NDLI: Method of local characteristics for calculating electric field and ion current of HVDC transmission lines with transverse wind

Content Provider	IET Digital Library
Author	Qiao, Ji Zou, Jun Yuan, Jiansheng Lee, Jaebok Ju, Mun no
Abstract	The electric field and ion flow are significantly influenced by the transverse wind around the high-voltage direct current (HVDC) transmission lines. In this study, a new method using local characteristics is proposed to analyse the effect of wind. The present method, called method of local characteristic, updates the ion density based on the local characteristic curve in each second-order finite element method (FEM) element without Deutsch assumption. The defining equation of the characteristics is able to take into account the directional character of the information propagation in convective transport and has a better performance to satisfy the conservation law. The present approach is stable and efficient even in the presence of high-speed transverse wind. Calculations show good agreement with the measurement values of the reduced-scale unipolar model and the full-scale bipolar test line. Finally, the influence of wind on the electric field and ion current is discussed.
Starting Page	1055
Ending Page	1062
Page Count	8
ISSN	17518687
Volume Number	11
e-ISSN	17518695
Issue Number	Issue 4, Mar (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/11/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.1541
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-03-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Conservation Law Convective Transport D.C. Transmission Electric Field Electric Field Calculation Finite Element Analysis Full-scale Bipolar Test Line High-speed Transverse Wind HVDC Power Transmission HVDC Transmission Line Information Propagation Ion Current Calculation Ion Density Ion Flow Local Characteristic Curve Method of Local Characteristic Power Transmission Cables Power Transmission Line Reduced-scale Unipolar Model Second-order FEM Element Wind
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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