能源工程2026，Vol.46Issue(4)：67-76,10.DOI:10.16189/j.nygc.2026.04.010
适用于DCS改造的轻量化协调模型框架
A lightweight coordination model framework for DCS retrofit
李恩长 1陆豪强 2祝文翔 2韩峰 2何郁晟 2蒋婧文2
作者信息
- 1. 浙江浙能技术研究院有限公司,浙江 杭州 311121||浙江大学工程师学院,浙江 杭州 311121||浙江省火力发电高效节能与污染物控制技术研究重点实验室,浙江 杭州 311121
- 2. 浙江浙能技术研究院有限公司,浙江 杭州 311121||浙江省火力发电高效节能与污染物控制技术研究重点实验室,浙江 杭州 311121
- 折叠
摘要
Abstract
To address the tough problem of insufficient time for coordinated control logic verification during Distributed Control System(DCS)retrofits of thermal power units,this paper proposes a lightweight simulation framework for coordinated control systems and applies it in practical engineering projects.At the core of the framework lies a simplified model,which simplifies the complex coordinated system of thermal power units into a two-input two-output system.Its input variables are total coal feed rate and turbine valve opening,while output variables consist of main steam pressure and unit power.The model retains the critical dynamic characteristics of boiler-turbine coordination and can be easily implemented with DCS function blocks.A convenient parameter tuning method and simulation switching initialization circuit are developed,and simplified simulation models of feedwater,total air flow,oxygen content,furnace pressure and other process objects are integrated to establish a complete coordinated control simulation system.The framework is put into practical test in the DCS retrofit project of a 660 MW supercritical unit.Test results demonstrate that the lightweight simulation framework can effectively assist the verification of key control logics including unit variable load operation,auxiliary equipment RUNBACK and BTU correction.It drastically cuts down on-site commissioning workload,and improves engineering commissioning quality as well as unit operational safety.关键词
DCS改造/协调控制/简化模型/仿真/逻辑验证Key words
DCS Retrofit/coordinated control/simplified model/simulation/logic verification分类
信息技术与安全科学引用本文复制引用
李恩长,陆豪强,祝文翔,韩峰,何郁晟,蒋婧文..适用于DCS改造的轻量化协调模型框架[J].能源工程,2026,46(4):67-76,10.
