Power rating
01Up to 25 MVA
Substation and industrial power applications.
Power Transformers
High-capacity power transformers engineered to specification, manufactured with precision, and rigorously tested for dependable performance.
Range
UP TO 25 MVA
Voltage class
UP TO 132 kV
Overview
Power transformers engineered for demanding power systems
INDULF manufactures and supplies oil-immersed power transformers engineered to meet the electrical, mechanical and operating requirements of each project. Transformer ratings, voltage classes, impedance, vector group, cooling arrangement, tap configuration and other parameters are developed against the approved technical specification rather than treated as a standard catalogue configuration. Our manufacturing capabilities and engineering expertise allow us to deliver transformers suited to demanding utility, industrial, infrastructure and power-generation applications.
From engineering and manufacturing to inspection and testing, INDULF maintains control across the critical stages of transformer delivery. Each transformer is produced against defined technical requirements, with manufacturing quality, dimensional accuracy, component selection and assembly reviewed throughout the process. In-house testing capability enables defined electrical and routine tests before final approval and dispatch, supported by complete technical documentation.
Built around technical discipline, quality practices and dependable execution, INDULF supports transformer requirements from specification through delivery. Our experience across utility and industrial power applications, combined with responsive project coordination and established supply capabilities, enables reliable delivery for both standard and project-specific requirements across India.
Applications
The right transformer for every power requirement
INDULF power transformers are engineered for utility, industrial and infrastructure applications where dependable transformation, system integration and long-term performance are essential.
Utility & Grid
Substation and grid applications for generation, transmission and distribution networks.
Industrial Power
Transformers for heavy industrial plants, process facilities and high-load electrical systems.
Renewable Energy
Transformer solutions for solar, wind, BESS and other grid-connected power projects.
Infrastructure & EPC
Project-specific transformers for substations, infrastructure developments and EPC installations.
Technical capability
A broad technical range of power transformers
Voltage class
02Up to 132 kV
As per requirement
Cooling systems
03Oil Cooled · ONAN
Cooling configuration matched to rating
Phase
04Three-Phase
Designed for utility, industrial and infrastructure power systems.
Tap changer
05OLTC · OCTC
On-load or off-circuit voltage regulation.
Transformer types
06Generator · Furnace · Solar · Special Purpose
Application-specific configurations
Why INDULF
From engineering to final testing, we control the process
Every INDULF transformer is built around disciplined engineering, controlled manufacturing and rigorous testing, with quality maintained throughout the process for dependable performance in demanding applications.
- 01
MANUFACTURING DISCIPLINE
Transformers are manufactured through controlled processes covering winding, insulation, assembly, finishing and inspection, with quality monitored throughout production.
- 02
APPLICATION-LED ENGINEERING
Each transformer is engineered around its required rating, voltage class, cooling arrangement, impedance, tap configuration and operating conditions.
- 03
IN-HOUSE TESTING
Transformers undergo defined inspections and routine electrical testing through INDULF's in-house testing capability before final approval and dispatch.
- 04
QUALITY AT EVERY STAGE
Quality is maintained through structured inspection and control across materials, manufacturing, assembly and final testing, supported by complete technical documentation.
Looking for a different type?
Lower ratingDistribution TransformersExploreUsed & testedRefurbished TransformersExploreServiceTransformer RentalExplore
SparesEpoxy Cast BushingsExploreExplore More from INDULF
Next step
Request a quote
Have a power transformer requirement? Let's engineer the right solution.
Share your technical specification, tender schedule, single-line diagram, or existing transformer details. INDULF will review the requirement and recommend a suitable transformer configuration based on the application's electrical and operating requirements.
- 01Transformer configuration aligned with your rating, voltage class and system requirements.
- 02Each requirement is evaluated for technical suitability before the transformer configuration is finalised.
- 03Routine testing and complete technical documentation provided with the supplied transformer.
Manufacturing range
Available specifications & configurations
| Parameter | Available configurations |
|---|---|
| Rated power |
|
| Voltage class |
|
| Frequency |
|
| Phases |
|
| Construction |
|
| Cooling |
|
| Tap changer |
|
| Tapping range |
|
| Winding material |
|
| Standards |
|
| Testing |
|