Power transformer SFZ-33

electrical power supplyimmersedindustrial

• IEC 60076, ANSI/IEEE Std C57.12, NEMA
• ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA
• Mineral Oil / Vegetable Oil (FR3), Free PCB
• Low loss, Low partial discharge, Low temperature rise
• Seismic design, ETGI-1.020, IEEE Std 693, NCh2369
• Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1
• High altitude correction per IEC 60076 & IEEE C57.12, ~ 5000m

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