■  本部分产品适用于三相、50Hz、35kV级及以下的电力系统中，是中小型变电站的主要变电设备，供工农业配电、动力和照明用。
■ 本公司吸取国内外先进技术，采用新材料，优化设计，使产品的结构更趋合理，产品的电气强度、机械强度、散热能力等得到明显提高。S9系列产品通过了武汉高压研究所的突发短路实验和国家变压器质量监督检验中心试验。
 

结构特征

■ 铁芯
    斜多阶梯铁芯片选用优质取向冷轧硅钢片，铁芯采用全接缝、无冲孔、卷铁芯等各种型式，紧固采用不锈钢拉板和环氧玻璃丝拉带的夹紧方式。
■ 线圈
   导线选用优质无氧铜制造的漆包线或纸包扁铜线，线圈采用圆筒式、螺旋式、改进螺旋式、连续式、纠结式等型式。
■ 油箱
   油箱采用桶式或罩式的型式，散热元件采用波纹片或片式散热器等组件。
    变压器一般不供给小车，但箱底焊有符合国家标准轨距的底座，便于用户安装。
■ 安全保护装置
    按照国家标准及用户要求，变压器能配置：压力释放阀、气体继电器、迅号温度计、净油器、储油柜、油样活门等安全保护装置。

■  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.
■  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. 

Structural Features

■ Core 
        Multi-step diagonally oriented laminations of high quality cold-rolled silicon steel, iron with full seams, no punching, roll cores, and other types of fastening using stainless steel pull clamping plate and epoxy glass strands belt. 
■ Coil 
        Manufacture of high quality oxygen-free copper wire or wrapped flat copper wire, using cylindrical coil, spiral, spiral improvement, continuous style, type and other types tangled. 
■ Tank 
    Tank using a bucket or a hood type, cooling components using corrugated sheet or piece radiator and other components. 
    Transformers generally do not supply the car, but the bottom line with the national standard gauge welded base, user-friendly installation. 
■  Safety devices 
    In accordance with national standards and user requirements, the transformer can be configured: pressure release valve, gas relay, fast numbers thermometer, oil purifier, reservoir oil tanks, oil sample valve and other safety devices.