Design of DC filter for 24-pulse high power rectifier

Zhuo Ling

doi:10.1117/12.2611604

14 October 2021 Design of DC filter for 24-pulse high power rectifier

Zhuo Ling

Proceedings Volume 11930, International Conference on Mechanical Engineering, Measurement Control, and Instrumentation; 119302P (2021) https://doi.org/10.1117/12.2611604
Event: International Conference on Mechanical Engineering, Measurement Control, and Instrumentation (MEMCI 2021), 2021, Guangzhou, China

Abstract

Conventional high power rectifier with 24 pulse output usually uses flat wave reactor in the DC side to suppress the ripple contained in the output waveform, so that the output DC is close to the ideal DC. Although this method has good economic benefit, the filtering effect is not good. Firstly, the necessity of installing DC filter is analyzed from the harmonic component. Secondly, according to the impedance-frequency characteristic equation, the parameter calculation formula of the double-tuned filter is deduced. Finally, the ideal output waveform of the main circuit is obtained through Matlab/Simulink simulation, and the feasibility of filtering specific sub-harmonics by the double-tuned filter is preliminarily verified by FFT analysis, and the ideal filtering effect is obtained.

Citation Download Citation

Zhuo Ling "Design of DC filter for 24-pulse high power rectifier", Proc. SPIE 11930, International Conference on Mechanical Engineering, Measurement Control, and Instrumentation, 119302P (14 October 2021); https://doi.org/10.1117/12.2611604

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