DENGGAO ELECTRIC CO., LTD.  

Product Name: Good Quality 250kVA 10/0.4kv Oil Filled Power 100 kVA Transformer Oil Shape of Core: EI Frequency Characteristics: Power Frequency Usage: Power Transformer, Distribution Transformer Certification: ISO9001 Winding Type: Two-winding Transformer Cooling Method: Oil-immersed Type Transformer Core: Core-type Transformer Phase: Three Application: Power Trademark: DGG Transport Package: Export Wooden Case Origin: China HS Code: 8504210000 Product Description GeneralPower transformer three phase oil immsered electrical transformer rated voltage during 6-35kV, oil immersed transformer are most used in power plant,power grid transmission and distribution station,industry& commerce electrical substation as the electrical equipment of power transmission.References:ISO 1461: Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test methods.IEC 60076: Power transformers.IEC 60044: Instrument transformers.IEC 60296: Specification for unused mineral insulating oil for transformers and switchgear.IEC 60354: Loading guide for oil - immersed power transformers.IEC 60214: Tap-changers - Part 1: Performance requirements and test methods, Part 2: Application guide.IEC 60512: Connectors for electronic equipment.Technical specification:Rated capacity (kVA)voltage combinationVector groupLosses(W)No-load current(%)HV(kV)tapping rangeLV(kV)On-load lossNo-load loss30630/6001002.150910/8701301.1631090/10401501801310/125018011001580/15002000.91251890/18002400.916062310/22002800.82006.32730/26003400.82506.6±5%Yyno3200/30504000.7315100.43830/36504800.740010.5±2x2.5%Dyn114520/43005700.6500115410/51506800.663062008100.680075009800.51000103001150512501200013600.516001450016400.420001980019900.425002300023400.4Rated capacity (kVA)voltage combinationVector groupLosses(KW)No-load current(%)Short circuit impedance(%)HV(kV)tapping rangeLV(kV)On-load lossNo-load loss300.660.092.15.5500.960.132631.1450.151.9801.370.181.81001.650.21.61251.980.241.51602.420.291.42002.860.331.32502010±5x2.5%Yyno3.350.41.23150.44.010.481.1400±2x2.5%Dyn114.730.5715005.660.6816306.820.810.968008.250.980.8100011.331.150.7125013.21.350.7160015.951.630.6200019.141.950.6250022.222.340.5