ICS 29.180 CCS K 41 备案号： J803—2017 中华人民共和国电力行业标准 DL/T 572—2021 代替 DL/T 572—2010 电力变压器运行规程 Power Transformer Opera tion Specification 2021-04-26 发布 2021-10-26 实施 国家能源局 发 布 《电子编加稿件》 XM87297 责编：张冉昕 成品： 140*203 责校：常燕昆 版心： 104*160 字数： 28*29行 天25 地 18 订 19 切 17 中华人民共和国电力行业标准 电力变压器运行规程 DL/T 572—2021 代替 DL/T 572—2010 * 中国电力出版社出版、发行 （北京市东城区北京站西街 19号 100005 http://www.cepp.sgcc.com.cn ） 北京雁林吉兆印刷有限公司印刷 * 2021年10月第一版 2021年10月北京第一次印刷 850毫米× 1168毫米 32开本 1.5印张 37千字 * 统一书号 155198·3190 定 价25.00元 版 权 专 有 侵 权 必 究 本书如有印装质量问题，我社营销中心负责退换 DL/T 572—2021 代替 DL/T 572—2010 DL/T 572—2021 I 目 次 前言 ································································································· III 1 范 围 ·····························································································1 2 规范性引用文件 ··········································································1 3 术语和定义 ·················································································2 4 基本要求 ·····················································································2 4.1 保护、测量、冷却装置 ·······················································2 4.2 有关变压器运行的其他要求 ···············································4 4.3 技术文件 ··············································································5 5 变压器运行条件 ··········································································7 5.1 一般运行条件 ·······································································7 5.2 变压器在不同负载状态下的运行方式 ································8 5.3 附件和回路元件的限制 ·····················································10 5.4 正常周期性负载的运行 ·····················································10 5.5 长期急救周期性负载的运行 ·············································11 5.6 短期急救负载的运行 ·························································11 5.7 其他设备的运行条件 ·························································12 5.8 强迫冷却变压器的运行条件 ·············································12 5.9 变压器的并列运行 ·····························································12 5.10 变压器的经济运行 ···························································13 6 变压器的运行维护 ····································································13 6.1 变压器的运行监视 ·····························································13 6.2 变压器的投运和停运 ·························································16 6.3 保护装置的运行维护 ·························································17 6.4 变压器分接开关的运行维护 ·············································20 DL/T 572—2021 II 6.5 防止变压器短路损坏 ·························································21 7 变压器的异常运行和处理 ························································22 7.1 运行中的不正常现象和处理 ·············································22 7.2 气体继电器动作的处理 ·····················································23 7.3 冷却装置故障时的运行方式和处理要求 ··························24 7.4 压力释放阀动作后的处理要求 ·········································24 7.5 变压器跳闸和灭火 ·····························································25 8 变压器的安装、检修、试验和验收 ·········································25 8.1 安装及检修 ·········································································25 8.2 试验及验收 ·········································································26 附录 A（资料性） 正常周期性、长期急救、短期急救 负载运行时间 ················································27 DL/T 572—2021 III 前 言 本标准按照 GB/T 1.1 —2020《标准化工作导则 第1部分 标准的结构和编写》的规定起草。 本次修订与原标准相比，除编辑性修改外主要在以下方面有 所变化： ——将原 3.1.1和3.1.2合并为 4.1.1（保护测量装置） ； ——增加了六氟化硫气体绝缘变压器及相关装置的要求； ——增加了有载分接开关应具备机械限位、闭锁功能，不能 是电气闭锁的要求； ——增加了换流站接地极附近变压器直流偏磁耐受能力 要求； ——增加了变压器运行中老化管理的要求； ——增加了资料性附录，列出了典型电力变压器不同负荷条 件下运行时间的建议值； ——增加了变压器运行条件下顶层温升、金属部件温度限制 等要求； ——增加了大型电力变压器直阻测试后宜进行消磁的要求； ——增加了备用变压器存放及投运前试验的要求； ——增加了压力释放阀动作后的处理要求。 本标准由中国电力企业联合会提出。 本标准由电力行业电力变压器标准化技术委员会（ DL/TC 02 ） 归口。 本标准起草单位：中国电力科学研究院有限公司、国网陕西 省电力有限公司电力科学研究院、国家电网有限公司东北分部、国网辽宁省电力有限公司、国家电网有限公司直流技术中心、中DL/T 572—2021