Specification Transformers 1.Voltage: Oil immersed type from 6kV-40.5kV, Dry type from 6kV-35kV 2.Capacity: 10KVA-40MVA 3.Frequency:50HZ OR 60HZ 4.Cooling method:ONAN 5.Type of Tank:RECTANGULAR 6.Phase:Three or single phase 7.Connection symbol:Yyn or Dyn 11 or others 8.Installation : Outdoor 9.Standard: IEC60076 10. certification:ISO,CQC,IEC Basic paremeter Rated capacity(kVA) H.V. (kV) Tapping range L.V. (kV) Vector group Loss(kW) No-load current (%) Impedance voltage(%) Weith(kg) Load loss No-load loss oil Total 50 33 35 38.5 ±5% or ±2*2.5% 0.4 0.415 0.433 Dyn11 Yyn0 Yd11 1.27 0.21 2.0 6.5 265 860 100 2.12 0.29 1.8 310 1150 125 2.50 0.34 1.7 320 1190 160 2.97 0.36 1.6 360 1230 200 3.50 0.43 1.5 390 1300 250 4.16 0.51 1.4 425 1480 315 5.01 0.61 1.4 460 1590 400 6.05 0.73 1.3 490 1760 500 7.28 0.86 1.2 540 2150 630 8.28 1.04 1.1 620 2380 800 9.90 1.23 1.0 780 2800 1000 12.15 1.44 1.0 850 3410 1250 14.67 1.76 0.9 950 3890 1600 17.55 2.12 0.8 1060 4620 2000 19.35 2.72 0.7 1195 5345 2500 20.70 3.20 0.6 1285 5960 3150 24.30 3.80 0.6 7 1470 6695 4000 28.80 4.52 0.5 1760 8350 Reference ISO 1461: Hot dip galvanized coatings on fabricated iron and steel articles-Specifications and test methods. IEC 60076 Power transformers. IEC 60296 Specification for unused mineral 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 Test Measurement of winding resistance · Measurement of voltage ratio and check of voltage vector relationship · Measurement of no-load loss and current · Dielectric tests · Insulation oil test . Impulse voltage test · Temperature rise test · Short-circuit test · Acoustic sound level measurements Packing:Wooden case 1.Each provide complete protection for marine, truck or rail loading and transportation. Appropriate measures shall be taken to prevent vibration or movement. 2.Each transformer should be packed within wooden crate provided with wooden base with suitable dimensions that secure a protection distance between each packed transformer andanother one to protect it from shocks . Business Condition Delivery date : Within 25 Days After Receipt Of Advanced T/T Payment payment terms :T/T Package : To Be Packed In Standard Export Carton Warranty period : Five Years From Delivery Date Shipping : sea, train,air Why choose us? our company has developed out a series of highlevel transformer products such as dry type transformer ,power transformer,and so on.all the products have been approved by national authorized organizations and has passed provincial identification,and have certificate,such as ISO,CQC,UL…… Our service 1. promptly responds 2.Completely and professional kowledge 3.Kindly and soft aftersales service 4.OUR logol:Continuation,Inovation, profession, Quality 5 years after-sale garantee.we have professional team to offer free after-sale miantain and return. FAQ 1.How about your Minimum Order Quantity ? our Minnimun order quantity is 1 sets,and the small transformers is 1 box. 2.How about your Delivery time The delivery time according to your quantity, Usually it is within 30 working days. 3.What is your terms of payment? T/T