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通过理论和实际分析,说明不能使用道岔电流曲线来判断三相交流转辙机的机械特性。使用道岔阻力曲线可以反映转辙机在转动过程中所受力的清况。通过将道岔阻力曲线划分为不同阶段,根据每个阶段的不同曲线模式,判断出道岔的故障点,并结合现有微机监测设备能更有效地监测诊断道岔的状态,保障行车安全。
Through the theoretical and practical analysis, we can not use the switch current curve to determine the mechanical characteristics of the three-phase AC switch machine. Using the resistance curve of the switch can reflect the force condition of the switch machine during the rotation. By dividing the resistance curve of the switch into different phases, the failure points of the switch can be judged according to the different curve patterns of each phase. Combined with the existing computer monitoring equipment, the status of the switch can be monitored more effectively and the driving safety ensured.