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  • 35kV光伏发电用组合式变压器

    光伏发电作为一种清洁的能源生产方式,在国内外得到迅速的发展,Z□S-ZG-□/□系列组合式变压器正是为满足日益增长的光伏发电的供电要求,在公司生产35KV组合式变压器基础上,消化吸收国内外的先进技术结合国内需求自行开发的系列产品。该产品是将变压器、负荷开关、高压熔断器安装在变压器的箱体内,利用变压器的绝缘油作为整个产品的绝缘和散热介质,油箱采用全密封结构,具有体积小、重量轻,安装方便等优点。

  • 产品特点

    光伏发电作为一种清洁的能源生产方式,在国内外得到迅速的发展,Z□S-ZG-□/□系列组合式变压器正是为满足日益增长的光伏发电的供电要求,在公司生产35KV组合式变压器基础上,消化吸收国内外的先进技术结合国内需求自行开发的系列产品。该产品是将变压器、负荷开关、高压熔断器安装在变压器的箱体内,利用变压器的绝缘油作为整个产品的绝缘和散热介质,油箱采用全密封结构,具有体积小、重量轻,安装方便等优点。光伏发电用组合式变压器主要分为双绕组和双分裂两种。其中轴向双分裂髙压采用轴向分段绕制。低压采用铜箔绕制的方案,低压两个分变可以单独运行、也可以同时运行和并联运行,在光伏发电中得到了广泛应用。

    As a clean energy production method, Photovoltaic Power Generation has a rapid development at home and abroad. Z□S-ZG-□/□ Series Combined-type Transformers exactly suits for the increasing need of photovoltaic power generation. It is a series of products developed on our own on the basis of 35KV Combined-type Transformers through the combination of advanced technologies in the world with domestic requirements. Transformers, load switches and high voltage fuses are mounted in this product. The insulating oil of the transformer is used for insulation and cooling. The omni-sealed tank features small size, light weight and simple installation. Double-wound and double-split transformers are two major types of Combined-type Transformer for Photovoltaic Power Generation And axial grading coils are used in Axial Double-split High Voltage Transformer. Copper foil winding is used in Low Voltage Transformer. Two separate transformers in the low voltage module can operate independently, or simultaneously or operate in parallel, which are widely applied in photovoltaic power generation.

  • 产品型号及意义


    变压器电压等级35(KV)
    Voltage level of the transformer 35(KV)

    变压器额定容量(kVA)
    Rated capacity of the transformer (kVA)

    光伏发电
    Photovoltaic power generation

    终端型Terminal

    三相Three Phase

    "G"共箱式G for sharing box type
    "F"分箱式 F for separate box type

    组合式变压器
    Combined-type Transformer

    结构特点
    ZGS-ZG光伏发电用组合式变压器由高压室、变压器本体和低压室三个部分组成,按"目"字形或"L"字形布置。
    高压带电体及高压电缆用单独的隔案分开,并加装电磁锁装置,方便安装及维护;高压负荷开关采用两工位油浸式负荷开关,产品采用插入式全范围保护熔断器保护,高压组件与变压器身同在一个油箱内;
    变压器本体采用共箱结构,高低压套管采用侧面出线,方便与高低压电器直接相连,插入式熔断器置于器身的上面,有效的减小了安装空间。散热片安装在变压器本体的侧面,散热效果好,散热片可以是敝开式也可以是封闭式的安装方式;
    该产品为低压双分裂式变压器。采用轴向双分裂,不仅限制了短路电流,而且节省了基本建设投资;
    无渗漏,每台箱体均经过50KPa/12小时的密封试验保证油箱无渗漏;
    设备外壳采用严格的涂装工艺进行喷涂,户外耐侯性能强,能适应高海拔、重盐雾等恶劣地区的防腐要求;
    变压器散热片直接与外部空气接触,散热效果好。

    使用条件
    海拔高度:≤4000米;
    环境温度:高温度+42°C,低温度-40°C;
    湿度:日相对湿度平均值不超过95%,月相对湿度平均不超过90%;
    风速:户外风速不超过45m/s;
    防震:水平加速度不大于0.4m/s2,垂直加速度不大于0.15m/s2;
    安装地点倾斜度:不大于3;
    安装环境:周围空气不受腐蚀性,可燃性气体等明显污染,安装地点无剧烈振动;
    定购本产品超出上述条件的规定时,可与本公司协商。

