S9 Type Oil immersed Oil lmmersed Non-excitation

Transformer is one of the important equipment in the power supply and distribution system of industrial and mining enterprises and civil buildings. It can reduce the network voltage of 10 (6) kV or 35kV to 230/400V bus voltage used by users.  This kind of product is suitable for ac 50 (60) Hz, three-phase maximum rated capacity 2500kVA (single-phase maximum rated capacity 833kVA, generally not recommended to use single-phase transformer), can be used in the indoor (outside), the capacity of 315kVA and below can be installed on the rod, the environment temperature is not higher than 40℃, not lower than -25℃,  The maximum daily average temperature is 30 ° C, the maximum annual average temperature is 20 ° C, the relative humidity is not higher than 90% (ambient temperature is 25 ° C), and the altitude is not higher than 1000m.  If not in accordance with the above conditions of use, should be according to the relevant provisions of GB6450-86, appropriate quota adjustment.

1.This kind of product is applied to power system of three-phase, 50Hz as well as 35kV and below, it is the main transformer equipment of medium and small-sized    transformer substation, supplies power distribution, power and illumination for the industry and agriculture.
2.The company introduces in domestic and overseas advanced technique, adopts the latest material and optimizes design, which enables the product structure more   reasonable, and greatly improves the product electric strength, mechanical strength and heat-sinking capability. S9 series product has passed the short-circuit test  prepared by Wuhan High Voltage Research Institute and also the test prepared by National Center for Quality Supervision & Test of Transformer.
3.    Iron core The iron core is made of high quality cold rolled silicon steel sheet, adopts the kinds of types like full-bias multi-step seam, no punched hole, winding iron core, etc., besides, both stainless steel stay plate and epoxy glass belt are for clamping it.
4.    Coil High quality enameled wire that is made of oxygen free copper or paper wrapped flat copper wire is used as conductor, the coils is provided kinds of types such as drum type, spiral type, improved spiral type, continuous type and interleaved type.
5.    Oil tank The oil tank is of barrel type or shield type, the heat-sinking element is providedwith corrugated plate or plated radiator. The transformer has not been equipped with trolley, but there is a base thataccords with national standard rail gauge welded at the bottom of box for your convenience. Safety protection device
6.    According to national standard and users’ requirements, the transformer may be equipped with following safety protection devices: pressure relief valve, gas relay, signal thermometer, oil purifier, oil conservator, oil sampling valve, etc.
7.    GB1094.1-1996 GB1094.2-1996 GB1094.3-2003 GB1094.5-2003
8.    GB/T6451-2008 GB311.1-1997 JB/T10088-200404
9.    Altitude: ≤1000m
10. Ambient temperature: the highest temperature +40℃, the highest monthly mean temperature +30℃; The highest yearly mean temperature +20℃.
11. Installation environment: inclination of installation place＜3°, no obvious dirt andcorrosive or flammable gas.