Power Transformers

Winding a power transformer

Our range includes step-up and step-down transformers for voltage conversion, oil-filled transformers for superior cooling and heavy-duty outdoor use, and dry-type transformers for safe, low-maintenance indoor applications. We also offer specialised solutions such as generator step-up (GSU), transformers, isolation transformers, and distribution transformers tailored for specific operational requirements.

Built with advanced core technologies and precision-engineered winding systems, our transformers ensure minimal losses, excellent voltage regulation, and high thermal stability. Designed to meet rigorous industrial and utility standards, they provide long service life, robust fault tolerance, and dependable performance in critical power infrastructure.

How these transformers are used in a system

Input supply

Power arrives at a certain voltage, 3.3kV, 6.6kV and 11kV systems.

Voltage conversion

The transformer steps voltage up or down depending on need, Step-down → for safe usage (e.g., 415 V, 230 V) or Step-up → for efficient transmission within a facility

Magnetic coupling

AC current in the primary creates a changing magnetic field which induces voltage in the secondary.

Output to load

The adjusted voltage feeds equipment, buildings, or distribution panels

Our capability and where transformers from 1 kVA to 1 MVA are used

1 kVA – 10 kVA

(small power transformers) used for light-duty applications:

  • Small offices and homes (backup or isolation transformers)
  • Control panels
  • Laboratory equipment
  • Small UPS systems

10 kVA – 100 kVA

(medium-small range)

Common in commercial setups:

  • Shops, restaurants, small apartment blocks
  • Small workshops and machinery
  • HVAC systems

100 kVA – 1 MVA

(medium power range)

Used in industrial and distribution systems:

  • Factories and manufacturing plants
  • Large commercial buildings (malls, hospitals)
  • Construction sites
  • Local utility distribution (pole-mounted or ground transformers)

Typical Applications for Power Transformers

Utility distribution
Electricity from the grid is stepped down near users, medium voltage → low voltage for residential areas – often mounted on poles or in ground enclosures

Industrial facilities
Inside factories – convert supply voltage to match machines and provide isolation and protection.

Backup and power conditioning
Used with generators and UPS systems – stabilize voltage for sensitive equipment

Power Transformers Advantages

Versatility
Covers everything from small equipment to large facilities.

Reliability
Designed for continuous operation under load.

Efficiency
High efficiency (often >95%), especially at higher ratings.

Scalability
You can choose the right size based on demand without oversizing.