电炉变压器

电炉变压器

l       概述与用途

      电炉变压器是指工业电炉冶炼用电源变压器，它是根据各种电炉的工作特性和运作方式而设计的专用变压器。主要包括：炼钢电弧炉变压器、钢包精炼炉变压器、中频感应电炉变压器和工频炉变压器等各种交流炉用变压器。

    变流变压器指与变流装置配合使用的专用电源变压器。它包括与整流器配套用的整流变压器和与变频装置配合使用的变流变压器。
    整流变压器是应用最为广泛的变流变压器。电化学用整流变压器是人们最为熟知的一种、牵引用整流变压器应用也较多。
    与变频装置配用的变流变压器、随着变频技术发展，在拖动、调整及直接或间接变频装置应用领域越来越广。
    本目录编入的产品以按现行工业变流变压器标准设计制造的变压器为主，也有根据产品特点，以节省电力消耗、稳定可靠运行为特色的产品。
    变流变压器型号，由下述代码组成：

分类码：一般工业用ZB、电化学电解用ZH、特殊用ZY、变频调速用ZM、变频电源用ZP、传动用Z。
     相数：单相D；三相S。
     冷却介质：变压器油（略）；空气G，
     冷却装置：自然冷却（略）；吹风冷却F；水冷却S。
     油循环方式：自然循环（略）；强迫P。
     调压方式：无励磁调（略）；网侧有载调Z；内附调压器T。
     内附装置：平衡电抗器K；饱和电抗器B。
   Current & Voltage Transformer is the special power supply transformer which is used with changing current device, it includes commute transformer which attach with rectifier and the current & voltage regulator which attach with changing frequency device.
Commute transformer is the Current & Voltage Transformer which is used most widely. Electrochemistry Commute Transformer is well known to the people, on the other hand, Drawing Commute Transformer is also used widely.
The Current & Voltage Transformer attach with frequency converted technology, with the development of frequency converted technology, the using field is becoming bigger and bigger in the field of drawing, timing and direct & indirect frequency converted devices.
The product listed in this catalogue is designed in accordance with current industrial current & voltage transformer standard, in the meantime, our company also produces these products, not only can save electric power, but also operate stability according to product's feature.
Classify code; ZB is used in Common Industry, ZH is used in Electrochemistry & Electrolyze, ZY is used specially, ZM is used in frequency converted & timing, ZP is used in frequency converted power supply, Z is used in the transmission.
Phase number: single phase D; three-phase
Cooling medium: oil of transformer(omit); air G Cooling device: natural cooling (omit); cooling F by wind, water cooling S
Oil circle ways: natural circle (omit), force P
The ways of regulating voltage: non-Excitation (omit); loading voltage regulated Z in the net-side, voltage regulator T inside. Inner device; balance reactor K, saturation reactor B

l        中频电炉专用整流变压器主要优点：

是按国家行业标准及根据不同电炉的工艺而设计，损耗低、冶炼效率高、运行可靠等特点。其结构分：无电抗器和有电抗器两种，也有大阻抗和小阻抗的结构以满足使用需要。

其突出的特点是:节能环保、防谐波、不发热、抗短路、过载能力强、熔化速度快。与常规同容量变压器相比，熔炼时间缩短20%左右，吨电耗下降70度左右，年产量按3千吨计算，每年约可节电21万度。该产品适用于30吨以下中频炉专用。高压侧电压为10KV和35KV。低压侧电压分为：400V，600V，660V，690V，700V，720V，750V，800V，850V，900V，950V，1000V，1050V，1100V，1250V。1500V等十六种。

l        技术参数