    Structural Features:
    ZGS-ZG Combined-type Transformer for Photovoltaic Power Generation is constituted by high voltage module, transformer and low voltage module, with parallel layout in alignment or in the shape of L.
    High voltage live parts and the high voltage cables are separated with independent plate and electromagnetic lock is added, offering convenience for installation and maintenance. Two-station oil-immersed load switch is used as high voltage load switch; The product is protected with pull-out fuse of full range protection and the high voltage units and the transformer are in the same oil tank;
    Sharing box structure is used in the body unit of the transformer. The outlets of the low and high voltage cable pipes are in the side face to directly connect the low and high voltage units. The pull-out fuse is mounted in the top of the transformer, which effectively reduce the installation space. The cooling fan is mounted in the side face of the transformer and the mounting style of the cooling fan can either be open or enclosed.
    This product is low voltage double-split transformer. Axial double-split type gives a limit to the short circuit current and save the basic investment for construction;
    Each product has been tested for sealing under 50kPa/12h to ensure no leakage occurs in the oil tank;
    The shell of the unit is spaying coated, with a strong outdoor durability, and reaching the standards for anti-corrosion in areas of high altitude or with high density of salt or fog.
    The cooling fan of the transformer directly contact with the outer air, creating a good cooling effect.

    Operation Conditions
    Height:≤4000m;
    Temperature: ranging from -40°C to 42°C;
    Humidity: average relative humidity in a day: less than 95%; average relative humidity in a month: less than 90%;
    Air speed: Slower than 45m/s in outdoor;
    Anti-shock: horizontal acceleration less than 0.4m/s2; vertical acceleration less than 0.15m/s2;
    Tilt degree of the installation ground: less than 3;
    Environment: No corrosive and flammable substance in the air, no shake.
    If more conditions should be taken into account, please negotiate with us.

    参考系统图

  • 技术数据
    容量
    Capacity
    高压开关
    High Voltage Switch
    高压熔断器
    High Voltage Fuse
    高压避雷器
    High Voltage Lightening Arrester
    低压开关
    Low Voltage Switch
    辅助变压器
    Auxiliary Transformer
    40.5 40.5 40.5
    600 BYF1-40.5
    LS28338H3
    XRNT-40.5/25 HY5WZ-51/134 W2断路器
    W1断路器
    W2 circuit breaker
    W1 circuit breaker
    SG-3/0.38容量可根据实际需要确定
    SG-3/0.38 capacity can be determined in accordance with actual requirements


    参考基础图(L型


    台基基础说明:
    1。台基设在地势较高处,四周向外排水,表面平整,能均匀承受组合式变压器的重量;
    2.内外壁及台基平台用1:2水泥砂将抹20毫米厚;
    3.电缆室底面须向排水槽倾斜,以免积水;
    4。台基作法应符合JGJ16《建筑电气设计技术规程》有关规定。

    Description of the basement of the platform:
    1。 The platform should be in a higher position whose surface is flat with good drainage and the capability to evenly bear the weight of the combined transformer;
    2。 Both the exterior and interior surfaces and the platform should be covered with 20 mm cement and sand plasters (1:2);
    3. The bottom of the cable room should incline towards the drainage channel to prevent water residual;
    4. The construction of the platform should be in conformity with the rules in JGJ16 Technical Regulations for Electrical Design in Architecture.

  • 执行标准

    GB1094《电力变压器》
    GB/T6451《三相油浸式电力变压器技术参数和要求》
    JB/T10217《组合式变压器》
    GB1094 Power Transformer
    GB/T6451 Technical Parameters and Requirements for Three-phase Oil-immersed Power Transformer
    JB/T10217 Combined-type Transformer

  • 订货须知

    订货时请您提供如下技术资料,以便我们更准确、快速地为您服务:
    设备运行环境;
    变压器技术参数,包括变压器容量、分接范围、电压等级、连接组别、阻抗、损耗水平等;
    高压回路技术要求,包括回路数,高压电缆截面;
    低压回路技术要求,包括每相进线电缆数量、电缆截面、低压进线开关类型;
    功能件:高压带电显示,高压避雷器;
    其他技术要求。

    Please offer us the following technical data when you place an order so that we can serve you with better accuracy and efficiency.
    Operation environment for equipment;
    Technical parameters of transformers, including transformer capacity, tapping range, voltage grade, connections, impedance, loss level, etc.
    Requirements of high voltage loop, including loop number, and high voltage cable section;
    Requirements of low voltage loop, including the amount of inlet cables per phase, cable section and switch type of low voltage inlet wire;
    Functional parts: high voltage live displaying unit, high voltage lightening arrester;
    And other technical requirements.

    注:本产品手册中所提供的信息R是对产品的一般说明和特性介绍。文中内容可能与实际应用的情况有所出入,并且可能会随着产品的进一步开发而变化,仅当相关合同条款中有明确规定时,公司有责任提供文中所述的产品特性。
    Note: This product manual presents only general specifications and characteristics of the product. The information provided may not be the same as it is in actual application and vary as the product is further developed. Only if it is stipulated by certain contract terms will our company be responsible to provide the features described in the manual.

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