Analysis of thermal effects for polymer-housed metal-oxide surge arrester under multiple strokes

L Huang, L Zhou, W Chen, R Wei… - … on Power Delivery, 2022 - ieeexplore.ieee.org
Multiple strokes are the main factors affecting the safe and stable operation of power
equipment. As the core lightning protection equipment, arresters are also frequently …

MOV failure modes and microstructural characteristics under operating duty tests with multiwaveform multipulse currents

Y He, B Wei, Z Fu, M Dai, J Liu - IEEE Transactions on Power …, 2018 - ieeexplore.ieee.org
Low-voltage (LV) metal oxide varistor (MOV) is the main voltage limiting element employed
in surge protective devices to protect sensitive equipment against lightning currents. MOV …

An experimental study of the failure mode of ZnO varistors under multiple lightning strokes

C Zhang, H Xing, P Li, C Li, D Lv, S Yang - Electronics, 2019 - mdpi.com
In this study, in order to explore the failure mode of ZnO varistors under multiple lightning
strokes, a five-pulse 8/20 μs nominal lightning current with pulse intervals of 50 ms was …

On the simulation of lightning current for the application in lightning arrester and material ablation tests

Y He, Z Fu, A Jiang - 2015 Asia-Pacific Symposium on …, 2015 - ieeexplore.ieee.org
Approximately 70% of cloud-to-ground lightning flashes are multi-stroke flash with an
average stroke number of about four per flash. The main lightning current components found …

[HTML][HTML] Analysis of the failure mode of surge protector under multi-pulse lightning strikes and its mechanism

C Li, C Zhang, G Zhang, M Kong, Z Yang - Energy Reports, 2022 - Elsevier
This paper proposes a special disconnector for surge protector (SPD) with the ability to pass
large pulse currents under multiple pulses, which has been verified to solve the problem of …

An experimental study on the effect of multiple lightning waveform parameters on the aging characteristics of ZnO varistors

C Zhang, C Li, D Lv, H Zhu, H Xing - Electronics, 2020 - mdpi.com
In this study, in order to study the effect of multi-pulse waveform parameters on the aging
characteristics of ZnO varistor, the aging rate and surface temperature rise of ZnO varistor …

Parallel Impulse Current Shunt Performance of Multiple MOVs for 500 kV Series Compensation

R Fu, J Wang, X Wang, Y Wei, M Zhou… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
As an important component of the transmission line series compensation device, MOVs
have the strong nonlinear characteristics to limit the overvoltage caused by line fault and …

Micro-degradation characteristics and mechanism of ZnO varistors under multi-pulse lightning strike

C Zhang, H Xing, C Li, R Cai, D Lv - Energies, 2020 - mdpi.com
In view of the problem that ZnO varistors are often subjected to thermal breakdown and
deterioration due to lightning strikes in low-voltage power distribution systems, this article …

Power frequency shunting property of whole group 500kV UHV Series compensated MOVs containing 10 Served and 1 New MOVs

R Fu, J Wang, X Wang, Y Wei, M Zhou, C Li… - Electric Power Systems …, 2024 - Elsevier
Metal OxideVaristors (MOV) are widely used as protective devices of series compensation
capacitor banks for Extra-High Voltage and UHV (Ultra High Voltage) large capacity long …

Influencing factors of breaking capacity of double-break vacuum circuit breakers

S Shu, J Ruan, D Huang, G Wu - … Indonesian Journal of …, 2013 - journal.esperg.com
Using a series arrangement of two vacuum interrupters (VIs) has been proved to be an
effective way of developing higher voltage vacuum circuit breakers (VCBs), which are known …