Since 2007, Sahara Transformers has been at the core of India’s power infrastructure by engineering transformers that work harder, last longer, and keep businesses running without compromise.
Built for the Demands of Real Industry
Every transformer we make is designed around one principle: uninterrupted power delivery. Whether you’re running a steel plant or a solar farm, we have a solution built for your exact conditions.
Engineered for high-load environments where downtime is not an option. Our power transformers are built with premium-grade core materials and precision winding to deliver consistent output, low losses, and a long operational life, even under the most demanding utility and industrial conditions.
For projects where speed of deployment matters as much as technical performance. Our factory-assembled compact substations arrive site-ready, reducing installation time and civil work without cutting corners on protection, metering, or build quality.
Reliable at the last mile. Our distribution transformers are built for consistent, safe power delivery across commercial complexes, industrial facilities, and utility networks. Low losses, robust construction, and compliance with the latest IS standards are standard, not optional.
Where safety and environment matter most. Designed for indoor installations, hospitals, IT parks, and spaces where oil-based equipment isn’t suitable. Our dry type and cast resin transformers offer fire safety, zero liquid risk, and virtually maintenance free operation.
Precision phase conversion for specialized applications. Built to exact specifications, our Scott connected transformers efficiently convert between 3-phase and 2-phase power by supporting traction systems, furnaces, and other industrial processes that require balanced two-phase supply.
Made for the harshest industrial duty cycles. Our furnace transformers are built to handle frequent load swings, high current demand & continuous operation. Trusted across steel plants, foundries, and metallurgical operations where standard transformers simply don’t hold up.
Purpose-built for renewable energy systems. Solar generation creates unique electrical challenges such as inverter harmonics, fluctuating loads, and variable generation patterns. Our solar inverter duty transformers are specifically engineered to manage these conditions while maintaining stable, efficient voltage transformation.
Engineered for high-load environments where downtime is not an option. Our power transformers are built with premium-grade core materials and precision winding to deliver consistent output, low losses, and a long operational life, even under the most demanding utility and industrial conditions.
For projects where speed of deployment matters as much as technical performance. Our factory-assembled compact substations arrive site-ready, reducing installation time and civil work without cutting corners on protection, metering, or build quality.
Reliable at the last mile. Our distribution transformers are built for consistent, safe power delivery across commercial complexes, industrial facilities, and utility networks. Low losses, robust construction, and compliance with the latest IS standards are standard, not optional.
Where safety and environment matter most. Designed for indoor installations, hospitals, IT parks, and spaces where oil-based equipment isn’t suitable. Our dry type and cast resin transformers offer fire safety, zero liquid risk, and virtually maintenance free operation.
Precision phase conversion for specialized applications. Built to exact specifications, our Scott connected transformers efficiently convert between 3-phase and 2-phase power by supporting traction systems, furnaces, and other industrial processes that require balanced two-phase supply.
Made for the harshest industrial duty cycles. Our furnace transformers are built to handle frequent load swings, high current demand & continuous operation. Trusted across steel plants, foundries, and metallurgical operations where standard transformers simply don’t hold up.
Purpose-built for renewable energy systems. Solar generation creates unique electrical challenges such as inverter harmonics, fluctuating loads, and variable generation patterns. Our solar inverter duty transformers are specifically engineered to manage these conditions while maintaining stable, efficient voltage transformation.
Engineered for high-load environments where downtime is not an option. Our power transformers are built with premium-grade core materials and precision winding to deliver consistent output, low losses, and a long operational life, even under the most demanding utility and industrial conditions.
For projects where speed of deployment matters as much as technical performance. Our factory-assembled compact substations arrive site-ready, reducing installation time and civil work without cutting corners on protection, metering, or build quality.
Reliable at the last mile. Our distribution transformers are built for consistent, safe power delivery across commercial complexes, industrial facilities, and utility networks. Low losses, robust construction, and compliance with the latest IS standards are standard, not optional.
Where safety and environment matter most. Designed for indoor installations, hospitals, IT parks, and spaces where oil-based equipment isn’t suitable. Our dry type and cast resin transformers offer fire safety, zero liquid risk, and virtually maintenance free operation.
Precision phase conversion for specialized applications. Built to exact specifications, our Scott connected transformers efficiently convert between 3-phase and 2-phase power by supporting traction systems, furnaces, and other industrial processes that require balanced two-phase supply.
Made for the harshest industrial duty cycles. Our furnace transformers are built to handle frequent load swings, high current demand & continuous operation. Trusted across steel plants, foundries, and metallurgical operations where standard transformers simply don’t hold up.
Purpose-built for renewable energy systems. Solar generation creates unique electrical challenges such as inverter harmonics, fluctuating loads, and variable generation patterns. Our solar inverter duty transformers are specifically engineered to manage these conditions while maintaining stable, efficient voltage transformation.
