New 60/80MVA 60Hz. 3-Phase Step Down Transformer HV: 69 kV LV : 34.5 kV Winding Type: Copper Function: Step-Down
TECHNICAL SPECIFICATIONS:
MVA Rating 60 MVA @ 65°C
80 MVA @ 65°C Application Outdoor
Cooling Class KNAN/KNAF Winding Temp. Rise 65°C
Continuous Rating
(ONAN) (MVA) 60 MVA Continuous Rating (ONAF) (MVA) 80 MVA
Number of Phases 3-Phase Insulating Fluid FR3
Frequency 60 Hertz Winding Material Copper
HV Rating (KV) 69 kV LV Rating (KV) 34.5 kV
Primary Winding
Configuration Delta Secondary Winding Configuration GrdWye
HV Windings BIL (KV) 350 kV LV Windings BIL (KV) 200 kV
Vector Group Dyn1 LV Neutral Winding BIL
(KV) 150 kV
Tapping Ratio (DETC) ±2 x 2.5% No. of Taps (DETC) 5
HV Bushings BIL (KV) 350 kV LV Neutral Bushings
(KV) 250 kV
LV Bushings BIL (KV) 250 kV Winding Type Circular
Core Configuration Step Lap Control Cabinet NEMA
Rating NEMA 4
Function Step-Down Oil Preservation System Conservator Tank with
Bladder
Aux AC Voltage 240/120 Vac, 1ph, 60Hz Efficiency (%) Non-DOE
Aux DC Voltage 125 Vdc Transformer Impedance
H-X @ ONAN (%) Z = 7.55%
Color ANSI 70 Light Gray Altitude (ft) 3300 ft
Max Sound Level (dB) NEMA TR1 Ambient Temp. 11°C to 95.5°C
Fan Voltage 120/240 Vac Shipping Method Nitrogen Blanket
Delivered: 10 months
