Results 21 to 30 of about 362,311 (271)
Condition monitoring of zinc oxide surge arresters [PDF]
, 2011 Over voltages in power system may occur due to lightning, fault or switching operation. These overvoltages could reach dangerous amplitudes for power system apparatus.
Nouruddeen Bashir +8 more
core +1 more source
Energies, 2017 The appropriate circuit modeling of metal oxide gapless surge arresters is critical for insulation coordination studies. Metal oxide arresters present a dynamic behavior for fast front surges; namely, their residual voltage is dependent on the peak value,
Christos A. Christodoulou +4 more
doaj +1 more source
Online Condition Monitoring of 120 kV Zinc Oxide Surge Arresters Using Correlation Method
Engineering Proceedings, 2023 The degradation of Zinc Oxide Surge Arresters (ZnOSA) is commonly detected by the resistive component of its leakage current ‘Ir’. The methods previously employed to extract the resistive component of the leakage current were intricate and demanded a ...
Syeda Sakina Haider +4 more
doaj +1 more source
PERFORMANCE OF PARALLEL SURGE ARRESTERS [PDF]
, 2011 The operation of parallel surge arresters can improve energy absorption capability if the arresters are similar and are installed close to each other.
Griffiths, H., Osborne, M., Haddad, A.
core +1 more source
Energies, 2020 Preventing the medium voltage (MV) transformer fault by protecting transformers against indirect lightning strikes plays a crucial role in enhancing the continuous service to electricity consumers.
Mahdi Pourakbari-Kasmaei, Matti Lehtonen
doaj +1 more source
Ain Shams Engineering Journal, 2023 The new extra high voltage overhead lines and substations have increased the overvoltage phenomenon in the electrical interconnected system, especially in high voltage circuit breakers operate in a failure condition.
Ricardo Manuel Arias Velásquez +1 more
doaj +1 more source
Efficient replacement of the radioactive sources in the gas-filled surge arresters construction for the insulation co-ordination at the low voltage level [PDF]
Nuclear Technology and Radiation Protection, 2020 The possibility of the classical response rate engineering and the long-term deconditioning of the gas-filled surge arresters is considered in this paper. The obtained results are compared with the same results obtained with the gas-filled surge
Nedić Teodora M. +3 more
doaj +1 more source
Metodologia da manutenção centrada em confiabilidade aplicada a pára-raios de alta tensão [PDF]
, 2006 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia ElétricaEste trabalho de dissertação apresenta a aplicação da metodologia da Manutenção Centrada em Confiabilidade (MCC) em pára ...
Britto, Tales Marques de
core
Polymer Surge Arresters: Degradation Versus Electrical Performance
, 2015 This research presents the electrical performance of metal-oxide surge arresters with polymeric housing, applied on the power distribution network, as a function of the physical-chemical degradation which over the time they are exposed.
Jesus R.C. +6 more
core +1 more source
Phase‐Pure and Size‐Tunable Tin Halide Perovskite Quantum Dots
Advanced Materials, EarlyView.A trioctylphosphine oxide modulated protocol allows for the synthesis and study of the optical properties of a broad library of tin halide perovskite quantum dots across multiple A‐ and X‐site compositions with precise size tuning while eliminating unwanted 2D phases.
Ole F. Dressler +7 more
wiley +1 more source