Engineered for high-load environments where downtime is not an option. Our power transformers are built with premium-grade core materials and precision winding to deliver consistent output, low losses, and a long operational life, even under the most demanding utility and industrial conditions.
For projects where speed of deployment matters as much as technical performance. Our factory-assembled compact substations arrive site-ready, reducing installation time and civil work without cutting corners on protection, metering, or build quality.
Reliable at the last mile. Our distribution transformers are built for consistent, safe power delivery across commercial complexes, industrial facilities, and utility networks. Low losses, robust construction, and compliance with the latest IS standards are standard, not optional.
Where safety and environment matter most. Designed for indoor installations, hospitals, IT parks, and spaces where oil-based equipment isn’t suitable. Our dry type and cast resin transformers offer fire safety, zero liquid risk, and virtually maintenance free operation.
Precision phase conversion for specialized applications. Built to exact specifications, our Scott connected transformers efficiently convert between 3-phase and 2-phase power by supporting traction systems, furnaces, and other industrial processes that require balanced two-phase supply.
Made for the harshest industrial duty cycles. Our furnace transformers are built to handle frequent load swings, high current demand & continuous operation. Trusted across steel plants, foundries, and metallurgical operations where standard transformers simply don’t hold up.
Purpose-built for renewable energy systems. Solar generation creates unique electrical challenges such as inverter harmonics, fluctuating loads, and variable generation patterns. Our solar inverter duty transformers are specifically engineered to manage these conditions while maintaining stable, efficient voltage transformation.
Maximum Total Losses Upto 11kV Class Transformers
| Sl. No. | Rating (kVA) | Impedance (%) | Maximum Total Loss (W) | |||||
|---|---|---|---|---|---|---|---|---|
| Energy Efficiency Level 1 | Energy Efficiency Level 2 | Energy Efficiency Level 3 | ||||||
| 50% Load | 100% Load | 50% Load | 100% Load | 50% Load | 100% Load | |||
| i | 250 | 4.50 | 1050 | 3150 | 980 | 2930 | 920 | 2700 |
| ii | 315 | 4.50 | 1100 | 3275 | 1025 | 3100 | 955 | 2750 |
| iii | 400 | 4.50 | 1300 | 3875 | 1225 | 3450 | 1150 | 3330 |
| iv | 500 | 4.50 | 1600 | 4750 | 1510 | 4300 | 1430 | 4100 |
| v | 630 | 4.50 | 2000 | 5855 | 1860 | 5300 | 1745 | 4850 |
| vi | 800 | 5.00 | 2459 | 7300 | 2287 | 6402 | 2147 | 5837 |
| vii | 1000 | 5.00 | 3000 | 9000 | 2790 | 7700 | 2620 | 7000 |
| viii | 1250 | 5.00 | 3600 | 10750 | 3300 | 9200 | 3220 | 8400 |
| ix | 1600 | 6.25 | 4500 | 13500 | 4200 | 11800 | 3970 | 11300 |
| x | 2000 | 6.25 | 5400 | 17000 | 5050 | 15000 | 4790 | 14100 |
| xi | 2500 | 6.25 | 6500 | 20000 | 6150 | 18500 | 5900 | 17500 |
We Don’t Just Sell Transformers. We Keep Them Running.
Transformer performance degrades over time without the right maintenance. Our service team provides expert support across the entire lifecycle from preventive maintenance to emergency repairs, so that your equipment stays operational when it matters most.
Not every aging transformer needs replacement. We handle repairs and full refurbishment for units up to 10 MVA, 33 kV that restore performance, extend equipment life, and save significant capital expenditure.
Contaminated oil and a neglected On-Load Tap Changer are among the most common causes of transformer failure. Our technicians carry out filtration, vacuum treatment, OLTC overhaul, and complete leakage sealing by restoring insulation health and operational safety.
We carry out a full diagnostic suite — BDV testing, Dissolved Gas Analysis (DGA), Tan Delta, and Winding Resistance Measurement by giving you a clear picture of your transformer’s condition and what it needs before a problem occurs.
A structured AMC means fewer surprises. We schedule and carry out periodic testing and preventive maintenance throughout the year, so equipment degradation is caught early and your power systems stay reliable through every season.
Powering India’s Most Demanding Sectors
From heavy industry to critical infrastructure, our transformers and services are trusted where reliability is non-negotiable.
Power Generation & Distribution Utilities
Engineering, Manufacturing & Automotive
Real Estate & Infrastructure Projects
EPC Contractors & Turnkey Projects
Hospitals, Data Centers & IT Parks
Government & Semi-Government Organizations
Oil & Gas & Heavy Industries
Solar & Renewable Energy Plants