Results 81 to 90 of about 2,235 (252)
Modeling Metal Oxide Surge Arrester for the Modern Polarization Based Diagnostics [PDF]
, 2005 Recently a number of new non-destructive diagnostic techniques have been investigated for the reliable condition assessment of the ageing of metal oxide surge arrester (MOSA).
Mardira, K. P., Saha, T. K.
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IET Electrical Systems in Transportation, Volume 2025, Issue 1, 2025.Decarbonizing rail transport in response to global warming is fundamental to achieving a net zero transportation system. Along with increased passenger mobility and network electrification initiatives, significant connectivity between the train and infrastructure is needed to underpin operational communications and safety, information exchange, and ...
Yljon Seferi +3 more
wiley +1 more source
Back Flash Overvoltage Damages All DC/AC Converters in Photovoltaic Systems
IEEE AccessThis research addresses real faults in photovoltaic (PV) systems in Cuba, as these faults result in damage to all converters, whether in operation or not, when atmospheric discharge strikes nearby.
Osmel Perez Baluja +4 more
doaj +1 more source
Stability of microprocessor relay protection and automation systems against intentional destructive electromagnetic impacts. Part 2 [PDF]
, 2011 Problems of impact of the electromagnetic high-power pulses generated at nuclear explosion or by means of the special equipment, intended specially for damage of the electronic equipment, in particular digital protective relays and automatic systems ...
Gurevich, V. I.
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, 1978 An electroexplosive device is presented which employs a header having contact pins hermetically sealed with glass passing through from a connector end of the header to a cavity filled with a shunt layer of a new nonlinear resistive composition and a heat-
Menichelli, V. J.
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Large dopant dependence of the current limiting properties of intrinsic conducting polymer surge protection devices [PDF]
, 2016 New two terminal surge protection devices based on intrinsic conducting polymers are demonstrated to be strongly affected by the dopant molecule type. Thermogravimetric analysis combined with current–voltage studies show a causal link between the dopant ...
Gee, Alex +6 more
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Photopyroelectric spectrum of MNO2 Doped Bi2O3 - TiO2 - ZnO ceramic combination [PDF]
, 2008 Photopyroelectric spectroscopy is used to study the energy band-gap of the ceramic (ZnO 0.25 Bi2O3 +0.25 TiO2 + x MnO2), x = 0 - 1.3 mol%, sintered at isothermal temperature 1190 and 1270°C for 2 hours in air.
Hashim, Mansor +4 more
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Dianci bileiqi, 2011 MOV型SPD在运行时,一些因素会使MOV启动后的电流过大,电流发热量超出MOV热容量就会使SPD失效。国家标准中热稳定实验考查的就是MOV对于这种热量累积的耐受程度。对国家标准中关于MOV（Metal Oxide Varistor）型SPD（Surge Protective Device）的热稳定性判断条件进行试验和分析,对比了直流和交流电压两种情况下的热量累积并设计试验。把直流电和交流电热累积统一到"热阻"的概念,试验表明,直流电造成的SPD发热量比交流电造成的SPD发热量大10%。
杨天琦, 王振会, 朱传林, 孙涌
doaj
Origin of solid-state activated sintering in BiO₂₃-doped ZnO. [PDF]
, 1999 Thesis (S.M.)--Massachusetts Institute of Technology, Dept.
Luo, Jian, 1971-
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Comparative study of two synthesis methods to obtain ZnO-Pr2O3-CoO ceramic powders [PDF]
, 2004 [ES] Los polvos cerámicos de ZnO - Pr2O3 - CoO son utilizados como materia prima para la fabricación de varistores. Estos dispositivos presentan una característica corriente - voltaje altamente no lineal que permiten su uso como conmutadores de estado ...
Caballero Cuesta, Amador +4 more
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