In view of the necessity to carry a large number of tools and materails for the on-site maintenance of relay protection, this paper designed a multifunctional portable relay protection testing platform car that can easily carry large items such as inverter power supply and tester and can also sort and place various meters, screwdrivers and other tools, as well as drawings and instruction.%针对继电保护现场检修需携带大量的工器具及资料, 设计了一种可方便搭载逆变电源、测试仪等大件物品且能分类放置各种表计、螺丝刀等工具及图纸、说明书等资料的多功能便携式继电保护测试平台车.
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