秦山二期1、2号机组DEH升级改造调试分析  

Analysis of DEH Upgrade and Transformation Debugging for Units 1 and 2 of Qinshan Phase Ⅱ

作　　者：彭飞 朱涛涛 Peng Fei;Zhu Taotao(CNNC Nuclear Power Operations Management Co.,Ltd.,Zhejiang,Haiyan 314300,China)

机构地区：[1]中核核电运行管理有限公司,浙江海盐314300

出　　处：《仪器仪表用户》2023年第6期30-36,共7页Instrumentation

摘　　要：秦山核电二期的数字电液控制系统(DEH)是汽轮发电机组进行冲转、并网、升功率等的重要调节控制系统及机组异常状况跳机的重要保护系统。本文通过秦山核电二期的DEH系统升级改造调试,对现场改造进行整体介绍,从跳机回路调试、I/O通道调试、调门校验,以及油路调试、手动跳机按钮调试等方面进一步介绍改造后的优势,并分析调试中的问题,通过对调试问题分析,对未来其它核电进行的DEH升级改造调试提供借鉴经验。The digital electro-hydraulic control system is the important control and protection system of Qinshan Ⅱ Plant.It controls the turbine’s raising speed,synchronization and raising megawatts.In this paper,through the two phase of Qinshan DEH system upgrading and debugging,the reform of the site is introduced as a whole,from the jump circuit debugging,the I/O channel debugging,the adjustment of the gate and the oil road debugging and other aspects to introduce the advantages of the reform,and discuss the problems in the debugging.

关 键 词：DEH OVATION AST I/O通道 调试 冗余LVDT 

分 类 号：TM623[电气工程—电力系统及自动化]