S9 series(10kVA)three-phase transformer

General:
　　　S9 series(10kVA)three-phase transformer which is oil-immersed self-cooled double-winding nonexcited voltage-regulating,with a capacity of from 10kVA to 1600kVA ,is China's second generation of energy-saving product.It is in good conformity with CHina's OBY.500.507 standard. Compared with S7 series products,its noload loss has been reduced by 10.25%,onload loss reduced 21.1%,noload current reduced 34.9%,so the energy-saving effectiveness is really noticeable and it's working cost has been reduced.It is the main equipment of the power system,and plays a fundamental role in achieving remarkable ecomomic profits in the process of power transportation and distribution.

Structrer features:
　　This series product is A-class insulated,oil-immersed and self-cooled with a tubulat oil-tank to be installed outdoors.Its iron core is made of high-quality oriented electrical steel,
45皁bliquely jointed without punching and bound with nonparallel glass tape.The stucture of the winding is well able to meet requirements of installation,heat dissipation,mechanical strength and safe running transrormers are corrugated tank structure which powers are 800kVA below,and those transformers which are 1000kVA and above have tubular tanks.