DDG (single-phase) DSG (three-phase) low-voltage large current, electric furnace heating transformer
DDG (single-phase) DSG (three-phase) low-voltage large current, electric furnace heating transformer
DDG (single-phase) DSG (three-phase) low-voltage large current, electric furnace heating transformer
DDG (single-phase) DSG (three-phase) low-voltage large current, electric furnace heating transformer
DDG (single-phase) DSG (three-phase) low-voltage large current, electric furnace heating transformer
DDG (single-phase) DSG (three-phase) low-voltage large current, electric furnace heating transformer

DDG (single-phase) DSG (three-phase) low-voltage large current, electric furnace heating transformer

Shanghai Leilang electric furnace heating transformer has single-phase (DDG transformer) and three-phase (SDG) series. This series is characterized by high primary voltage, low secondary voltage and high current. This series of Transformers regardless of the test, heating, are required to step down from the supply voltage to boost current, so that low-voltage current up to thousands or tens of thousands of amperes. The high voltages of this series of products are generally 220V, 380V and 650V. The low voltages can be customized according to the required upflow, suitable for continuous working system, output voltage using safe voltage 3v, 6V, 9V, 12V, 15V, 24V, 36V and so on. When using this series of products, it is necessary to add voltage adjustment in front of the power supply, so that the low-voltage side to achieve stepless regulation. The transformer is widely used for continuous load test and heating of industrial electric furnaces, electric welders, spot welders, boilers, plating, forging and annealing, etc. .

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(+86) 021-59507565

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  • Product Description
  • Product parameters

  • Product details advantages:

    1. The terminal adopts high quality terminal or copper bar, which has high temperature resistance, high pressure resistance and convenient operation.

    2. The windings are made of class H enameled copper or aluminum wire with temperature resistance of 180 ° C and withstanding 5000V voltage.

    3. New cold-rolled silicon steel core, good magnetic flux, low noise, low iron loss, more energy-saving;

    4. The transformer is vacuum impregnated with 180 ° C insulating varnish, and the oven is dried at high temperature, which effectively reduces the vibration and noise in operation, increases the electric strength, prevents corrosion and prolongs the service life.

     

    Application:

    electric furnace heating transformer can be widely used in industry, such as chemical, smelting, short-circuit upflow, heating, annealing spot welding, touch welding, temperature rise test, current impact, electroplating, stainless steel wire drawing, coating, etc. .

  • 技术参数
    产品型号 DDG（单相） / DSG（三相）
    额定容量 0.1KVA ~ 2500KVA （可定制）
    输入电压 220V、380V、650V（可定制）
    输出电压 3V、6V、9V、12V、15V、24V、36V（可定制）
    频率 50Hz / 60Hz 
    绝缘等级 F级/ H级 （可选）
    绕组线材 H级 漆包铝线 或 铜线 （可选）
    绝缘方式 H级绝缘漆真空浸漆
    温    升 F级≤100K / H级≤125K
    耐压测试 初级对次级2.5KV/1分钟
    初级对地2.5KV/1分钟
    次级对地2.5KV/1分钟
    绝缘电阻 初级对次级2500V大于100兆欧
    初级对地2500V大于100兆欧
    次级对地2500V大于100兆欧
    感应耐压 2倍频率/ 2倍电压 /1分钟
    接地电阻 25A＜100毫欧
    温升 F级≤100K；H级≤125K
    阻抗电压 约4%
    变    比 ＜3%
    冷却方式 自冷或风冷
    防护等级 IP20，IP23，IP45，IP54，IP65 （可定制）
    噪   音 ≤35-65dB (1米内）    
    工作效率 ≥97%            
    环境温度 -25℃~+40℃
    海拔高度 ﹤2000M
    以上参数仅供参考，具体参数请联系客服，以实际设计参数为准！

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