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Current-Regulated Inverters with an Output Coupled Inductor for AC Arc Welding Machines

机译:用于交流弧焊机的带输出耦合电感的电流调节型逆变器

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摘要

A current-regulated inverter with an output coupled inductor for AC arc welding machines is proposed in this paper. The output coupled choke keeps the load current continuous and retains the energy during the commutation period. The commutation time can thus be reduced to avoid arc extinction and to ensure a better welding performance. Also the stored energy can be released in the next energy transfer cycle to raise the conversion efficiency. The circuit operations and design procedures are examined thoroughly. Experimental results on prototype inverter for driving a 100-A AC arc welding machine are recorded to validate the effectiveness of the presented scheme.
机译:本文提出了一种用于交流弧焊机的带输出耦合电感的电流调节型逆变器。输出耦合扼流圈可保持负载电流连续,并在换向期间保持能量。因此可以减少换向时间以避免电弧熄灭并确保更好的焊接性能。同样,可以在下一个能量传输周期中释放存储的能量,以提高转换效率。对电路的操作和设计步骤进行了彻底的检查。记录了用于驱动100-A交流弧焊机的原型逆变器的实验结果,以验证所提出方案的有效性。

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