The paper analyzes the control algorithm of PI, external characteristic of power source and the feeding speed.
分析了PI控制算法、电源外特性控制算法、送丝速度控制算法，以及控制程序的优化设计。
The Lower the External Characteristic of the Iron-core Transformer, the Lower the Power Factor of the Inductive Load?
感性负载功率因数越低，铁芯变压器的外特性越下降吗?。
Effects of external characteristic of typical are welding power sources on the welding spatter was studied by the specific slope- controlled SCR are - welding rectifier.
利用特制的变结构晶闸管整流焊机，研究典型焊机外特性对焊接飞溅的影响；
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