Liquid Filled Transformers Padmount Type

 
Range: 75 kVA to 10,000 kVA | 50 or 60 Hz
Temperature Rise: 55°C, 65°C, 55/65°C, or as specified (75°C, consult factory)
Primary: 5 kV to 52 kV (Live or Dead Front)
Secondary: Up to 34.5 kV
Winding Material: Copper or Aluminum
Winding Types: Circular Layer, Rectangular Layer
Core Types: Mitered Step Lap (Cruciform or 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 Operation
  • Dedicated Load/Motor-Starting
  • Class 1 Div II/Marine/Corrosive Environments
  • High Altitude
  • Seismic Conditions and Anchoring
  • Rectifier/Drives (IEEE C57.18.10)
  • Pad-Mounted Substation
  • Captive Duty
  • Renewables

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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)
  • Forced Air Cooling
  • Stainless Steel Construction
  • Lightning Arresters
  • Load Break and Multi-Voltage Switches
  • Fusing Protection
  • KWH Meters
  • Current Transformers
  • Circuit Breakers/Panel Boards
  • Vacuum Fault Interrupter (VFI)