From its characteristics as well as the structural, pneumatic systematic, relay control systematic and PLC control system of every unit, have made detailed analysis.
从各个单元的结构、气动系统、继电器控制系统和PLC控制系统以及其特点作了详细的分析。
Based on relay feedback self-tuning technology, self-tuning method of multivariable PID controller for coordinate control system of large scaled fossil-fired power unit is stated.
基于继电反馈自整定技术，提出了燃煤大型火电机组协调控制系统多变量pid控制器的自整定方法。
In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
在典型的R LC振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
By using gate control and SCR rectifier circuit instead of relay control system, it makes the unit smaller, cost lower, reliability higher and control function more accurate.
该电路采用晶体管门电路及可控硅代替继电器进行程序控制。具有体积小、成本低、使用稳定可靠、抗干扰能力强、控制精度高等优点。
By using gate control and SCR rectifier circuit instead of relay control system, it makes the unit smaller, cost lower, reliability higher and control function more accurate.
该电路采用晶体管门电路及可控硅代替继电器进行程序控制。具有体积小、成本低、使用稳定可靠、抗干扰能力强、控制精度高等优点。
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