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首页> 外文会议>2017 International Conference on Optimization of Electrical and Electronic Equipment amp; 2017 Intl Aegean Conference on Electrical Machines and Power Electronics >Investigations on the coupling LCL filter in active traction substations
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Investigations on the coupling LCL filter in active traction substations

机译：主动牵引变电所耦合LCL滤波器的研究

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摘要

The theoretical and experimental investigations presented in this paper are related to an LCL filter with damping resistance used to interface the voltage source inverter of an active DC-traction substation with the power supply. The case study of DC-traction system with six-pulse diode rectifier, as is the case of Bucharest subway substations, is taken into consideration. Starting from the configuration and the tasks of the system to be added to the existing transformer-rectifier group in order to ensure the functions of active filtering and regeneration, some design considerations and limits for the AC coupling passive filter of LCL type are made first. Then, the influence of the LCL filter's inductances on the system performance, in terms of harmonic distortion of the supply currents and fundamental power factor, is investigated in both simulation and experimental ways. A laboratory test bench of small scale with configurable coupling inductances, together with a control platform based on the DSP dSPACE 1103 board are used in the conducted experimental tests.
机译：本文提出的理论和实验研究与具有阻尼电阻的LCL滤波器有关，该滤波器用于将有源直流牵引变电站的电压源逆变器与电源连接。以布加勒斯特地铁变电站为例，考虑了带六脉冲二极管整流器的直流牵引系统的案例研究。为了确保有源滤波和再生功能，从要添加到现有变压器-整流器组中的系统的配置和任务开始，首先要对LCL型交流耦合无源滤波器进行一些设计考虑和限制。然后，以仿真和实验两种方式研究了LCL滤波器的电感对系统性能的影响，包括电源电流的谐波失真和基本功率因数。在进行的实验测试中，使用了具有可配置耦合电感的小型实验室测试台，以及基于DSP dSPACE 1103板的控制平台。

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