Results 91 to 100 of about 1,951 (227)

Stability of Metal-Oxide Varistor Characteristics in Exploitation Conditions

open access: yesActa Physica Polonica A, 2009
Wide-spread use of metal–oxide varistors for non-linearity over-voltage protection results in a variety of possible working conditions. It is therefore essential to have a thorough insight into their reliability in various exploitation environments.
Lončar, Boris B.   +3 more
openaire   +3 more sources

Photopyroelectric spectrum of MNO2 Doped Bi2O3 - TiO2 - ZnO ceramic combination [PDF]

open access: yes, 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
core  

STUDY ON SURGE ARRESTER PERFORMANCE DUE TO LIGHTNING STROKE IN 20 KV DISTRIBUTION LINES

open access: yesTeknik, 2012
Electric energy has been transmiting from power station to end user with transmission and distribution lines.Lightning strokes are problems that occure in transmission and distribution lines and make them fault when theelectric energy were transmited ...
Agung Warsito   +2 more
doaj  

Consideration of surge arresters for low voltage mains applications [PDF]

open access: yes, 2012
The work presented in this report details the background to surge arresters and surge protective device components, viz., spark gaps, gas discharge tubes and metal oxide varistors.
Michalopoulos, Aristidis
core  

Rural Facility Electric Power Quality Enhancement [PDF]

open access: yes, 1991
Electric power disturbances are known to be more prevalent in small, isolated power systems than in larger interconnected grids which service most of the United States. This fact has given rise to a growing concern about the relative merits of different
Aspnes, J.D.   +3 more
core  

Simulation Analysis of DC Fault Interruption Characteristics of Superconducting Electric Aircraft Propulsion

open access: yesCSEE Journal of Power and Energy Systems
Environmental issues associated with the aviation industry are getting more attention as air traffic increases. Stringent standards are imposed for fuel consumption and pollution emissions for next-generation aircraft.
Muhammad Junaid   +5 more
doaj   +1 more source

Detection of Failures in Metal Oxide Surge Arresters Using Frequency Response Analysis. [PDF]

open access: yesSensors (Basel), 2023
Zacarias TG   +9 more
europepmc   +1 more source

Origin of solid-state activated sintering in BiO₂₃-doped ZnO. [PDF]

open access: yes, 1999
Thesis (S.M.)--Massachusetts Institute of Technology, Dept.
Luo, Jian, 1971-
core  

串联补偿装置用MOV工况分析及其关键技术的研究

open access: yesGaoya dianqi, 2014
结合串联补偿装置的工作原理,仔细分析了金属氧化物限压器(metal oxide varistor,MOV)的工况,比较了TCSC与FSC不同构成的串联补偿装置中MOV的特点,对MOV的过电压保护和控制措施进行了较深入的讨论、总结。对设计MOV的关键技术——保护水平、能量耐受和工频电压稳定性、电流分布、特殊的短路电流释放能力等进行了深入研究。笔者根据国内某一500 kV交流电力系统串补工程的招标技术要求,设计了复合外套和瓷外套不同结构的MOV,产品通过了中国电力科学研究院的型式试验,满足工程需要。
赵冬一   +5 more
doaj  

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