I C S 3 1 . 0 6 0 . 7 0 C C S K 4 2 D L 中 华 人 民 共 和 国 电 力 行 业 标 准 D L / T 2 9 5 1 — 2 0 2 5 配 电 终 端 后 备 电 源 用 超 级 电 容 器 技 术 规 范 S p e c if ic a tio n f o r s u p e r c a p a c ito r s o f b a c k u p p o w e r s u p p ly o f u s e in th e d is tr ib u tio n te r m in a l u n it 2 0 2 5 - 0 9 - 2 8 发 布 2 0 2 6 - 0 3 - 2 8 实 施 国 家 能 源 局发 布DL/T2951—2025 I目  次 1范围...................................................................................................................................................................1 2规范性引用文件...............................................................................................................................................1 3术语和定义.......................................................................................................................................................1 4使用环境条件...................................................................................................................................................3 5技术要求...........................................................................................................................................................3 5.1外观...........................................................................................................................................................3 5.2极性标记...................................................................................................................................................3 5.3外形尺寸...................................................................................................................................................3 5.4电容...........................................................................................................................................................3 5.5储存能量...................................................................................................................................................3 5.6内阻...........................................................................................................................................................3 5.7电压保持能力...........................................................................................................................................3 5.8端子与外壳间绝缘试验...........................................................................................................................4 5.9高温特性...................................................................................................................................................4 5.10低温特性.................................................................................................................................................4 5.11高温老化试验.........................................................................................................................................4 5.12循环寿命.................................................................................................................................................4 5.13振动.........................................................................................................................................................5 5.14安全性能.................................................................................................................................................5 6试验方法...........................................................................................................................................................5 6.1试验和测量要求.......................................................................................................................................5 6.2外观检查...................................................................................................................................................6 6.3极性检查...................................................................................................................................................6 6.4外形尺寸测量........................................