摘要
介绍了电焊机缺相保护及报警电路的工作原理和调试方法，实验表明该电路不仅工作可靠，反应灵敏，而且线路简单，调整容易，成本低廉。
The procedure and debugging method of protection and alarm circuit for triphase are descussed.The test shows that the circuit operates reliably and sencitively.The structure is simple and cost is low.
出处
《电焊机》
1999年第5期31-32,共2页
Electric Welding Machine
