SUBSTATION TRANSFORMER

IEEE STANDARDS: C57.12.00

Type: Overhead
Temperature: Rise temperature of 65° C and 55° C on coastal environments
Tank: Mild Steel or Stainless Steel

Operational altitude: 2,300 m.a.s.l
Cooling system: ONAN
Frequency: 60 Hz
Core: Wescore type silicon steel
Coating: Electrostatic powder painting “ANSI Gray 70”

Capacities:

225 kVA
300 kVA
500 kVA
750 kVA
1000 kVA
1500 kVA

Primary Voltages:

15 kv
25 kv

Secondary Voltages:

208/120 v
220/127 v
440/254 v
460/266 v
480/277 v

Accessories

  • Pressure relief valve
  • Wet process high voltage bushings
  • Ground bus eye bolt type
  • Sample valve
  • Oil Temperature Indicator
  • LV Bushing Stud
  • 10-Hole NEMA LV Spades
  • Removable ground strap
  • Radiators
  • Oil level indicator
  • Tap Changer w/ 2 positions 2.5% each above and under nominal
  • Anodized aluminum nameplate

Lab tests reports

  • Turn ratio test
  • Windings resistance
  • Windings insulation resistance
  • Applied tension test
  • Induced voltage test
  • Tested no-load losses-iex
  • Tested load losses-iz
  • Dielectric withstand
  • Tank pressure