摘要
本文依据香港青山电厂4×680MW+4×350MW机组输煤控制系统改造工程的情况及要求,对输煤控制由PLC程序控制取代继电器集中控制的过渡和实施方案进行了分析论述,提出了一种安全过渡和切换方案,以利于改造过程中输系统的安全、可靠运行。
Text rely on instance request of reconstruct engineering in control system of transport coal of 4×680mw＋4×350mw unit in hongkong qing shan power plant.Discuss on transition scheme replace relay convergence control by PLC for control system of transport coal,bring forward a kind of scheme of safety transition switch scheme.Bring advantage to safety and credibility run of transport coal system during reconstruct process.
出处
《电力勘测设计》
2011年第1期45-50,共6页
Electric Power Survey & Design
