摘要
本文介绍由双向可控硅作为无触点开关和HTL电路组成程序控制器两大部分构成DGK低压硅开关控制柜的原理、抗干扰及运行情况。在触发电路中,改变了常规用继电器触头强触发主回路可控硅为无触点强触发电路触发可控硅。经运行证明,系统工作可靠,抗干扰能力较强。
The article introduces the working principle,the noise immunity and the operation of a DGK duplex thyristor switching console consisting of the following two main parts:a thyristor non—contact switch and an HTL programmed controller.The conventional flip—flop loop using the relay contactor to bring about the forced initiation of the flip—flop action of the thyristor in the main control circuit is replaced by one using non—contact initiation of the SCR.Practical operation shows that the system Works reliably with high immunity from interference.
关键词
电除尘器
可控硅
开关
Electric dust collector
duplex SCR switch
HTL logic circuit
non-contact forced flip-flop circuit
