Ningbo Ville Electric Co., Ltd.  

Product Name: 50mva 66kv Double-Winding Power Transformers with off-Circuit Tap Changer Model NO.: sf-50000/69/6.3 Brand: Ville Shape of Core: Ring Frequency Characteristics: Power Frequency Usage: Power Transformer Certification: ISO9001-2000, ISO9001 Winding Type: Multi-winding Transformer Cooling Method: Oil-immersed Type Transformer Core: Core-type Transformer Phase: Three Application: Power Power: Hydroelectric (Power) Station Trademark: ville Transport Package: The Accessories Packed in Plywood Cases,The Main B Specification: IEC60076 Origin: Ningbo China HS Code: 8504109000 Product Description Technical parameters:Rated Capacity(MVA):50Voltage ratioHV(KV): 69Voltage ratio LV(KV): 6.3Voltage ratio HV Tapping Range(kv):± 2 x 2, 5%Connection symbol:YND11No-load Loss(KW):44No-load Current(%):0.4Full-load Loss(KW):184.5Impedance(%):9ReferenceTemperature°C75No-LoadLossesatPrincipalTapping:W9.0kWLoosesofCoolingFanSystemW/InsulationLevels(LI/AC):LI325AC140/LI125AC55NoLoadCurrent:@Un%In0.56@1.05Un%In0.68SoundLevel:dB<67ShortCircuitImpedanceatPrincipalTapping:P/S%Un8~10%P/T%UnS/T%UnReferenceTemperature°C75TopOilTemperatureRise:°C51KAverageWindingTemperatureRise:°C64KInsulationResistance(ReferenceTemperature=20°C):HV/LV /Mohms≥1000HV/GR-LV/GR-Mohms≥1000Our advantages:Quality Assurance--From the very beginning,VILLEensures quality in every step to achieve the best quality.Experience Sharing--With more than 30 years' experience in power industry,VILLEbrings you an optimized solution.Global Service--Wherever you are,VILLE global network will support and provide you with value.Quick Response--In response to your needs without delay, VILLE knows the value of your time.Thanks for choosing VILLE as your reliable partner andplease trust both of us will create a brilliant future!