地面过分相中性区传感器布置研究

Sensor Arrangement in Neutral Area of Ground Phase Separation Device

接触网地面过分相装置依据列车位置检测信号,按照预定逻辑控制进行高压电力电子开关阀组切换,使得常规状态下不带电的中性区在不同时段交替带电,列车可不断电通过中性区。介绍了接触网地面过分相装置的工作原理及系统构成,探讨了中性区的设计原则,分析了道岔区段列车位置检测现状及存在的主要问题,并对中性区计轴传感器布置进行了研究,提出了一种适用于道岔区段的运行工况列车位置检测方案,优化了正反向及岔区行车的列车位置检测,使列车能在不同线路间顺利切换,无需人工启停地面过分相装置,有效降低行车安全影响及提高运营组织效率。

The catenary ground phase separation device performs high-voltage power electronic switch valve switching according to the train position detection signal according to the predetermined logic control,so that the neutral area that is not charged under normal conditions is alternately charged at different times,and the train can pass through the neutral area without electricity.The working principle and system composition of the catenary ground phase separation device are introduced,the design principle of the neutral zone is discussed,and the current situation and main problems of the train position detection in the turnout section are analyzed.The layout of the axle counting sensor in the neutral zone is researched,and an operating condition detection scheme suitable for the turnout section is proposed,and the train position detection in the forward and reverse directions and the turnout zone is optimized.The train can switch smoothly between different lines without manual start and stop of the ground phase separation device,which effectively reduces the impact of driving safety and improves operation efficiency.