中国电力2017，Vol.50Issue(9)：143-147,5.DOI:10.11930/j.issn.1004-9649.201705050
上汽超超临界汽轮机汽门快关控制逻辑优化
Optimization on the Logic of Fast Valving System of Ultra-Supercritical Unit of Shanghai Turbine Company
樊印龙 1张宝 1李蔚 2丁阳俊 1顾正皓1
作者信息
- 1. 国网浙江省电力公司电力科学研究院,浙江杭州310014
- 2. 浙江大学热工与动力系统研究所,浙江杭州310027
- 折叠
摘要
Abstract
In order to guarantee the stability of the power system,fast valving is usually set up for turbine units,which can effectively avoid unit tripping during the transient fault of power grids.However,tripping accidents caused by the misoperation of the fast valving system during the transient fault of power grids have occurred in many units in recent years.In this paper,with the discussion of several such accidents and taking a 660 MW ultra-supercritical unit made by Shanghai Turbine Company as an example the fast valving model is established and the fast valving logic is analyzed.To improve the reliabilities of the fast valving system,the time delay and the speed quantitation are added to the original logic judgment to carry out simulation for the logic optimization.The simulation results show that the optimization can make the fast valving system work better and avoid its malfunction at the same time,ensuring the safe operation of the units.关键词
超超临界机组/汽轮机/汽门快关/快关延时/逻辑优化Key words
ultra-supercritical unit/turbine/fast valving/time delay/logic optimization分类
信息技术与安全科学引用本文复制引用
樊印龙,张宝,李蔚,丁阳俊,顾正皓..上汽超超临界汽轮机汽门快关控制逻辑优化[J].中国电力,2017,50(9):143-147,5.
