Charging Transformer
HCTT-240kV/1.67A Charging Transformer
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HCTT-240kV/1.67A Charging Transformer

Mode: HCTT-240kV/1.67A
Rated capacitance:60kVA
Rated voltage: Exciting winding voltage:600V       HV voltage:240kV
Rated current: Exciting winding current:666.7A     HV current:1.67A
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, 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 hour;  80%UH.80%IH   cont. running.  
Temperature raise of test transformer winding≤65 Temperature raise of oil surface≤55K
Partial discharge level: ≤5pC under rated voltage ; ≤3pC under 80% of rated voltage

Principle Diagram: 

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