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:
4160 Delta
4160GRDY/2400 v
12000 Delta
12000GRDY/6928 v
12470 DELTA o 12470GRDY/7200v
13200 DELTA or 13200GRDY/7620v
13800 DELTA or 13800GRDY/7970v
23000 Delta
23900 DELTA or 23900GRDY/13800v
24940 Delta
24940GRDY/14400v
34500GRDY/19919
4160GRDY/2400 v
12000 Delta
12000GRDY/6928 v
12470 DELTA o 12470GRDY/7200v
13200 DELTA or 13200GRDY/7620v
13800 DELTA or 13800GRDY/7970v
23000 Delta
23900 DELTA or 23900GRDY/13800v
24940 Delta
24940GRDY/14400v
34500GRDY/19919
Secondary Voltages:
208/120 v
220/127 v
440/254 v
460/266 v
480/277 v
4160/2400 v
220/127 v
440/254 v
460/266 v
480/277 v
4160/2400 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