35kV Power Transformer for steps voltage up or down between transmission and distribution networks

35kV Power Transformer

35 kV power transformer is an electrical transformer designed for use in power distribution and transmission systems where the primary voltage level is 35 kV.

Typical Characteristics
·Voltage class: 35 kV (high-voltage side)
·Function: Steps voltage up or down between transmission and distribution networks.
·Frequency: 50 Hz or 60 Hz.
·Cooling methods: ONAN (Oil Natural Air Natural), ONAF (Oil Natural Air Forced), etc.
·Insulation: Mineral oil or Vegetable oil depending on application.
·Power ratings: Commonly range from a few hundred kVA to tens of MVA.

Common Applications
·Utility substations
·Industrial plants
·Renewable energy projects (solar and wind farms)
·Mining operations
·Large commercial facilities

Example Rating
A typical transformer nameplate might read:
·Rated Power: 10 MVA
·High Voltage: 35 kV
·Low Voltage: 10.5 kV
·Frequency: 50 Hz
·Cooling: ONAN
·Vector Group: Dyn11

Main Components
·Magnetic core
·High-voltage and low-voltage windings
·Transformer oil
·Bushings
·Conservator tank
·Radiators/cooling system
·Tap changer