On the basis of modeling, simulation and field test, proposed are the PID parameter setting range of the governor under the large grid operating condition, and the power control mode of the unit.

通过建模、仿真及现场试验，提出了机组并联于大电网工况下的调速器PID参数整定范围和应有的机组功率控制模式。

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By analyzing the running mode adjusting condition in the fire-power plant of central air condition control system, this paper expatiated how to use PLC to control it.

对火电厂中央空调控制系统的运行调节中如何采用可编程序控制器(PLC)控制进行了阐述。

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In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.

该开关电源采用新颖的双管串联模式，解决了高电压输入条件下开关管的选用难题。

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