PIR Control Strategy of MMC-RPC Based on Differential Flatness Theory

Pinggang SONG; Zhiqiang JIANG; Zhenbang ZHOU

doi:10.13890/j.issn.1000-128x.2020.01.110

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PIR Control Strategy of MMC-RPC Based on Differential Flatness Theory

Research & Development | 更新时间：2021-12-10

- PIR Control Strategy of MMC-RPC Based on Differential Flatness Theory
- Electric Drive for Locomotives Issue 1, Pages: 91-97(2020)
- 作者机构：
  
  1.华东交通大学　电气与自动化工程学院，江西　南昌　330013
  2.中车株洲所电气技术与材料工程研究院，湖南　株洲　412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2020.01.110
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Pinggang SONG, Zhiqiang JIANG, Zhenbang ZHOU. PIR Control Strategy of MMC-RPC Based on Differential Flatness Theory. [J]. Electric Drive for Locomotives (1):91-97(2020)
DOI：

Pinggang SONG, Zhiqiang JIANG, Zhenbang ZHOU. PIR Control Strategy of MMC-RPC Based on Differential Flatness Theory. [J]. Electric Drive for Locomotives (1):91-97(2020) DOI： 10.13890/j.issn.1000-128x.2020.01.110.

摘要

为综合治理牵引供电系统的负序、无功、谐波等电能质量问题，分析V/v变压器左右两侧供电臂上的功率关系，通过转移有功功率、补偿无功功率和分离谐波功率等方式综合治理电能质量问题。同时，在对铁路功率调节器（MMC-RPC）采用准比例谐振控制的基础上引入微分平坦控制理论（FBC）。运用微分平坦理论，在MMC-RPC供电臂上的动态数学模型中选取有功电流和无功电流作为系统输出量，使其满足微分平坦系统的条件。对微分平坦系统进行李雅普诺夫稳定性分析，采用比例积分和Quasi-R并联控制，设计出微分平坦控制器。在Matlab/Simulink中搭建仿真系统，模拟几种不同的运行工况进行仿真，并与其他控制方式进行对比，所得波形验证了该控制策略的有效性与优越性。

Abstract

In order to deal with the negative sequence, reactive power, harmonic and other power quality problems of traction power supply system, the power relationship between the left and right power supply arms of V/v transformer was analyzed, and the power quality problems were comprehensively dealt with by means of transferring active power, compensating reactive power and separating harmonic power. At the same time, the differential flatness control theory was introduced on the basis of quasi proportional resonance control for MMC-RPC. Based on differential flatness control theory, the active current and reactive current were selected as the output of the system in the dynamic mathematical model of MMC-RPC power supply arm, so as to meet the conditions of differential flatness control system. Lyapunov stability analysis of differential flatness system was carried out, and differential flatness controller was designed by using proportional integral and Quasi-R parallel control. The simulation system was built with Matlab /Simulink software to simulate several different operating conditions, and compared with other control methods. The results verified the effectiveness and superiority of the control strategy.

关键词

模块化多电平换流器铁路功率调节器微分平坦理论比例积分控制器准比例谐振控制仿真

Keywords

modular multilevel converterrailway power regulatordifferential flatness theoryproportional integral controllerquasi-proportional resonance controlsimulation

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