The practice shows that LOGO control is simple, reduces electricity fault rate and is worth extended by contrasting LOGO control to direct-currentrelay control.
运用实践证明:LOGO控制简单方便,减小了电气故障率,值得推广。
2
When the power machines of wind-tunnel work such as alternating-current machine governor and direct-current machine governor and relay, they will bring about strong interference.