dlt474.4-2006 现场绝缘试验实施导则 交流耐压试验

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1、ICS29.080K04备案号:17675-2006中华人民共和国电力行业标准DL/T474.4一2006代替DL474.4一1992现场绝缘试验实施导则交流耐压试验GuideforinsulationtestonsiteACvoltagewithstandingtest2006-05-06发布2006-10-01实施中华人民共和国国家发展和改革委员会发布DL/T474.4一2006目次前言·.....................................................

2、................................................................................................................421范围·.....................................................................................................................................

3、..........................432规范性引用文件·...........................................................................................................................................433名词术语·...................................................................

4、....................................................................................434对交流试验电压的要求·...............................................................................................................................435交流试验电压的产生·.............

5、......................................................................................................................446试验设备········，······················。·······································。。·····················································

6、····················一467试验电压的测量·..........................................................................................................................................488试验方法·.........................................................................

7、..............................................................................489交流耐压试验的注意事项·...........................................................................................................................51DL/T474.4一2006前士一t本标准是根据《国家发展和改革委

8、办公厅关于印发2005年行业标准项目计划的通知》(发改办工业[2005]739号文)的安排，对DL474.4-1992进行的修订。DL474.4-1992《现场绝缘试验实施导则交流耐压试验》是我国电力行业专家根据多年现场工作经验编写的。自发布、实施以来，与之密切相关的GB311.1《高压输变电设备的绝缘配合》,GB/T16927.1《高电压试验技术第一部分:一般试验要求》,DL/T596《电力设备预防性试验规程》等已经发布了新版本，现场试验也出现了一些新的方法和设备。此次从其与现行