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介绍了25Hz微电子相敏轨道电路的构成及主要特点,着重分析了25Hz微电子相敏轨道电路常见故障及判断方法,同时提出了日常维护工作应注意的几个主要问题。
The structure and main features of 25Hz microelectronic phase sensitive track circuit are introduced. The common faults and judging methods of 25Hz microelectronic phase sensitive track circuit are analyzed emphatically. At the same time, some main problems that should be paid attention to in routine maintenance work are put forward.