Product Details

An integral part of power distribution and transmission networks, a three-phase transformer is designed to efficiently step up or down voltage levels in three-phase systems. These transformers offer high efficiency, compact size, and balanced load handling, making them ideal for commercial, industrial, and utility applications.

Electrical Details

• ❖ Rated Power 10 kVA to 1000 MVA
• ❖ Primary Voltages 3.3 kV, 6.6 kV, 11 kV, 33 kV, 66 kV, 132 kV, 220 kV, 400 kV
• ❖ Secondary Voltages 400V, 3.3V, 6.6V, 11V, etc.
• ❖ Frequency 50 Hz and 60 Hz
• ❖ Phase Configuration Three-phase
• ❖ Vector Group Yyn0, Yd5, Dyn11, etc.

Insulation and Cooling

• ❖ Cooling Techniques Dry-type (AN, AF) and Oil-immersed (ONAN, ONAF, OFAF)
• ❖ Insulation Classes A, B, F, H

Advantages

• ❖ Understanding the Application Needs
  Identify industrial requirements, input/output voltage levels, and load type.
• ❖ Selecting the Right Transformer
  Ensure proper kVA/MVA rating, voltage compatibility, and cooling method selection.
• ❖ Protection Features
  Short-circuit, overvoltage, and thermal protection for safety.
• ❖ Efficiency & Maintenance
  Regular monitoring enhances performance and prolongs lifespan.

Three-phase transformers ensure efficient power distribution and reliable operation.
Proper selection, monitoring, and maintenance enhance performance and longevity.