通过厚薄两种开关的综合调整，使输出焊接电流去适应更薄和更广的范围成为可能。
Through combination adjustment of the thick and thin switches, to make the output welding current be possible to adjust the scope thinner and wider.
电源电压列在“主要性能参数”表中，在一般情况下，焊机内的电压自动补偿电路将保证焊接电流保持在允许的范围。
Supply voltage in the "main performance parameters" in the table, under normal circumstances, the welding voltage compensation circuit will guarantee automatic welding current to keep the scope.
系统采用积分分离式变参数PID调节器，在焊接电流调节范围内，具有良好的响应速度和调节性能。
The PID adjuster of integration separation mode has been used in this system, which have good responsive speed and adjust property in the range of welding current.
发现超窄间隙焊的焊接电压范围在21 ~24v，电流在210 ~ 270a能够得到较好的焊缝成形。
When welding voltage is between 21v and 24v and welding current is between 210a and 270a, better welding line can be obtained.
试验结果表明，焊接电流调节范围宽。电流控制精确。
Experiments show that the welding current can be adjusted in a wide range and controlled precisely with this system.
试验结果表明，焊接电流调节范围宽。电流控制精确。
Experiments show that the welding current can be adjusted in a wide range and controlled precisely with this system.
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