信号电源屏存在的问题及改进办法陈武生＊胡斯如＊＊我段管内使用的各类电源屏共有３４套，其中有ＤＤＹ型、ＰＤ－１５型、ＰＤ－１型及中站屏。这些电源屏虽经多次改进，但在运用过程中仍然有一些问题需要克服和改进。１主要问题１．大站电源屏中调压屏的行程开关是并联... Signal power screen problems and ways to improve Chen Wusheng * Aarhus ** ** I use a variety of sections of the power tube screen a total of 34 sets, of which DDY type, PD-15 type, PD-1 type and the station screen. Although these power screens have been improved many times, there are still some problems that need to be overcome and improved during the operation. 1 main problem 1. Main station power screen pressure switch in the trip switch is parallel ...