51219通信局(站)低压配电系统用电涌保护器测试方法 标准 YD T 1235.2-2002.pdf

丫0 中华人民共和国通信行业标准 YD/T1235.2-2002 通信局(站)低压配电系统 用电涌保护器测试方法 Testingmethodsforsurgeprotectivedevicesconnectedto low-voltagedistributionsystemsoftelecommunicationstations/sites 2002-11-08发布 2002-11-08实施 中华人 民共和 国信息产业部 发布 YDIT1235.2- 2002 目 次 前 言 .·III 1 范围 ···················，·····。···。······，······························。····································。····一· 1 2 规范性引用文件 .·1 3 术语和定义 .·1 4 对试验的一般要求·4 4.1 一般规定·4 4.2 试验条件 ··。·5 4.3 试验波形.·5 5 整体质量检查 .·6 5.1 外观检查 .·6 5.2 保护模式检查.·6 5.3 分离装置检查.·6 5.4 告警检查·6 5.5接线端子连接导线能力的检查···，····。··················································…·…’二’6 6 电涌防护性能试验 7 6.1最大持续运行电压试验 ·····································································一· ·‘’‘·”二’..7 6.2 等级限制电压试验 ·····，·····。·············。·······，·······························。·····，······。··…”·”’二‘ 6.3 确定电压保护水平试验··········，，··················，···················，，················。·，·，········。··… 6.4 动作负载试验 ·······························。·······················一11 7 安全性能试验 13 7.1 电气间隙和爬电距离检查.·.·-·，13 7.2 外壳防护等级试验一· ;············································“13 7.3 保护接地检查 ·一· 13 7.4着火危险性试验 (灼热丝试验)。··。···········。··························。·····……·…‘””·”··“二14 7.5 暂时过电压下失效的安全性试验14 7.6 暂时过电压耐受特性试验’一14 7.7 SPD热稳定性试验二‘15 8 二端口SPD以及有独立输入/输出端子的一端口SPD的附加试验16 S.1 电压降试验16 8.2 负载侧电涌耐受能力试验·.16 8.3负载侧短路耐受能力试验16 9 环境适用性试验 ························。·····································，··················。···········。一· 17 9.1振动试验17 9.2 高温试验.·17 9.3 低温试验17