HCTT-160kV/0.1875A Charging Transformer

Mode: HCTT-160kV/0.1875A
Rated capacitance:30kVA
Rated voltage: Exciting winding voltage:380V       HV voltage:160kV
Rated current: Exciting winding current:78.9A       HV current:0.1875A
Rated frequency:50Hz
No-load current:≤10%
Waveform deviation:≤5%
Measuring winding voltage ratio:1000/1
Over-current capability: 120% of rated current, 5 min, no thermal damage and winding distortion to test transformer’s winding.
Over-voltage capability: 110% UH, 1 min, no damage to test transformer’s insulation.
Insulation level: LV winding to ground 3kV/1min               
HV winding to ground 3kV/1min
Dielectric loss<0.4%
Temperature raise of test transformer winding≤65 Temperature raise of oil surface≤55K

 
Principle Diagram: