珠海发电厂700MW机组DEH系统的调试

Commissioning of DEH system for 700 MW units in Zhuhai Power Station

介绍珠海发电厂 70 0MW机组DEH系统的结构、功能及调试情况 ,包括回路检查、静态调试、动态调试 ,给出了调试的结果。着重阐述转速控制、负荷控制和OPC (超速控制 )功能的实现 ,分析调试中所遇到的问题并提出解决方法。

This paper introduces the construction,functions and commissioning of DEH (digital electro hydraulic) system for the 700 MW units in Zhuhai Power Station. The commissioning includes loop check,static test and dynamic test. It gives the results of the commissioning and focuses on the accomplishment of speed control,load control and OPC (overspeed protection control) function in the DEH system. Some problems and countermeasures are put forward.