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Research of Electrified Railway Harmonic Suppression Based on H-infinity Control

机译：基于H-Infinity控制的电气化铁路谐波抑制研究

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—Because of using the nonlinear high-power, single-phase, multi-step full wave or bridge rectifier electric locomotive in electrified railway, the electrified railway traction power supply system has serious power quality problems, which affect safe operation of the electrified railway and impact the local power grid adversely. Aiming at the electrified railway power quality problems, a homogenization model of the inverter is established, and the robustness of active power filter is analyzed based on the Hinfinity control theory. Simulation results show that the harmonic control effect of electrified railway is good based on H-infinity control. Under various parameters perturbation, THD is changed relatively small, the system can well follow load changed and has strong robustness. So based on H-infinity control of active power filter in electrified railway harmonic suppression has wide application prospects.
机译：- 例如，使用电气化铁路中的非线性大功率，单相，多步全波或桥式整流电力机车，电气化的铁路牵引电源系统具有严重的电力质量问题，这影响了电气化铁路的安全运行对本地电网产生不利影响。针对电气化的铁路电力质量问题，建立了逆变器的均化模型，基于Hinfinity控制理论分析了有源电力滤波器的鲁棒性。仿真结果表明，基于H-Infinity控制的电气化铁路的谐波控制效应良好。在各种参数扰动下，THD变化相对较小，系统可以很好地追随负荷改变并具有强大的鲁棒性。因此，基于H-Infinity控制电气化铁路谐波谐波中有功功率滤波器的应用前景广泛。

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