Transformer

Standard Spec Frequency 60Hz Classification of insulator High Voltage : B class, Low voltage: F class Temperature rising of winding High Voltage : 80, Low Voltage: 100 Standard insulation level(kV) Systematic Voltage 24 7.2 3.6 Under 0.6 Withstanding Voltage of commercial cycle 50 20 10 3 Withstanding Voltage of Impulse 95 60 40 - Primary of rated voltage(kV) 22.9 6.6 3.3 - Primary of tapped voltage(kV) F23.9-R22.9-21.9-20.9-19.9 F6.9-R6.6-6.3-6.0-5.7 F3.45-R3.3-3.15-3.0-2.85 - Secondary of rated voltage(kV) 6.6, 3.3, 0.48, 0.44, 0.38, 0.22 Rated capacity(kVA) 100/ 200 / 300 / 400 / 500 / 600 / 750 / 1,000 / 1,250 / 1,500 / 2,000/3,000