咸阳西自动换相所于1995年1月7日投入运行试验。在试运行州问，全面测试了机车过自动换相装置运行状态参数，妥善地解决了相分段自动转换装置与机车、牵引变电所之间的运行兼容问题。到1995年底该装置累计运行6个月，动作10300次，工作正常。该课题作为“八五”国家重点科技攻 Xianyang West automatic commutation was put into operation on January 7, 1995 test. In the state of trial operation, a full test of the operating parameters of the locomotive over the automatic commutation device, properly solve the phase-by-stage automatic conversion device and the locomotive, traction substation between the compatibility issues. By the end of 1995 the cumulative operation of the device for 6 months, 10300 movements, work properly. The task of “Eighth Five-Year” national key science and technology attack