Pollution flashover voltage of transmission line insulators: Systematic review of experimental works

AA Salem, KY Lau, W Rahiman, Z Abdul-Malek… - IEEE …, 2022 - ieeexplore.ieee.org
Over the past decades, extensive experimental-based research works have been carried out
to investigate the flashover phenomenon on the performance of polluted transmission line …

Risk assessment for electrified railway catenary system under comprehensive influence of geographical and meteorological factors

D Feng, Q Yu, X Sun, H Zhu, S Lin… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Catenary is essential for electric locomotives to obtain electric energy, and it is crucial to the
normal and stable operation of electric locomotives. However, the catenary is completely …

Investigating and modeling ageing effects on polymeric insulator electrical properties

AA Salem, AA Alawady, KY Lau, W Rahiman… - IEEE …, 2023 - ieeexplore.ieee.org
Polymeric insulators, in particular silicone rubber (SIR) are lightweight, have good
hydrophobicity characteristics, and are easy to carry and install. They are commonly used for …

Condition assessment criteria evaluation of asymmetric aged and fully aged silicone rubber insulators based on leakage current harmonics

M Esmaieli, M Khodsuz, H Nouri - IET Science, Measurement & …, 2024 - Wiley Online Library
The leakage current characteristic monitoring of transmission line insulators is considered a
worthy technique for insulator state prediction. In this paper, the harmonic analysis of …

Switching impulse flashover performance of nonuniform pollution insulators in natural environment

M Wang, Y Yuan, X Jiang, T Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Under natural conditions, insulators show a nonuniform pollution state, which has a great
influence on the switching impulse flashover voltage of insulators. Meanwhile, the insulation …

Effects of dynamic deformation of pendant water drops on the electric field between hollow porcelain insulator sheds under extreme rainfall

Y Sun, L Yang, G Shang, Z Kuang, Y Liao, Y Hao… - High …, 2022 - Wiley Online Library
Hollow porcelain insulators in substations are frequently confronted with rain flashovers
under extreme rainfall. This study aims to investigate the spatial and temporal variation of …

Formation Mechanism and Optimization Method of Streak-Shaped Pollution for the Roof Insulator of EMUs

W Wei, Z Yu, Y Guo, Y Liu, G Wu - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Roof insulators are one of the key pieces of equipment to ensure the electrical safety of high-
speed railways (HSRs). When the umbrella skirt of a roof insulator is seriously polluted in …

The Effect of DC Voltage Pre-Stress on the Breakdown Voltage of Air under Composite DC and LI Voltage and Test Circuit: Design and Application

MM Ispirli, Ö Kalenderli, F Seifert, M Rock, B Oral - Energies, 2022 - mdpi.com
The use of HVDC systems is increasing in number due to technological innovations,
increasing power capacity and increasing customer demand. The characteristics of …

Qualitative Analysis on Impact of Aging on the Electrical Properties of Polymeric Insulators

JR Tarra, VR Guntreddi, K Suneeta… - … on Advances in …, 2024 - ieeexplore.ieee.org
In order to maintain the dependability and safety of electrical systems over their operational
lifetimes, it is imperative to investigate how aging affects polymeric insulators' electrical …

Experimental investigation of transient surface currents on polluted polymer insulators loaded with superimposed HVDC voltage

J Hanusrichter, SJ Frobin, F Jenau - 2023 - IET
This work discusses and analyses the measured impulse currents flowing over the surface
of an artificially polluted polymer insulator loaded with a superimposed HVDC voltage. The …