Results 111 to 120 of about 2,670,785 (225)
Gaoya 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
IEEE AccessThis study presents an experimental evaluation of surge protection performance of a LED road luminaire subjected to standardized 8/ $20\mu $ s impulse stress.
Vasilios P. Androvitsaneas
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IEEE Open Journal of the Industrial Electronics SocietyMetal oxide varistor (MOV) is a nonlinear resistive element whose resistance decreases rapidly when the applied voltage exceeds a threshold value. A dc solid-state circuit breaker (SSCB) uses MOVs or MOV with resistor-capacitor-diode (RCD) snubber ...
Seong Jin Lim +3 more
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Detection of Failures in Metal Oxide Surge Arresters Using Frequency Response Analysis. [PDF]
Sensors (Basel), 2023 Zacarias TG +9 more
europepmc +1 more source
Effect of sintering temperature and heat treatment on electrical properties of indium oxide based ceramics [PDF]
, 2008 Indium oxide based ceramics with bismuth oxide addition were sintered in air in the temperature range 800-1300 ºC. Current-voltage characteristics of In2O3-Bi2O3 ceramics sintered at different temperatures are weakly nonlinear.
Bulpett, R +5 more
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Effects of polyvinyl acetate on the nonlinearity of zinc oxide varistor
, 2008 The effects of polyvinyl acetate (PVA) on the physical and electrical characteristics of Zinc Oxide (ZnO) varistor were investigated. The mass fraction of PVA was varied into different concentrations of 1%, 5%, 8% and 10%.
Herrera, Nerissa T
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The behaviour and performance of metal oxide varistor under the application of multiple lightning impulses [PDF]
, 2005 The behaviour and performance of lightning protective devices such as the metal oxide varistor (MOV) under the application of multiple lightning impulse are different from that of the standard single stroke test.
Yaacob, Mohd. Muhridza
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Effects of Dopants and Processing Parameters on the Properties of ZnO-V2O5-Based Varistors Prepared by Powder Metallurgy: A Review. [PDF]
Materials (Basel), 2023 Lungu MV.
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, 1966 Voltage and current characteristics of metal-oxide-metal thin film varistor prepared by vacuum evaporation method are discussed with the theory of R. Stratton on tunneling currents through thin insulating films.
山口, 勝也, 大久保, 明伸
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Statistical evaluation of grain boundaries of varistors with modified bismuth oxide
, 2018 Oxide varistors are made of inhomogeneous material whose properties are determined by active grain boundaries. It is essential that in the microstructure of a varistor only active grain boundaries are present as only such boundaries are involved in the ...
J. Warycha, W. Mielcarek
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