Diagnostic analysis and protective measures of transient ground potential rise in a 1000 kv UHV substation

Diagnostic analysis and protective measures of transient ground potential rise in a 1000 kv UHV substation

With the continuous expansion of power grid capacity and growth of voltage levels, the transient ground potential rise (GPR) caused by the switchgear operation has become great threaten to the safety of the grid. In the startup operation of 500 kV part of Taizhou 1000 kV ultra-high voltage (UHV) sub...

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Bibliographic Details
Main Authors: Fubin Pang, Qiangsheng Bu, Yu Liu, Yubo Yuan
Format: Article
Language:English
Published: Wiley 2019-04-01
Series:The Journal of Engineering
Subjects:
power grids
substation protection
switchgear protection
control cable
control cabinet
electromagnetic lock
electromagnetic disturbance
GPR
switchgear operation
protective measures
diagnostic analysis
transient ground potential rise
power grid capacity
voltage levels
startup operation
ground copper bar
UHV substation
transmission paths
Taizhou ultra-high voltage substation
signal characteristics
control wires
conductive metal cube
GPR disturbance
locally installed equipment protection
grid safety
voltage 1000.0 kV
voltage 500.0 kV
Online Access:https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8638

Internet

https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8638

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