通信局（站）低压配电系统用电涌

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1、通信局（站）低压配电系统用电涌保护器检验实施细则10目录1编制依据及适用范围····························································································12引用标准··················································································································13检验项目及技术要求··········

2、···················································································13.1检验项目及技术要求·····················································································13.2对各种类型SPD检测项目·········································································7

3、4检验方法··················································································································95抽样·························································································································95.1抽样基数···················

4、······················································································95.2样品数量·········································································································96质量判定··································································

5、···············································9106.1通信局（站）低压配电系统用电涌保护器监督总体的检验项目和质量判定·····················································································································96.2判定准则·····························································

6、·············································910通信局（站）低压配电系统用电涌保护器检验实施细则1编制依据及适用范围本实施细则依据YD/T1235.1-2002《通信局（站）低压配电系统用电涌保护器技术要求》编制。本细则适用于通信局（站）低压配电系统用电涌保护器的质量检验。2引用标准GB/T4942-1993低压电器外壳防护等级（eqvIEC60947:1988）YD/T1235.2-2002通信局（站）低压配电系统用电涌保护器测试方法3检验项目及技术要求3.1检验项目及技术要求（见表1至

7、表10）表1检验项目及技术要求序号项目名称技术要求1外观质量a)电涌保护器表面应平整、光洁、无划伤、无裂痕及变形，紧固件应牢固，颜色应均匀无明显差异。b)标志应完整清晰、耐久可靠，内容完全，且铭牌不应出现移动和任何翘曲现象。2保护模式交流SPD必须具备N-PE、L-PE或L-N-PE的保护模式；直流SPD必须具备V+-V-的保护模式。交流SPD宜具备L-N的保护模式；直流SPD宜具备V+-PE或V--PE的保护模式。3分离装置SPD在故障或失效时，应有与电源系统永久断开的分离装置。4告警功能SPD正常或故障时，应有能正确表示其状态的标志

8、或指示灯。SPD宜具备远程集中监测或集中告警的接口。5接线端子连接导体的能力SPD的接线端子除应符合GB17464的要求外，其连接导线的能力还应符合表2或表3的要求。106最大持续运行电压在70±3℃的试验