Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape

Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape

Citation Author(s):
Ramchandra
Reddy
Mahatma Gandhi Institute of Technology
Submitted by:
Ramchandra Reddy
Last updated:
Thu, 05/09/2019 - 23:53
DOI:
10.21227/g7j9-rf46
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Abstract: 

The insulation of the power transmission systems experience stresses due to overvoltages and hence the insulation design of Extra High Voltage and Ultra High Voltage systems depend on the switching overvoltages rather than lightning overvoltages. Insulation failure probability under switching overvoltages is the main impressive concern in the estimation of switching surge flashover rate. . In this paper a new method is used to estimate the switching surge flashover rate of insulation under switching overvoltages generated during line energization, line re- energization, fault initiation and fault clearing of unloaded transmission line, which considered the variable characteristics of the insulation strength of the transmission line according to the switching overvoltage wave shape. The results focus on the comparison between traditional and new methods which considers the effect of the front time on the first 1200 kV UHVAC transmission-line in India.

Instructions: 

All the formulas used are clearly explained in research paper

Comments

The above data is used to calculate SSFOR for 1200kV UHVAC Transmission Line

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[1] Ramchandra Reddy, "Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape ", IEEE Dataport, 2019. [Online]. Available: http://dx.doi.org/10.21227/g7j9-rf46. Accessed: May. 22, 2019.
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doi = {10.21227/g7j9-rf46},
url = {http://dx.doi.org/10.21227/g7j9-rf46},
author = {Ramchandra Reddy },
publisher = {IEEE Dataport},
title = {Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape },
year = {2019} }
TY - DATA
T1 - Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape
AU - Ramchandra Reddy
PY - 2019
PB - IEEE Dataport
UR - 10.21227/g7j9-rf46
ER -
Ramchandra Reddy. (2019). Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape . IEEE Dataport. http://dx.doi.org/10.21227/g7j9-rf46
Ramchandra Reddy, 2019. Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape . Available at: http://dx.doi.org/10.21227/g7j9-rf46.
Ramchandra Reddy. (2019). "Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape ." Web.
1. Ramchandra Reddy. Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape [Internet]. IEEE Dataport; 2019. Available from : http://dx.doi.org/10.21227/g7j9-rf46
Ramchandra Reddy. "Estimation of Switching Surge Flashover Rate for a 1200 kV UHVAC Transmission Line by Considering Switching Overvoltage Wave shape ." doi: 10.21227/g7j9-rf46