高频交流弧焊接实验

基本电路为串联谐振结构
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空载输出电压
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空载电流波形
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荷载电流波形
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.   这是工作在感亢降压模式下的锯齿波,非常适合ZVS关断;如果结合动态死区控制,接入较大的吸收电容则可以实现很高的开关效率;初级有一定的无功电流成份;空载电压75V,激弧很容易,5-10A小电流下电弧非常稳定;

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