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ZPS型中频炉专用变压器

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ZPS型中频炉专用变压器

  • 所属分类:特种变压器

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  • 发布日期:2019/02/26
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产品概述 Overview

       
        ZPS系列中频炉专用变压器是恒安源电气经过多年的研制开发出的高效、节能的新型变压器。中频炉专用变压器依据中频炉变压器的设计原理不断进行研发创新,它的上市为用户节约了大量的成本费用,省钱效果看得见摸得着,我公司可根据用户需求量身定做。

        ZPS series medium frequency furnace special transformer is a new type of high efficiency and energy saving transformer developed by Henganyuan Electric after many years of research and development. The medium frequency furnace special transformer is continuously researched and developed according to the design principle of the medium frequency furnace transformer. Its listing saves a lot of cost and cost for the user, and the money saving effect is tangible and tangible. Our company can be customized according to user needs.

产品展示 Display

有载调压变压器

型号含义 Meaning

     

S11-M型低损耗全密封三相油浸式变压器型号含义


结构特点 Structure


          1、油箱:油箱采用散热油管(双排和三排油管采用插片方式),或采用阶梯片式散热器,在同样的箱壁面积下增加了散热能力;测算也可根据用户要求安装片式散热器或采用波纹油箱,及强油风冷或强油水冷散热器。油箱表面处理:变压器外壳油漆采用“三防漆”(防盐雾、防湿热、防霉菌),此漆与底漆附着力强,装饰性好,薄膜耐油性,耐腐蚀性、保光性、保色性较好,有良好的流平性和遮盖力。
          2、中频炉变压器的铁芯:采用30Q130高导磁硅钢片,同时采用选进的3~6级step-lap core stacking步进多级叠片方式,有较降低了空载损耗、空载电流和噪声。
          3、绕组:电磁线采用了高导电率的无氧铜导线,绕组采用园筒式、双饼式和新型螺旋式等结构的整体套装新工艺,使产品结构更紧凑,主绝缘能等到有效保证,对首尾层进行加强,提高了绝缘性能。绕组外表面缠绕高强度的紧缩带,提高了绕组的机械强度,使产品的抗冲击能力和抗短路能力大提高。
          4、器身:器身绝缘垫块均采用高强度的层压木和层压纸板支撑,使绕组的端部的支撑面积达到95%以上,进一步提高了产品抗短路能力,提高产品的运行可靠性。器身与箱盖的连接采用了呆板带缓冲结构,克服了器身“悬空”和“顶盖”现象。绝缘材料均采用高强度、高密度电缆纸包绕,其允许的压应力为45Mpa。
          

           1.Oil tank: The oil tank adopts the heat-dissipating oil pipe (the double-row and the three-row oil pipe adopt the inserting method), or the step-plate type heat sink increases the heat-dissipating capacity under the same wall area; the calculation can also be installed according to the user's requirements. Radiator or corrugated oil tank, and strong oil air-cooled or strong oil water-cooled radiator. Oil tank surface treatment: The transformer shell paint adopts “three anti-paint” (anti-salt spray, anti-humidity heat, anti-mold), the paint and primer have strong adhesion, good decoration, film oil resistance, corrosion resistance, gloss retention, Good color retention, good leveling and hiding power..

           2. The core of the intermediate frequency furnace transformer: 30Q130 high permeability magnetic silicon steel sheet is adopted, and the selected 3-6 stage step-lap core stacking stepping multi-stage lamination method is adopted, which reduces the no-load loss and no-load current. And noise.
           3. Winding: The electromagnetic wire adopts the oxygen-free copper wire with high conductivity. The winding adopts the whole process of the whole package of the cylindrical type, double cake type and new spiral type, which makes the product structure more compact and the main insulation can be effectively guaranteed. The first and last layers are strengthened to improve the insulation performance. The outer surface of the winding is wound with a high-strength tightening belt, which improves the mechanical strength of the winding and greatly improves the impact resistance and short-circuit resistance of the product.
           4. Body: The insulation blocks of the body are supported by high-strength laminated wood and laminated cardboard, so that the support area of the end of the winding reaches over 95%, which further improves the short-circuit resistance of the product and improves the reliable operation of the product. Sex. The connection between the body and the cover adopts a rigid buffer structure, which overcomes the phenomenon of "hanging" and "top cover" of the body. The insulating materials are wrapped with high-strength, high-density cable paper, which allows a compressive stress of 45 MPa..

