NDLI: Predictive calculation of ion current environment of dc transmission line based on ionised flow model of embedded short-term wind speed

Content Provider	IET Digital Library
Author	Yi, Yong Chen, Zhengying Tang, Wenxi Wang, Liming
Abstract	The predictive calculation and wind effect on the ion flow environment of dc transmission line are evaluated by embedded short-term wind speed based ionised flow model. The wind has a major impact on the electric field and ion current density profiles. In the ionised flow model of embedded short-term wind speed, the short-term wind speed is calculated by using time series model and Kalman filter algorithm. The ionised field considering short-term wind speed is solved by finite-element method with acceleration technique and time-domain finite volume method. The algorithm is validated by the coaxial cylinder electrode configuration and practical bipolar dc transmission configuration. Computational results are made to provide a physical understanding of wind effect on the corona formation process. In the timescale of long-term prediction, the time evolution behaviour of ground-level ion current density and electric field with time-varying wind speed is estimated.
Starting Page	3837
Ending Page	3843
Page Count	7
ISSN	17518687
Volume Number	12
e-ISSN	17518695
Issue Number	Issue 16, Sep (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/12/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.0054
Journal	IET Generation, Transmission & Distribution
Publisher Date	2018-07-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Technique Coaxial Cylinder Electrode Configuration Corona Corona Formation Process Current Density D.C. Transmission Dc Transmission Line Electric Field Electrochemical Conversion And Storage Electrochemical Electrodes Embedded Short-term Wind Speed Filtering Method in Signal Processing Finite Element Analysis Finite Element Method Finite Volume Method Ground-level Ion Current Density HVDC Power Transmission Ion Current Density Profile Ion Current Environment Ionised Flow Model Kalman Filter Kalman Filter Algorithm Power Transmission Cables Power Transmission Line Practical Bipolar Dc Transmission Configuration Predictive Calculation Statistics Time Domain Analysis Time Evolution Behaviour Time Series Time Series Model Time-domain Finite Volume Method Time-varying Wind Speed Wind Effect Wind Power
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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