The invention provides a high-speed railway long ramp traction transformer capacity optimization method considering energy storage, and relates to the technical field of rail transit traction power supply. The invention discloses a high-speed railway long ramp traction transformer capacity optimization method considering energy storage. The method comprises the following steps: formulating a corresponding power distribution strategy; classifying working conditions of a power supply arm of a traction power supply system according to the power distribution strategy; classifying the working conditions of the energy storage device and the 10kV power system according to the working condition classification of the power supply arm of the traction power supply system; according to daily load data of a long and large ramp traction substation, energy storage equipment is selected, and a proper capacity ratio is determined; and establishing an objective function and constraint conditions of economic benefits according to the capacity, power, state of charge and the like of the selected equipment. Through combined configuration of the energy storage equipment and the 10kV system, regenerative braking electric energy can be effectively utilized, peak load shifting can be achieved, loads can be smoothed, the capacity of a traction transformer is reduced, and then the economical efficiency of the system is improved.
本发明提供考虑储能的高速铁路长大坡道牵引变压器容量优化方法,涉及轨道交通牵引供电技术领域。考虑储能的高速铁路长大坡道牵引变压器容量优化方法,包括以下步骤:制定相对应的功率分配策略:根据功率分配策略对牵引供电系统供电臂的工况进行分类;根据对牵引供电系统供电臂的工况分类对储能装置与10kV电力系统的工作状况进行分类;根据长大坡道牵引变电所日负荷数据,对储能设备进行选型,确定合适的容量配比;根据所选设备的容量、功率、荷电状态等建立经济效益的目标函数与约束条件。通过利用储能设备与10kV系统联合配置不仅可以有效利用再生制动电能,还能削峰填谷、平滑负荷,降低牵引变压器容量进而提高系统的经济性。
High-speed railway long ramp traction transformer capacity optimization method considering energy storage
考虑储能的高速铁路长大坡道牵引变压器容量优化方法
2022-05-10
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES |
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