Energy scheduling algorithm for urban rail active traction power supply system

ZHANG Chao; LI Hongbo; ZHAO Liying; HUANG Zihao; LUO Wenguang; WANG Xiong

doi:10.13890/j.issn.1000-128X.2022.03.009

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Energy scheduling algorithm for urban rail active traction power supply system

Low Carbon Urban Rail Transport | 更新时间：2024-08-02

- Energy scheduling algorithm for urban rail active traction power supply system
- Electric drive for locomotives Issue 3, Pages: 69-75(2022)
- 作者机构：
  
  1.中车株洲电力机车研究所有限公司，湖南株洲 412001
  2.湖南铁路科技职业技术学院，湖南株洲;412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.03.009
  CLC： U231⁺.8
- Published：10 May 2022，
  
  Received：24 August 2021，
  
  Revised：01 May 2022，
- 稿件说明：
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ZHANG Chao, LI Hongbo, ZHAO Liying, et al. Energy scheduling algorithm for urban rail active traction power supply system. [J]. Electric drive for locomotives (3):69-75(2022)
DOI：

ZHANG Chao, LI Hongbo, ZHAO Liying, et al. Energy scheduling algorithm for urban rail active traction power supply system. [J]. Electric drive for locomotives (3):69-75(2022) DOI： 10.13890/j.issn.1000-128X.2022.03.009.

摘要

为推动主动式供电中双向变流器的智能应用，针对其数学模型和调度控制策略展开了研究。利用满功率和恒电压模型分别模拟双向变流器的2种不同工况，并采用内外双层迭代算法进行潮流计算。当所有双向变流器处于恒电压模式时，提出以全网能耗最小为目标函数，求解牵引变电所输出电压的含等式和不等式约束的优化模型。当双向变流器中存在处于满功率模式时，提出抬升或降低相邻牵引所电压以分担功率的策略，从而降低双向变流器满功率持续时间。经实际地铁线路数据仿真，结果表明纯牵引能耗下降12.97%，满功率持续时间下降62.4%，提高了牵引系统能量利用率，减少了双向变流器出现限功的场景。

Abstract

To promote intelligent application of bidirectional converters in active power supply

the mathematical model and scheduling control strategy were studied in this paper. The full power and constant voltage models were used to simulate the two different working conditions of the bidirectional converter

and the internal and external double-layer iterative algorithm was used to calculate the power flow. When all the bidirectional converters were in constant voltage mode

the minimum energy consumption of the whole network was taken to solve the output voltage equation of the traction substation and optimization model of inequation constraints. When the full power mode of a bidirectional converter existed

the strategy of raising or lowering the voltage of neighboring stations to share the power was proposed to reduce the full power duration of the bidirectional converter. The simulation results of actual metro line data show that the pure traction energy consumption decreases by 12.97% and the full power duration decreases by 62.4%

which improves the energy utilization rate of the traction system and reduces the power-limiting scene of the bidirectional converter.

关键词

双向变流器双层迭代算法能耗仿真城市轨道交通地铁列车

Keywords

bidirectional converterdouble iterative algorithmenergy consumptionsimulationurban tail transitsubway train

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