The invention provides a heavy haul railway steel rail potential and traction backflow determination method, device and equipment. The method comprises the steps of obtaining basic parameters of a target heavy haul railway traction power supply system, the grounding impedance per meter of a bridge and the grounding impedance per meter of a tunnel; dividing the target heavy haul railway into a roadbed section, a bridge section and a tunnel section; respectively determining a roadbed section impedance matrix, a bridge section impedance matrix and a tunnel section impedance matrix; voltage equations and current equations corresponding to the roadbed section, the bridge section and the tunnel section are constructed respectively, and the steel rail potential and traction backflow of the target heavy haul railway are determined in combination with the equivalent model of the traction power supply system transformer. Different voltage equations and current equations are constructed for the roadbed section, the bridge section and the tunnel section to determine the rail potential and the traction backflow, the terrain information along the heavy haul railway is fully considered, the accuracy and the calculation efficiency of the rail potential and the traction backflow can be improved, and the universality is high.
本发明提供一种重载铁路钢轨电位和牵引回流的确定方法、装置及设备,该方法包括:获取目标重载铁路牵引供电系统的基本参数、桥梁每米接地阻抗和隧道每米接地阻抗;将目标重载铁路划分为路基区段、桥梁区段和隧道区段;分别确定路基区段阻抗矩阵、桥梁区段阻抗矩阵和隧道区段阻抗矩阵;分别构建路基区段、桥梁区段和隧道区段对应的电压方程和电流方程,并结合牵引供电系统变压器的等值模型确定目标重载铁路的钢轨电位和牵引回流。针对路基区段、桥梁区段和隧道区段构建不同的电压方程和电流方程来确定路钢轨电位和牵引回流,充分考虑了重载铁路沿线的地形地势信息,不仅能够提高钢轨电位和牵引回流的准确性和计算效率,而且泛用性高。
Method, device and equipment for determining steel rail potential and traction backflow of heavy haul railway
重载铁路钢轨电位和牵引回流的确定方法、装置及设备
2023-07-14
Patent
Electronic Resource
Chinese
IPC: | B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES |
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