Study on lightning risk assessment and early warning for UHV DC transmission channel

Study on lightning risk assessment and early warning for UHV DC transmission channel

Operation data show lightning faults account for >70% for the main ultra-high voltage (UHV) DC transmission channels, very different from the design view. In order to accurately master the lightning characteristics and the lightning protection performance of the line so as to propose solutions to...

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Bibliographic Details
Main Authors: Shanqiang Gu, Jian Wang, Min Wu, Juntian Guo, Chun Zhao, Jian Li
Format: Article
Language:English
Published: Wiley 2019-03-01
Series:High Voltage
Subjects:
atmospheric electricity
lightning protection
backpropagation
risk management
neural nets
poles and towers
HVDC power transmission
alarm systems
power transmission faults
power transmission reliability
power engineering computing
lightning risk assessment
UHV DC transmission channel
operation data
lightning faults
lightning characteristics
lightning protection performance
strength distributions
lightning risk source
risk assessment process
DC line
failure risk
lightning detection data
early warning model
lightning damage risk
effective warning ratio
failure-to-warn ratio
electrogeometric model
main ultra-high voltage DC transmission channels
density analysis
polarity effect
lightning shielding failure risk
single tower
backpropagation neural network algorithm
detection data
atmospheric electric fields
radar echoes
Online Access:https://digital-library.theiet.org/content/journals/10.1049/hve.2018.5081

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