开展年检预试工作可以做到:一是便于检测设备的运行状态;二是便于对设备运行性能进行测试判断;三是便于消除影响运行的缺陷;四是便于通过测试数据,发现运行设备的隐形缺陷;五是便于对设备进行一次诊断和剖析,对设备将来运行情况进行安全评估。年检预试前期工作。基地站人员根据年检预试管理办法、年检预试计划安排,做到所有变电设备以变电站或单元 Carry out the annual inspection pre-test work can be done: First, to facilitate the detection of equipment operating conditions; Second, to facilitate the testing of equipment operating performance; Third, to facilitate the elimination of defects affecting the operation; Fourth, through the test data to facilitate the discovery of equipment invisible Defects; Fifth, to facilitate the diagnosis and analysis of a device, the safety of equipment in the future to conduct a safety assessment. Annual inspection pre-test work. Base station personnel according to the annual inspection pre-test management approach, annual inspection plan of pre-test, so that all substation equipment substations or units