Simulation Analysis of Zhengzhou Metro Power Supply System Rectifier Unit

Bei Lou; Xi Peng Guo; Jun Xin; Gen Yong Chen; Jin Feng Yang; Xiao Yi Chen

doi:10.4028/www.scientific.net/AMR.732-733.707

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 732-733Simulation Analysis of Zhengzhou Metro Power...

Simulation Analysis of Zhengzhou Metro Power Supply System Rectifier Unit

Abstract:

Developing the Zhengzhou rail transit as a new transportation plays an important role in easing traffic congestion and promoting the economic development. The principle, connection mode and harmonic generation mechanism of the rectifier unit of Zhengzhou rail transit is analysed in theoretical. 12-pulse and 24-pulse rectifier unit model is simulated in MATLAB/Simulink environment. The simulation result shows that the 24-pulse rectifier unit can reduce the harmonic current injected to the power system greatly, and abate the effects on the utility grid compared with the 12-pulse rectifier unit. The 24-pulse rectifier can smoothen the output voltage, reduce the harmonic content and improve the quality of DC power supply. So it can obviously reduce the adverse effects on public power grid.

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Periodical:

Advanced Materials Research (Volumes 732-733)

Pages:

707-711

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.732-733.707

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Online since:

August 2013

Authors:

Bei Lou, Xi Peng Guo, Jun Xin, Gen Yong Chen, Jin Feng Yang, Xiao Yi Chen

Keywords:

Harmonics, Power System, Rail Transit, Rectifier Unit, Simulation

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