收稿日期:2022-08-01∗基金项目:(区间信号)省级示范性课程作者简介:王浩宇(1984-),男,重庆人,本科,讲师,主要研究方向为轨道交通。电气化铁道牵引供电系统电压损失补偿方法研究∗王浩宇(西南交通大学希望学院,成都610400)摘要:为解决现有电压损失补偿方法存在的补偿效果、效率不佳的问题,提出电气化铁道牵引供电系统电压损失补偿优化方法。根据牵引供电系统的供电方式和硬件设备的空间关系,构建电气化铁道牵引供电系统数学模型。在该模型下,模拟供电系统负荷过程。通过计算供电系统电压损失量,确定电压的待补偿值,利用安装的静态无功补偿器,实现供电系统的电压损失补偿。经过补偿效果测试实验得出结论:在三种不同的牵引工况下,应用设计的损失补偿方法能够将供电系统输出电压的畸变率控制在1%以下,且补偿时间开销低于30s,即设计电压损失补偿方法在效果和效率两个方面均具有明显优势。关键词:电气化铁道;牵引供电系统;电压损失;电压补偿中图分类号:TP202;TM922文献标识码:ADOI编码:10.14016/j.cnki.1001-9227.2023.01.257ResearchonvoltagelosscompensationmethodfortractionpowersupplysystemofelectrifiedrailwayWANGhaoyu(SouthwestJiaotongUniversityHopeCollage,Chengdu,610400,China)Abstract:Inordertosolvetheproblemsofpoorcompensationeffectandefficiencyoftheexistingvoltagelosscompensa-tionmethods,anoptimizationmethodforvoltagelosscompensationoftractionpowersupplysystemofelectrifiedrailwayisproposed.Accordingtothespatialrelationshipbetweenthepowersupplymodeoftractionpowersupplysystemandhardwareequipment,themathematicalmodeloftractionpowersupplysystemofelectrifiedrailwayisconstructed.Inthismodel,theloadprocessofpowersupplysystemissimulated.Bycalculatingthevoltagelossofthepowersupplysystem,thevalueofvolt-agetobecompensatedisdetermined,andtheinstalledstaticvarcompensatorisusedtorealizethevoltagelosscompensationofthepowersupplysystem.Throughthecompensationeffecttestexperiment,itisconcludedthatunderthreedifferenttrac-tionconditions,thedesignedlosscompensationmethodcancontrolthedistortionrateoftheoutputvoltageofthepowersupplysystembelow1%,andthecompensationtimeoverheadislessthan30s,thatis,thedesignedvoltagelosscompensationmeth-odhasobviousadvantagesineffecta...
