The invention provides a sensitivity analysis method for a flexible direct-current traction power supply system, and belongs to the technical field of flexible direct-current traction power supply systems, and the method comprises the steps: obtaining the sensitivity degrees of different variables through the differential relation between the physical quantities of a site and a measurement node under a given operation state of the traction power supply system; comprising relations between converter voltage and catenary power as well as between traction unit output power and catenary tidal current. By analyzing a sensitivity calculation result, visual and efficient decision support is provided for power dispatching personnel, and an operator can quickly determine a key control variable and adjust a control strategy according to the key control variable, so that optimization and improvement of system performance are realized.
本发明提供了一种柔性直流牵引供电系统的灵敏度分析方法,属于柔性直流牵引供电系统技术领域,该方法是通过牵引供电系统在给定的运行状态下,利用站点及量测节点物理量的微分关系,获取不同变量间敏感程度,包括变流器电压与接触网功率、牵引机组输出功率与接触网潮流之间的关系。通过分析灵敏度计算结果,为电力调度人员提供直观、高效的决策支持,运行人员可快速确定关键控制变量,并据此调整控制策略,实现系统性能的优化提升。
Sensitivity analysis method for flexible direct-current traction power supply system
一种柔性直流牵引供电系统的灵敏度分析方法
15.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
Direct-current traction power supply
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