HCTT-150kV/0.4A Charging Transformer

Mode: HCTT-150kV/0.4A
Rated capacitance:60kVA
Rated voltage: Exciting winding voltage:400V       HV voltage:150kV
Rated current: Exciting winding current:150A       HV current:0.4A
Rated frequency:50Hz
No-load current:≤10%
Waveform deviation:≤5%
Measuring winding voltage ratio:1000/1
Over-current capability: 150% of rated current, 5 min, no thermal damage and winding distortion to test transformer’s winding.
Over-voltage capability: 110% UH (1650kV), 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%
Running time: 100%UH,100%IH  1 min;  80%UH.80%IH   cont. running.  
Temperature raise of test transformer winding≤65 Temperature raise of oil surface≤55K

 
Principle Diagram: