HCTT-2x300kV/1200kVA AC Test Transformer

HCTT-2x300kV/1200kVA AC Test Transformer
Cylinder type,  Single phase,  Working frequency: 50Hz
Rated capacity: 120KVA
Rated voltage:  LV voltage: 2*3KV ,HV voltage: 600KV   
Rated current: LV current: 2*200A  ,HV current: 2A
LV winding can be in both serial and parallel connection:
Serial connection: HV output 300KV/2A
Parallel connection: HV output 600KV/2A
Waveform distortion rate: ≤3%
No-load current: <10%
Impedance voltage: ≤12%
Noise level: ≤60db
Voltage unevenness: ≤±5%
PD level: <5pC under 100% rated voltage; <3pC under 80% rated voltage

Working time: continuous working for 60 min under 100% rated voltage and rated current is allowed;
Temperature rising:  temperature rising of transformer winding is ≤65K, temperature rising of transformer oil is ≤55K
Serial Protection: between lower LV winding and upper LV winding of test transformer installed 3 KV MOA.
Dimension: 2000mm*2500mm
Weight: <24500kg

Upper stage:
HCTT 300KV/600KVA
Cylinder type,  Single phase,  Working frequency: 50Hz
Rated capacity: 600KVA
Rated voltage:  LV voltage: 3KV, HV voltage: 300KV    
Rated current: LV current: 200A  , HV current: 2A
Waveform distortion rate: ≤3%,   No-load current: <10%,    
Impedance voltage: ≤4.5%,       Noise level: ≤60db
PD level: <5pC under 100% rated voltage; <3pC under 80% rated voltage

Over current ability: continuous working for 300s at 125% rated current without any damage and distortion to transformer winding;
Over voltage ability: working for 60s at 110% rated voltage without any damage to transformer insulation,  waveform distortion ≤5%;
Working time: continuous working for 60 min under 100% rated voltage and rated current is allowed;
Temperature rising:  temperature rising of transformer winding is ≤65K, temperature rising of transformer oil is ≤55K
Dimension: 2000mm*1780mm*2450mm
Weight: <10000kg

Lower Stage
HCTT 300KV/1200KVA
Cylinder type,  Single phase,  Working frequency: 50Hz
Rated capacity:  LV Capacity: 1200KVA , HV Capacity: 3600KVA, Transfercapacity: 600KVA
Rated voltage:  LV voltage: 3KV  ,HV voltage: 300KV ,Transfer voltage: 3KV
Rated current: LV current: 400A  ,HV current: 2A ,Transfer current: 200A
Waveform distortion rate: ≤3%,    No-load current: <10%
Impedance voltage: ≤4.5%,    Dielectric loss: <0.4%
Noise level: ≤60db
PD level: <5pC under 100% rated voltage; <3pC under 80% rated voltage

Over current ability: continuous working for 300s at 120% rated current without any damage and distortion to transformer winding;
Over voltage ability: working for 60s at 110% rated voltage without any damage to transformer insulation,  waveform distortion ≤5%;
Working time: continuous working for 60 min under 100% rated voltage and rated current is allowed;
Temperature rising:  temperature rising of transformer winding is ≤65K, temperature rising of transformer oil is ≤55K
 Dimension: 2000mm*2500mm*2450mm
Weight: <14500kg

Principle Diagram: