

Low Maintenance

Simple construction and proven technology ensure easy maintenance and economical operation throughout the transformer life cycle.

Cost Effective

An economical solution offering an excellent balance between capital investment and long-term operating performance.

High Mechanical Strength

Designed to withstand short-circuit forces, transportation stresses and demanding operating environments.

Excellent Thermal Performance

Efficient heat dissipation enhances insulation life and maintains transformer reliability even under varying load conditions.

Proven Technology

A mature and globally accepted technology with decades of successful service in utilities and industries worldwide.

Custom Engineered

Every transformer can be customized to meet specific customer requirements, site conditions and application needs.

Typical Applications

Fairdeal Green Transformers are ideal for applications where safety, sustainability and reliability are critical.

Power Utilities

Primary and secondary distribution networks.

Industrial Plants

Manufacturing facilities, process industries, engineering plants and heavy industries.

Commercial Buildings

Commercial complexes, IT parks, hotels and business centres.

Infrastructure Projects

Airports, metro rail, highways, ports and public infrastructure.

Renewable Energy

Solar and wind projects where mineral oil transformers are specified by project requirements.

Steel & Cement Plants

Heavy-duty industrial applications requiring robust and reliable power distribution.

Pharmaceuticals

Manufacturing facilities demanding uninterrupted and dependable power supply.

Data Centres

Reliable transformer solutions for mission-critical facilities where mineral oil technology is appropriate.

Educational Institutions & Hospitals

Campuses, hospitals and public facilities requiring safe and efficient electrical distribution.

Technical Excellence

Typical Applications

Power Utilities

Primary and secondary distribution networks.

Industrial Plants

Manufacturing facilities, process industries, engineering plants and heavy industries.

Commercial Buildings

Commercial complexes, IT parks, hotels and business centres.

Infrastructure Projects

Airports, metro rail, highways, ports and public infrastructure.

Renewable Energy

Solar and wind projects where mineral oil transformers are specified by project requirements.

Steel & Cement Plants

Heavy-duty industrial applications requiring robust and reliable power distribution.

Pharmaceuticals

Manufacturing facilities demanding uninterrupted and dependable power supply.

Data Centres

Manufacturing facilities demanding uninterrupted and dependable power supply.

Educational Institutions & Hospitals

Campuses, hospitals and public facilities requiring safe and efficient electrical distribution.

Why Choose Fairdeal?

Zero Failure • Zero Defect Philosophy
Every transformer is designed, manufactured and tested with uncompromising attention to quality.
Customer-Centric Engineering
Tailor-made transformer solutions designed to meet exact application requirements.
In-House Testing
100% routine testing before dispatch to ensure dependable field performance.
Engineering Expertise
More than four decades of transformer design and manufacturing excellence.
Pan-India Service Support
Responsive technical assistance and after-sales support throughout the product lifecycle.