Review on fiber-optic sensing in health monitoring of power grids

Q Chai, Y Luo, J Ren, J Zhang, J Yang… - Optical …, 2019 - spiedigitallibrary.org
Fiber-optic sensing technology is best adapted to health monitoring and evaluation of power
grids because of its immunity of electromagnetic interference, capabilities of multiplexing …

Online condition monitoring and leakage current effect based on local area environment

R Ahmed, T Kim, YJ Lee, S Jeon, J Yi, IH Choi… - … on Electrical and …, 2020 - Springer
High voltage outdoor insulator plays a pivotal role in safety and reliability of power
transmission system. Contamination severely influences the performance of outdoor …

A nonintrusive power supply design for self-powered sensor networks in the smart grid by scavenging energy from AC power line

J Han, J Hu, Y Yang, Z Wang… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
An advanced metering and monitoring system based on autonomous, ubiquitous and
maintenance-free wireless sensor networks is of great significance to the smart grid …

[PDF][PDF] Measuring and analyzing leakage current for outdoor insulators and specimens

D Pylarinos, K Siderakis, E Pyrgioti - Rev. Adv. Mater. Sci, 2011 - academia.edu
Outdoor insulation represents an important component of electric power transmission and
distribution systems considering that a single insulator failure can result to an excessive …

Development of contamination flashover pre-warning system and analysis of operating experience

C Zhao, H Mei, M Zhu, H Dai, L Wang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Pollution flashover has been a serious threat to the operation safety for the power system.
Online monitoring is one most important way for the operation and maintenance of power …

Characterization of charge distribution on the high voltage glass insulator string

NA Othman, MAM Piah, Z Adzis, H Ahmad… - Journal of …, 2014 - Elsevier
Irregularity in charge distribution of an insulator may lead to accelerated aging and electrical
breakdown. However, knowledge of charge distribution on the insulation surface is still …

A case study of glass insulator pin failure in 500 kV transmission line

JA Araújo, GAB Oliveira, MA Garcia… - Engineering Failure …, 2023 - Elsevier
This work investigates the causes of the failure of an insulator pin at tower 639 of the 500 kV
transmission power line (TL) Tucuruí-Vila do Conde in the State of Pará, Brazil. Such a tower …

In-situ monitoring of leakage current on composite and glass insulators of the Cahora Bassa HVDC transmission line

M Roman, RR van Zyl, N Parus… - SAIEE Africa Research …, 2019 - ieeexplore.ieee.org
High voltage transmission line design requires careful insulator selection to ensure good
operational performance. This paper reports on the in-situ measurements of leakage current …

Real-time monitoring of the leakage current of 230-kV glass-type insulators during washing

SC Oliveira, E Fontana… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
This paper reports the real-time behavior of the leakage current flowing on glass-type
insulator strings of a 230-kV substation tower during washing. Monitoring of two insulator …

Current transformer-based system for measuring leakage current

S Carvalho, G Bedenik, L Molina… - 2023 7th …, 2023 - ieeexplore.ieee.org
Insulators are crucial components in high-voltage electrical systems, and their failure can
result in substantial economic losses exceeding acquisition and installation costs. Failures …