The invention provides a simulation calculation method of an urban rail transit traction power supply system, which comprises the following steps of: constructing a locomotive load model, establishing a locomotive running state information table with a unified time section, and combining the position of a locomotive with the position of a traction station in a line to obtain topological structure analysis of different time sections; constructing a traction power supply system model, and obtaining rated voltage, line length, line unit impedance and traction position; simulating that a plurality of locomotives start from a vehicle depot and run from the head end of a line to the tail end of the line, obtaining power and position values of the locomotives according to a locomotive load model, substituting the power and position values into a traction power supply system model to complete load flow calculation of a direct-current traction network, and obtaining current and voltage of the locomotives and bus voltage and feeder current values of a traction station; according to the invention, the power of the train in different operation states can be simulated, and the bus voltage and feeder current of each traction station of the traction power supply system can be calculated.

    本发明提出城市轨道交通牵引供电系统的模拟计算方法,包括:构建机车负荷模型,建立统一时间断面的机车运行状态信息表,将机车位置与线路中牵引所的位置结合,可获得不同时间断面的拓扑结构分析;构建牵引供电系统模型,获得额定电压、线路长度、线路单位阻抗、牵引所位置;模拟多辆机车从车辆段出发,从线路首端运行到线路末端,根据机车负荷模型得到各机车功率与位置值,再将其代入牵引供电系统模型完成直流牵引网的潮流计算,得到机车的电流、电压、牵引所的母线电压与馈线电流值;本发明能够模拟列车不同的运行状态下的功率,计算出牵引供电系统各牵引所的母线电压与馈线电流。


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    Title :

    Analog calculation method and device for traction power supply system of urban rail transit


    Additional title:

    城市轨道交通牵引供电系统的模拟计算方法及装置


    Contributors:
    WANG SHOUXIANG (author) / YIN JIANBIN (author) / ZHAO QIANYU (author) / GUO LUYANG (author)

    Publication date :

    2025-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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