REALIZATION OF SAFETY POWER SOURCE CONTROL IN DCS

LEI Chunming Huaneng Caohu Power Plant

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REALIZATION OF SAFETY POWER SOURCE CONTROL IN DCS

更新时间：2025-09-28

- REALIZATION OF SAFETY POWER SOURCE CONTROL IN DCS
- Thermal Power Generation Vol. 40, Issue 1, Pages: 66-69(2011)
- 作者机构：
  
  华能巢湖电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.6
- Published：2011
- 稿件说明：
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LEI Chunming Huaneng Caohu Power Plant. REALIZATION OF SAFETY POWER SOURCE CONTROL IN DCS[J]. Thermal power generation, 2011, 40(1): 66-69.
DOI：

LEI Chunming Huaneng Caohu Power Plant. REALIZATION OF SAFETY POWER SOURCE CONTROL IN DCS[J]. Thermal power generation, 2011, 40(1): 66-69. DOI：

摘要

对华能巢湖电厂一期2×600 MW机组原保安电源控制系统存在的接线、二次回路、同期检查回路以及控制逻辑复杂

使得控制可靠性差进行了改进

将保安电源系统由PLC控制改为DCS控制

并在调试过程中对保安电源控制系统出现的DCS与柴油发电机的接口、负荷投切、保安段失电判据等问题进行了完善。改造后的保安电源控制系统具有硬件功能完整、响应速度快、可靠性高、维护方便等特点。

Abstract

Owing to worse reliability of original safety power source control system of 2×600 units in first-phase project of Huaneng Caohu Power Plant

resulting from complexity in wire connection

secondary circuit

synchronism-inspecting circuit

and control logics

improvement has been carried out

the safety power source system being retrofitted from PLC control to DCS control

and the problems occurred in safety power source control system

such as interface between DCS and diesel-generator

switchover of load

criterion for power loss in safety section etc.

being perfected.After retrofitting

the safety power source control system boasts advantages of full hardware functions

rapid response speed

high reliability

and convenience in maintenance.

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