≤100kV Range
HCTT 100KV/30KVA Test Transformer
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HCTT 100KV/30KVA Test Transformer

Lead time: 45days

Mode: HCTT 100KV/30KVA
Cylinder type                                           Exciting current: 100A
Cylinder type                                           Output current: 300mA
Single phase                                            Cooling methods: ONAN
Frequency:50Hz                                      Dielectric loss: <0.5%
Rated Capacity:30kVA                            No-load current ≤10%
Rated input voltage: 0.4kV                     Waveform deviation ≤3%
HV winding: 100kV                                 Measuring winding voltage: 100V

Over-current capability: Working for 300s allowed at 150%In, not cause any damage to transformer winding and insulation.
Over-voltage capability: Working for 60s allowed at 110% rated current, not cause any damage to transformer insulation.
Insulation level: withstand 5kV/min (Low voltage input ending to ground)
Working time: working 60 minutes under 100% rated voltage; Continuous working allowed at 80% rated current & voltage; and temperature rise of transformer winding is less than 65K, temperature rise of oil surface is less than 55K.
Outer dimension: 600mm*800mm
Basement: 700mm*700mm
Corona ring: 700mm*350mm
Weight: 100kg (approx.)

HCTT 100KV/30KVA Test Transformer HCTT 100KV/30KVA Test Transformer

HCTT 100KV/30KVA Test Transformer HCTT 100KV/30KVA Test Transformer
Transformer Oil: 
25# transformer oil is from Karamay Refinery. The oil indicator can reach the oil level for 500KV transformers. Factory test of test transformer should use new transformer oil supplying with transformers and perform oil inspection before or after factory test. Oil inspection report should be provided when the transformer delivered filled with oil. Quality of transformer oil should meet the requirements of SH0040-91, GB2536-90, GB7595-87, SD187-86, Class II A of IEC-296 standards. Components PCB are prohibited in the oil. When doing acceptance test on-site, the oil performance should satisfy the following requirements: DGA analysis of total hydrocarbons less than 10 mg//L, the breakdown voltage of the oil should not be less than 65kV/2.5mm, dielectric loss (90°C) is not more than 0.3%, water content is not more than 10mg/L, the gas content is not more than 1%.

Principle Diagram: 
 

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