           

产品特点Characteristics

       

        1、节能、高效、环保。

        根据国家强制性标准《电力变压器能效限定值及能效等级》要求,地特力电气生产的中频炉专用变压器属于一级标准(一级产品能耗蕞低,三级产品能耗高)。在电网建设的过程中,变压器担当了非常重要的角色。电力变压器是输送电力的关键电气设备,变压器自耗占电网损耗的30%~40%。一方面有效降低运行中的能耗和噪声,另一方面应大限度降低铜、铁、油、绝缘件等原材料的使用,避免不可再生资源的过度浪费。节电效果明显,噪声低(<65dB)。

        2、防谐波
        恒安源电气生产的中频炉专用变压器采用12脉波变压器则对网侧绕组的各次谐波均有消除作用。
谐波是正弦波,每个谐波都具有不同的频率,幅度与相角。谐波可以区分为偶次与奇次性,第3、5、7次编号的为奇次谐波,而2、4、6、8等为偶次谐波,如基波为50Hz时,2次谐波为l00Hz,3次谐波则是150Hz。一般地讲,奇次谐波引起的危害比偶次谐波更多更大。
        产品结合负载特点和电网电压波动、大气过电压情况,根据整流变压器的负载状况,确定合理、可靠的绝缘水平和绝缘模型,充分保证产品的电气性能可靠和稳定。产品环境安全系数≥1.67。 

         3、不发热、过载能力强
         恒安源电气生产在中频炉专用变压器的生产和用料上,通过准确计算技术参数,选用优质高导磁、低损耗的优质硅钢片制造铁心和导线,并通过科学的方法确定铜铁的比例,从原材料上保证变压器具有较低的空载损耗和低噪声性能。通过“开源节流”的方法加大变压器的散热量和电流的有效控制,保证变压器稳定高效运作。
         先进的产品设计,严格控制产品的发热部位及热点温升,并留有充分的温升裕度,如需要可在线圈内加添轴向油道,根据线圈负载损耗值选择冷却方式并合理分配油流量,达到佳冷却效果,主要温升指标均比国标至少低5℃。线圈、引线采用铜导线,电流密度选取较低。
         产品具有较强的过负载能力和过电压能力,可在额定负载情况下长期安全运行,可在110%过电压情况下满负载长期安全运行(环境温度40℃);变压器与电机相联的端子上能承受1.5倍额定电流,历时5S。产品设计、制造充分考虑负载特性,从温升、绝缘性能及附件选择等各方面满足过载要求。

        4、抗短路
        根据变压器短路冲击事故的统计结果表明,制造原因引起的短路的占80%左右,而运行和维护原因只占10%左右。
        恒安源电气通过以下措施提高中频炉专用变压器的抗短路能力:
        1) 规范设计,重视线圈制造的轴向押金工艺。
        2) 对中频炉专用变压器进行短路实验,以防患于未然。
        3) 使用可靠的继电保护与自动重合闸系统。
        通过以上方法方式增强中频炉变压器的抗短路能力,保障用户安全、稳定、持久的使用和收益。
       1. Energy saving, high efficiency and environmental protection.
        According to the national mandatory standard "power transformer energy efficiency limit value and energy efficiency rating" requirements, the special frequency transformer for intermediate frequency furnace produced by the special electric power is a first-class standard (the first-class product has the lowest energy consumption and the third-class product has the highest energy consumption). Transformers play a very important role in the construction of the power grid. The power transformer is the key electrical equipment for transmitting electricity. The self-consumption of the transformer accounts for 30%~40% of the grid loss. On the one hand, it can effectively reduce the energy consumption and noise during operation, on the other hand, it should minimize the use of raw materials such as copper, iron, oil and insulation, and avoid excessive waste of non-renewable resources. Power saving effect is obvious, low noise (<65dB).

