ICS 27.100 CCS K51 中华人民共和国电力行业标准 DL/T 1340—2025 替代DL/T 1340－2014 火力发电厂 分散控制系统故障应急处理导则 Directives f or emergency handling of distributed control system in fossil fuel power plant 2025-06-30发布 2025-12-30实施 国家能源局 发 布 DL I 目 次 前言 ································ ················································································· Ⅱ 1. 范围 ································ ··············································································· 1 2. 规范性引用文件································································ ································· 1 3. 术语和定义 ································································································ ······· 1 4. 总则 ································································································ ················ 4 5. 应急处理准备 ································ ···································································· 4 5.1 故障源辨识 ································································································ ·· 4 5.2 故障应急处理准备 ························································································· 4 6. 故障应急处理 ································································································ ···· 4 6.1 应急处理响应 ································ ······························································· 4 6.2 现场应急处置原则 ························································································· 5 6.3 故障应急处理结束 ························································································· 7 6.4 故障应急处理后期处置 ·················································································· 8 7. 故障应急处理长效管理 ······················································································· 8 7.1 故障应急处理 培训 ························································································· 8 7.2 故障应急处理 演习 ························································································· 8 7.3 故障应急处理预案管理 ·················································································· 8 附录A（规范性） 分散控制系统 故障源分级 ································ ································ · 9 附录B（资料性）分散控制系统故障应急处理组织体系 ································ ················ 11 附录C（资料性） 分散控制系统应急处理预案的编制规范 ································ ············· 13 附录D（资料性）分散控制系统试验方案 ·································································· 19 II 前 言 本文件按照 GB/T 1.1－2020 《标准化工作导则 第1部分：标准化文件的结构和起草规则》的 规定起草。 本文件代替 DL/T 1340 －2014《火力发电厂分散控制系统故障应急处理导则》 ，与 DL/T 1340－ 2014相比，除结构调整和编辑性改动外，主要技术 变化如下： ——删除了引言（见 2014年版的引言） 。 ——适用范围和正文中增加了燃气轮机控制系统（ TCS）内容（见第 1章、表1、6.2.2.7 、表 C.8、表C.10）。 ——增加了故障应急处理准备中分散控制系统主要设备软件版本号编制要求及备品备件兼容性 要求（见 5.2.1、C.6.2.2 、表 C.3）。 ——更改了原标准 DL/T 1340-2014 中6.2.5条的结构，作为 6.2.1的部分（见 6.2.1.6）。 ——更改了对操作员站监控全部失去时的处理原则和主保护冗余控制器同时故障 (包括电源失 去)时的处理原则（ 见6.2.2.4和6.2.2.5）。 ——增加了主要辅机设备单列配置的控制系统控制器同时故障的处理原则（见 6.2.2.8）。 ——更改了互为冗余的 A类I/O模件全部故障时处理原则（见 6.2.2.10）。 ——增加了分散控制系统进行改造或扩容后预案修编和演习要求（见 7.3.2）。 ——更改了附录 A的内容（见附录 A）。 ——增加了分散控制系统设备重大故障源分级中的内容（见附录 A中表A.1）。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中国电力 企业联合会提出 。 本文件由电力行业热工自动化与信息标准化技术委员会（ DL/TC 28 ）归口。 本文件起草单位： 大唐南京发电厂、 杭州意能电力技术有限公司、 国能智深控制技术有限公司、 南京南瑞继保工程技术有限公司、湖南省湘电试验研究院有限公司、上海明华电力科技有限公司、 内蒙古电力集团内蒙古电力科学研究院、西安热工研究院有限公司、浙江浙能嘉华发电有限公司、中煤广元能源有限公司、内蒙古京宁热电有限责任公司、浙能台州第二发电有限公司、浙江浙能中 煤舟山煤电有限责任公司、国网浙江省电力有限公司电力科学研究院、河北大唐国际丰润热电有限 责任公司、大唐富平热电有限公司、山东能源集团灵台火力发电有限公司。 本文件主要起草人： 张笑、匡剑勋、孙瑜、娄琦、金建新、罗兴宇、王志杰、牛海明、娄清辉、 付福军、张国斌、祝建飞、王焕明、苏烨、王异成、王轶、黄启东、崔斌、孙德良、卢海松、何鹏 锐、张学军、蔡卫国、冯苑佩斯、宾谊沅、王田、孙长生。 本文件及其所代替文件的历次版本发布情况为： ——2014 年首次发布为 DL/T1340 －2014； ——本次为第一次修订。 本文件在执行过程中的意见或建议反馈至中国电力企业联合会标准化管理中心（北京市白广路 二条一号， 100761）。 1 火力发电厂分散控制系统故障应急处理导则 1 范围 本文件规定了火力发电 机组分散控制系统（DCS ）故障应急处理的原则、方法、步骤和应急处理 预案的编制程序。 本文件适用于火力发电机组分散控制系统，包括独立设置的数字电液控制系统