Liquid Filled Transformers Secondary Unit Substation Type

 
Range: 75 kVA to 15,000 kVA, 50 or 60 Hz
Temperature Rise: 55° C, 65° C, 55/65° C or as specified (75°, Consult Factory)
Primary: 5kV to 46kV
Secondary: Up to 34.5kV (6500A maximum)
Winding Material: Copper or Aluminum
Winding Types: Circular Layer, Circular Disk, Rectangular Layer
Core Types: Mitered Cruciform, Rectangular Stacked, 5-Legged Wound
Fluids: Mineral Oil (type II), Silicone, Envirotemp FR3, Luminol, Alpha 1

Design/Application

  • Distribution
  • Generator Step-up
  • Multi-Voltage/Multi-Tap Configurations
  • Mobile/Skid-Mounted/Mine duty
  • Dedicated Load/ Motor-Starting
  • Class 1 Div II/ Marine/Corrosive Environments
  • High Altitude
  • Seismic Conditions and Anchoring
  • Rectifier/Drives (IEEE C57.18.10)
  • Captive Duty
  • Retrofit Replacement
  • Load Tap Changer
  • Autotransformer
  • Furnace
  • Excitation
  • Renewables
  • Extra Heavy Duty (Traction Duty)
Download Product Brochure

Standard Features

  • Magnetic Liquid Level Gauge (ANSI 71)
  • Oil Temperature Gauge (ANSI 26)
  • Pressure/Vacuum Gauge
  • No-Load Tap Changer (when required)
  • Pressure Test and Upper Filter Press (1” connection)
  • Corrosion Resistant Nameplate
  • Provisions for Jacking and Lifting
  • Base Suitable for Rolling or Skidding
  • Drain and Sampler Valve
  • Pressure Relief Valve

Optional Features

  • Contacts on Standard Gauges
  • Pressure Relief Device (standard over 3 MVA)
  • Winding Temperature Gauge (ANSI 49)
  • Sudden Pressure Rise Relay (ANSI 63)
  • Seal in Relay (ANSI 63X)
  • Stainless Steel Construction
  • Forced Air Cooling
  • Lightning Arresters