The Effect and Analysis of Cable Distributed Capacitance on Secondary Side Harmonics in Port Power Distribution System

Abstract:

The power distribution system lays lots of power cable, and mainly uses variable velocity variable frequency technology with power energy feedback in modern ports, which generated much harmonics. This article mainly researches harmonics amplification caused by distributed capacitance of power cable when harmonics are generated at secondary side. By the way of basic theory of electric circuit, we analyze the mutual influence between system harmonic and distributed capacitance of power cable in port power distribution system. It is known that through analysis the power cable distributed capacitance has different influence such as enlargement, suppression or filtering etc on system harmonic, finally the theory is verified by PSCAD/EMTDC simulation.

• Periodical: Applied Mechanics and Materials (Volume 391)
• Pages: 323-327
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.391.323
• Online since: September 2013
• Authors: Wen Huan Yang, Hai Xu Chen, Rong Gao Li
• Keywords: Distributed Capacitance, Harmonics, Portal Power Distribution System, Power Cable

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