74电容式电压互感器试验作业指导书(2012版).docx

中国南方电网有限责任公司电网建设施工作业指导书第4部分：电气试验122第4部分电气试验电容式电压互感器试验作业指导书编码：BDYCSY-ZW-16目次1适用范围······················································································································································1072编写依据······················································································································································1073作业流程······················································································································································1074安全风险辨析与预控··································································································································1085作业准备······················································································································································1096作业方法······················································································································································1097质量控制措施及检验标准···························································································································1101 适用范围本作业指导书适用于电容式电压互感器。2 编写依据表2-1编写依据序号引用资料名称1GB50150—2006《电气装置安装工程电气设备交接试验标准》2DL408—1991《电业安全工作规程（发电厂和变电站电气部分）》3 作业流程图3-1作业（工序）流程图4 安全风险辨析与预控4.1电容式电压互感器交接试验前，施工项目部根据该项目作业任务、施工条件，参照《电网建设施工安全基准风险指南》（下简称《指南》）开展针对性安全风险评估工作，形成该任务的风险分析表。4.2按《指南》中与电容式电压互感器交接试验相关联的《电网建设安全施工作业票》（编码：BDYCSY-ZW-16-01/01），结合现场实际情况进行差异化分析，确定风险等级，现场技术员填写安全施工作业票，安全员审核，施工负责人签发。4.3施工负责人核对风险控制措施，并在日站班会上对全体作业人员进行安全交底，接受交底的作业人员负责将安全措施落实到各作业任务和步骤中。4.4安全施工作业票由施工负责人现场持有，工作内容、地点不变时可连续使用10天，超过10天须重新办理作业票，在工作完成后上交项目部保存备查。表4-1 作业任务安全基准风险指南序号危害名称风险种类风险等级风险控制措施1试验设备未接地或接地不良设备损坏低风险试验前，应认真检查接地线连接可靠，接地良好2试验区域未设置安全围栏人身伤残中等风险试验区域必须按规定设置安全围栏和标示牌等安全措施，并安排专人进行监护3试验电源不稳定设备损坏中等风险试验前应用仪器测量电源电压，确保符合试验要求4高压试验过程中防范措施不到位人身伤残高风险试验开始时，应通知附近作业人员，并设置安全围栏，派专人把守；操作人员应大声告知各在场人员，得到回应“可以开始”后方可升压，如有异常应立即断电5登高作业安全防护措施不完善人身伤残高风险使用高空平台车、梯子登高接线，如必须作业人员登高作业时，需正确使用安全带，穿胶鞋6高压试验过程中发生电压反击设备损坏中等风险严格按照规定流程操作7攀爬瓷件设