妈湾发电总厂4号机组DCS系统模拟量信号大范围波动分析处理

SETTLEMENT OF PROBLEM CONCERNING LAEGE-AREA FLUCTUATION OF ANALOGOUS SIGNALS IN DCS SYSTEM OF UNIT NO4 AT MAWAN GENERAL POWER PLANT

分析了妈湾发电总厂 4号机组模拟量信号大范围波动的原因 ,介绍了其处理过程及实际效果 。

The causes leading to the title problem have been analyzed, the practical process of handling, as well as its theoretical basis and actual effectiveness, are described. The matters needing attention under construction of DCS system have also been pointed out.