Power transformer substation – 2,5 MVA – 67kV/480V – ONAN
Maker :
Westinghouse / Ohio Transformer
Nominal voltage :
67,000 V / 480 V
Rated current :
21.6 A / 3007 A
Impedance:
7.03%
Cooling class:
ONAN
Year of manufacture :
1969
Off-load tap changer:
# 1 – 70,600 V
# 2 – 68,800 V
# 3 – 67,000 V
# 4 – 65200 V
# 5 – 63,400 V
dyn1
Total weight: 32,000 pounds
BIL: 350kV / 45kV
Liters of oil: 1775 gal
Dimension :
70 “(D) x 123” (W) x 141 “(H at the top of the tank – 181” at the top of the HT crossing)
HV / LV socket at the top
Accessories :
Decompression device
Level Gauge, Pressure Vacuum Gauge
Purchased in 2013, loaded at 0.25pu
Kept indoors from 2013
Full of mineral oil (no PCB)
