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Our Products
Oswal Transformers Private Limited is one of the leading manufacturers, suppliers and service providers for a wide range of transformers. Designed using the A Class/ F Class insulation, these are appreciated by the clients for high operating frequency, wide operating voltage range, high durability, low temperature rise, oil & grease resistance, less maintenance and trouble free service. Apart from this, we are also engaged in offering after sales services, which include installation and onsite support for our transformers.
Our wide range of transformers includes distribution transformers, power transformers, current transformer, potential transformer, furnace transformer, booster transformer, rectifier transformer, locomotive transformer, missing transformer, phase shifting transformer, welding transformer, grounding transformer, high voltage testing/sc testing transformer and converter transformer.
Power Transformers
We supply a wide range of power transformers that find extensive application in aerospace & utility applications. Made using the premium grade components, these power transformers ensure steady construction and minimum losses. Known for low maintenance and trouble free service, these are in compliance with ISS/REC standards.
Our power transformer are made using premium quality raw material and are Rugged and Reliable. The high quality standards adapted by Oswal Transformers are appreciated throughout the world. Power transformers upto 10 MVA and 33 KV class are regularly manufactured and supplied to the domestic/international markets as per various standards.
Our power transformer finds extensive application in following areas:
- Aerospace application
- Commercial and industrial power distribution system
- Oil and dry-type units
- Utility applications
Oswal Power Transformers are known for delivering excellent performance. The expert R&D team develops one of the most advanced designs to withstand short-circuit and impulse voltage tests.
Features:
- Robust design to take care of frequent short circuits
- Excellent process of shrinkage and drying of coils resulting in a sturdy construction
- Step-up and Step-down transformers manufactured
- Manufactured with prime CRGO using step-lap design for low losses
- Various ratings type tested from NABL accredited labs
| Technical Specifications | |
|---|---|
| Ratings | 3 phase, upto 33 kV 5000 kVA |
| Frequency | 50/60 Hz |
| Applicable Standards | IS 2026, IEC 76, ANSI.C.57, as per customer requirement |
| Winding | Copper |
| Insulating Fluid | Mineral Oil, both inhibited & uninhibited, as per IS/IEC |
| Cooling | ONAN, ONAF |
| Class of Insulation | Class A |
| Tap Changer | OCTC, OLTC, as per customer requirement |
Standard Accessories:
Rating & Diagram Plate, HV & LV Bushings with fittings, Pressure Relief Device, Lifting & Jacking Lugs, Grounding Terminals Silica-gel Breather, Filter Valve, Off Circuit Tap Changer, Earthing Terminals, Thermometer Pockets, Oil Level Indicator, Double Float Buchholz Relay, Magnetic Oil Level Gauge, Conservator, Marshalling Box, Oil Temperature Indicator, Winding Temperature Indicator, Inspection Cover, Terminal Connectors.
Optional Accessories:On Load Tap Changer with RTCC, Siphon Thermo Filter, Arcing Horns.
Distribution Transformer
We provide a diverse range of distribution transformers, newly manufactured as well as re-engineered. Our transformers are in accordance with internationally recognized standards and come with industry leading guarantees.
We are dedicatedly engaged in manufacturing a wide range of Distribution Transformers BOTH STAR RATED AS WELL AS NON STAR RATED to our esteemed customers. They are used in various power transmission and electrical boards and are precisely manufactured using fine quality raw materials that are sourced from known and verified dealers. Additionally, these transformers are appreciated for its durability, reliability and long service life.
Advantages:
- Highly efficient
- Durable
- Cost effective
Oswal manufactures oil filled Distribution Transformers in Wound or Stack core using CRGO Steel or Amorphous metal.
Our special STAR RATED TRANSFORMERS carry standard specifications as per Bureau of Energy Efficiency (BEE). The referred Indian Standard are IS1180 (part 1) Outdoor type three-phase distribution transformers which is upto 200kVa, 11kV – specification, IS2026 (part 2). The standard ratings covered under this energy labelling products is 16, 25, 63, 100, 160 and 200kVa, though we also manufacture non-standard rating upto 200kVa.
Features:
- Able to withstand Short Circuit & Impulse Voltage tests as per IS/IEC
- Powder Coating for excellent finish
- Available as CSP (Completely Self Protected) Type
- Designed to meet customized specifications
- Available as Corrugated Hermetically Sealed Type which is compact in size
- Various ratings type tested from NABL accredited labs
| Technical Specifications | |
|---|---|
| Ratings | 1 Phase, upto 33 kV 167 kVA | 3 Phase upto 33 kV 3000 kVA |
| Frequency | 50/60 Hz |
| Applicable Standards | IS 2026, IEC 76, ANSI.C.57 |
| Core | Wound or Stack CRGO Steel or Amorphous Metal |
| Winding | Copper / Aluminum |
| Insulating Fluid | Mineral Oil, both inhibited & uninhibited, as per IS/IEC |
| Class of Insulation | Class A |
| Tap Changer | OCTC, OLTC, as per customer requirement |
Standard Accessories:
Rating & Diagram Plate, HV & LV Bushings with fittings, Lifting & Jacking Lugs, Silica-gel Breather, Filter Valve, Off Circuit Tap Changer, Earthing Terminals, Thermometer Pockets
Optional Accessories :HV / LV Cable Boxes, Pressure Relief Device | On Load Tap Changer with RTCC, Oil Temperature Indicator, Double Float Buchholz Relay, Disconnecting Chambers, Winding Temperature Indicator, Magnetic Oil Level Gauge, Epoxy / Touch proof Bushings with connector, Siphon Thermo FilterConservator, Lightening Arrester, Arcing Horns, Terminal Connectors, Protective Fuse, Secondary Circuit Breaker, Bird Guard.
Special Transformers
We develop various special type transformers in which we are are providing
- Current Transformer
- Potential Transformer
- Booster Transformer
- Mining Transformer
- Phase Shifting Transformer
- Welding Transformer
- High Voltage Testing/Sc Testing Trf.
They have the capability to withstand short-circuit. Further, its superior features like low noise, economical operation, compact design etc, have made the range highly popular in the market. We also have ability to customize the range as per the specific requirements of the customers.
We offer a qualitative range of furnace transformers that are designed and manufactured using cutting edge technology, meant to be used with arc or induction furnaces. These furnace transformers are widely used in steel plants, aluminum industries, gas factories, calcium carbide and various other industries. These come with various distinguishing factors that provide them superior functioning rate as well as durability. We offer these high-power transformers with automatic on and off cooling facility in various sizes with on load tap changer.
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