In order to reduce the magnetically electromotive force of railway signal cables, combined with the basic engineering conditions for setting the interval grounding round steel, it is recommended to ground the signal c...In order to reduce the magnetically electromotive force of railway signal cables, combined with the basic engineering conditions for setting the interval grounding round steel, it is recommended to ground the signal cables at both ends. It is necessary to further increase the grounding measures to reduce the value of the magnetically induced electromotive force when the distance is km. At the same time, the signal cable should be installed as far away from the catenary as possible in the engineering design stage. For this reason, when the train is running in the shield tunnel, the protection of the signal cable also puts forward an objective requirement that is different from the DC power supply project. This paper investigates this.展开更多
文摘In order to reduce the magnetically electromotive force of railway signal cables, combined with the basic engineering conditions for setting the interval grounding round steel, it is recommended to ground the signal cables at both ends. It is necessary to further increase the grounding measures to reduce the value of the magnetically induced electromotive force when the distance is km. At the same time, the signal cable should be installed as far away from the catenary as possible in the engineering design stage. For this reason, when the train is running in the shield tunnel, the protection of the signal cable also puts forward an objective requirement that is different from the DC power supply project. This paper investigates this.
