The invention provides an adaptive droop control method for a direct-current traction power supply system based on an improved consistency algorithm, and the method comprises the following steps: S1, constructing a communication topological graph of the direct-current traction power supply system, s2, determining an average value # imgabs0 of per unit values of output power of the direct-current traction power supply system by adopting an improved consistency algorithm; S3, determining a droop coefficient ri (P) of the direct-current traction power supply system based on the average value of the per unit values of the output power of the direct-current traction power supply system; and S4, determining a direct-current voltage reference value # imgabs1 # of each traction substation in the direct-current traction power supply system based on the droop coefficient, and controlling the output voltage of each traction substation of the direct-current traction power supply system according to the direct-current voltage reference value # imgabs2 #, wherein Idci is the output current of the ith traction substation, and Uni is the direct-current voltage set value of the ith traction variable viscosity.
本发明提供的一种基于改进一致性算法的直流牵引供电系统自适应下垂控制方法,包括以下步骤:S1.构建直流牵引供电系统的通讯拓扑图,S2.采用改进一致性算法确定直流牵引供电系统的输出功率标幺值的平均值#imgabs0#S3.基于直流牵引供电系统的输出功率标幺值的平均值确定直流牵引供电系统的下垂系数ri(P);S4.基于下垂系数确定出直流牵引供电系统中每个牵引变电站的直流电压参考值#imgabs1#并按照直流电压参考值#imgabs2#控制直流牵引供电系统各牵引变电站的输出电压,其中:#imgabs3#其中:Idci为第i个牵引变电站的输出电流,Uni为第i个牵引变粘的直流电压设定值。
Direct current traction power supply system adaptive droop control method based on improved consistency algorithm
基于改进一致性算法的直流牵引供电系统自适应下垂控制方法
2023-10-03
Patent
Electronic Resource
Chinese
European Patent Office | 2022
|Direct-current traction power supply
Engineering Index Backfile | 1933
|Study of Droop Characteristic in Advanced Co-Phase Traction Power Supply System
Trans Tech Publications | 2013
|European Patent Office | 2015
|