Mva 110/10kv 138/10.5kv Step Down Power Transformer 11 Round Silicon Steel Sheet Power Distribution S11 3 Years AC/DC Onan Onaf

Mva 110/10kv 138/10.5kv Step Down Power Transformer 11 Round Silicon Steel Sheet POWER Distribution S11 3 Years AC/DC ONAN ONAFproduct introduction...>Power transformer is main primary equipment in power grid, especially on long distance transf-ormation.   >General type is used for up and down voltage ,auto transformer is used for coupling power system with different voltage level.   >There are various types power transformer such as double winding, triple winding, off circuit tap change, on load tap change, high impedance.   >Apply to grid power station, hydropower station, thermal power plant, industrial power station and soon.   >HENGFENGYOU ELECTRIC using high purity copper winding, Bao-steel high performance CRGO four stages lamination, loss level could better than GB and IEC standard.   >Using processes like tension plate, cushion block precompression, outside and inside gagger to guarantee performance of loss level, dynamic stability, heat stability, and noise level.   >Nice appearance with bending corrugated bell jar type oil box.-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Product advantage... > Leading technology- High voltage copper strip winding technology, improve lightning resistance- Low voltage copper foil winding technology, high quality A class insulation material insulation- Small magnetic leakage, high mechanical strength, strong resistance to short circuit- Core 45° fully oblique joint stepping laminated structure> The shell- Japanese mitsubishi laser cutting machine and numerical control punching, reducing, folding and other equipment to ensure the accuracy of processing- ABB robot automatic welding, laser detection, to avoid leakage, pass rate of 99.99998%- Electrostatic plastic spray treatment, 50 years do not take off the paint (coating corrosion resistance within 100h, hardness ≥0.4)- Sealed structure, maintenance-free, normal operation life of more than 30 years> The iron core- The iron core is made of high quality cold-rolled grain oriented silicon steel sheet with mineral oxide insulation (from Baosteel and WISCO of China).- By controlling the cutting and stacking process of silicon steel sheet, the loss level, no-load current and noise can be minimized- The iron core is specially reinforced to ensure the structure of the transformer is firm during normal operation and transportation> Winding- The low voltage winding is made of high quality copper foil with excellent insulation resistance- The high-voltage winding is usually wound with insulated copper wire, using the technology patented by hengfengyou electric- It has very good ability to bear radial stress caused by short circuit> High quality material- Baosteel and WISCO produce silicon steel sheets- China's high quality oxygen free copper- CNPC (Kunlun Petroleum) High quality transformer oil (25#)> Other Notes- The low voltage outlet terminal is tin-plated copper bar- High voltage outlet terminals are ring - type tin-plated bolts- Default NLTC (no Load tap changer) ,OLTC(on load tap changer) can be customized.Tap switch 5 or 7 adjustment- Transformers above 630KVA are equipped with gas relay protection> Patent technology- Thanks to the patented technology of "ultra-low loss energy-saving power transformer" of Hengfengyou Electric, the material can be saved by 5%, and the loss of the transformer can be reduced by 10-20% compared with similar products in the market, which is more energy saving and environmental protection.Product details----------------------------------------------------------------------------------------------------------------------------------------------------------company profile...HENGFENGYOU TRANSFORMERbelongs to HENGFENGYOU ELECTRIC Group, It is a power transformer products as the main business, set product research and development, design, production and sales of enterprises, designated suppliers for the world's top 500 enterprises. We are committed top roviding the best distribution transformer solutions for global customers. Keyfigures▪Founded:1990▪2018 revenue: 635 million RMB▪350 employees 30 electrical engineers▪4 production locations in China (Qingdao, Liaocheng, Xuzhou, Shijiazhuang)▪6% of revenues are invested in research and developmentPower distribution solutions that drive the global energy transitionWith energy demand expanding in both developed and emerging countries, the challenge for HENGFENGYOU Group is to connect energy with people. The group's teams work as closely as possible with projects and decision makers and design and propose technical and process solutions based on global user needs.----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------