       2. Anti-harmonics
       The special transformer for medium frequency furnace produced by Henganyuan Electric uses 12-pulse transformer to eliminate the harmonics of the grid side winding.
       Harmonics are sinusoidal waves, each with a different frequency, amplitude and phase angle. Harmonics can be divided into even and odd times. The third, fifth, and seventh times are odd harmonics, and 2, 4, 6, and 8 are even harmonics. For example, if the fundamental is 50Hz, 2 The subharmonic is l00Hz, and the third harmonic is 150Hz. In general, odd harmonics cause more damage than even harmonics.
       The product combines load characteristics and grid voltage fluctuations, atmospheric over-voltage conditions, according to the load condition of the rectifier transformer, determines a reasonable and reliable insulation level and insulation model to fully ensure the electrical performance of the product is reliable and stable. Product environmental safety factor ≥ 1.67.

      3.No heat, strong overload
        Henganyuan produces iron cores and wires in high-quality, high-magnetic, low-loss high-quality silicon steel sheets, and scientifically determines the proportion of copper and iron by accurately calculating the technical parameters. The raw materials ensure that the transformer has low no-load loss and low noise performance. Through the "open source and throttling" method, the heat dissipation of the transformer and the effective control of the current are increased to ensure the stable and efficient operation of the transformer.
        Advanced product design, strictly control the heating part of the product and the hottest temperature rise, and leave sufficient temperature rise margin. If necessary, add axial oil passage to the coil, and select the cooling method according to the coil load loss value. The oil flow is distributed to achieve the best cooling effect, and the main temperature rise indicators are at least 5 °C lower than the national standard. The coil and the lead wire are made of copper wire, and the current density is selected to be low.
       The product has strong overload capacity and over-voltage capability. It can operate safely for a long time under rated load conditions. It can operate at full load for a long time under 110% over-voltage condition (ambient temperature 40°C); terminal connected to transformer and motor It can withstand 1.5 times the rated current and lasts for 5 seconds. The product design and manufacture fully consider the load characteristics, and meet the overload requirements from various aspects such as temperature rise, insulation performance and accessory selection.

      4. short circuit
      According to the statistical results of transformer short-circuit shock accidents, the short circuit caused by manufacturing causes about 80%, while the operation and maintenance reasons only account for about 10%.
      Henganyuan Electric has improved the short-circuit resistance of special transformers for intermediate frequency furnaces by the following measures:
      1) Standard design, pay attention to the axial deposit process of coil manufacturing.
      2) Short-circuit experiments on special transformers for intermediate frequency furnaces to prevent problems before they occur.
      3) Use reliable relay protection and automatic reclosing system.
    Through the above methods, the short-circuit resistance of the intermediate frequency furnace transformer is enhanced, and the user's safety, stability, and long-lasting use and benefits are ensured.         
执行标准 Standard


          1、IEC60076-1:1993 电力变压器
          2、GB1094.1-1996 电力变压器
          3、GB6451-2008 油浸式电力变压器技术参数和要求
          4、JB/T10088-2004 6KV~500KV级电力变压器声级


          1. IEC60076-1:1993 Power Transformer
          2. GB1094.1-1996 power transformer
          3. GB6451-2008 oil immersed power transformer technical parameters and requirements
          4. JB/T10088-2004 6KV~500KV class power transformer sound level

使用条件 Conditions

          1、高环境温度:+40℃
         2、低环境温度:-25℃
         3、海拔高度:<1500m
         4、高月平均相对湿度:90%(20℃)
         5、安装地点:安装在没有火灾、爆炸危险、严重污秽、化学腐蚀及剧烈震动的场所,户内或户外。

         1. the highest ambient temperature: +40 ° C
         2. the minimum ambient temperature: -25 ° C
         3. Altitude: <1500m
         4. the highest monthly average relative humidity: 90% (20 ° C)
         5. Installation location: Installed in a place without fire, explosion hazard, serious pollution, chemical corrosion and severe vibration, indoors or outdoors.





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关键词:中频变压器,中频炉专用变压器,ZPS型

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