Готові списки джерел за темами / Metal Oxide Varistor (MOV)

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Добірка наукової літератури з теми "Metal Oxide Varistor (MOV)"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Metal Oxide Varistor (MOV)"

Wang, Guoming, Woo-Hyun Kim, Jong-Hyuk Lee, and Gyung-Suk Kil. "Condition monitoring and deterioration analysis of metal oxide varistor." Journal of Electrical Engineering 69, no. 5 (2018): 352–58. http://dx.doi.org/10.2478/jee-2018-0051.

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Abstract With the growing demand for application of metal-oxide varistor (MOV) in low-voltage electronic circuits for overvoltage protection, it is necessary to ensure its performance to avoid the short-circuit and the line-to-ground fault during operation. In this paper, a precise leakage current analyzer was developed to detect the total leakage current and third harmonic component of MOV for its condition monitoring. The voltage- and temperature-dependent measuring uncertainties were compensated using the multipliers. In addition, the deterioration characteristics of the MOV and the newly d

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Zhang, Sa, Zhong Hou Xu, Shi Chen, You Sheng Xu, and Gen Hua Wu. "The Design Principle and Application of Thermally Protected Metal Oxide Varistor TMOV." Advanced Materials Research 472-475 (February 2012): 1851–55. http://dx.doi.org/10.4028/www.scientific.net/amr.472-475.1851.

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Metal oxide varistors referred to as MOV were widely applied due to its excellent non-linear volt-ampere characteristic. In spite of its predominant function and using, MOV is always failed in value due to the increased temperature of MOV itself under an applied external field. The varistors assembly with an fusible alloy type thermal cutoff (called TMOV as follows) was designed in this paper, and it can make MOV avoid over-heat from degradation, failure and thus can prevent from fire hidden trouble, which was confirmed by experiments. It is really a very important technological improvement an

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Bhatt, Srishti, and Dr. Shirish C. Bali. "Failure Analysis of Metal Oxide Varistor used in Wireless Charger of Automotive Vehicle." ARAI Journal of Mobility Technology 5, no. 1 (2025): 1433–45. https://doi.org/10.37285/ajmt.5.1.4.

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Automotive advancement mainly focuses on Personalization, Automation, Connectivity and Electrification (PACE) which includes advancement in wireless and telecommunication domain. Different mobile wireless-charging technologies are being developed in recent automotive trends. This enables the smartphone to start charging simply by placing on the charging pad. The heart of the technology is its Printed Circuit Board (PCB) which contains multiple power-electronics to meet the customer demands. Epoxy moulded chip type Metal Oxide Varistor (MOV) is a widely used in automotive sector. In present stu

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Gutknecht, Toni, Anna Gustafsson, Christer Forsgren, Christian Ekberg, and Britt-Marie Steenari. "Investigations into Recycling Zinc from Used Metal Oxide Varistors via pH Selective Leaching: Characterization, Leaching, and Residue Analysis." Scientific World Journal 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/653219.

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Metal oxide varistors (MOVs) are a type of resistor with significantly nonlinear current-voltage characteristics commonly used in power lines to protect against overvoltages. If a proper recycling plan is developed MOVs can be an excellent source of secondary zinc because they contain over 90 weight percent zinc oxide. The oxides of antimony, bismuth, and to a lesser degree cobalt, manganese, and nickel are also present in varistors. Characterization of the MOV showed that cobalt, nickel, and manganese were not present in the varistor material at concentrations greater than one weight percent.

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LUNGU, MAGDALENA-VALENTINA, ALINA CARAMITU, MIHAI MARIN, et al. "PERFORMANCE OF ZINC OXIDE-VANADIUM PENTOXIDE VARISTORS IN MEDIUM VOLTAGE SURGE ARRESTERS." REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 69, no. 2 (2024): 183–88. http://dx.doi.org/10.59277/rrst-ee.2024.2.11.

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Metal oxide varistor (MOV) discs (Ø28 mm × 12 mm) made of 97.5 mol.% zinc oxide (ZnO), and 0.5 mol.% each of vanadium pentoxide (V2O5), tin (IV) oxide (SnO2), antimony(III) oxide (Sb2O3), cobalt(II, III) oxide (Co3O4), and chromium(III) oxide (Cr2O3) additives were produced using powder metallurgy. The obtained MOVs were polycrystalline with high density. This study focused on analyzing the microstructure and mechanical and electrical properties of the MOVs. The developed MOVs had a fine-grained microstructure with an average ZnO grain size of about 10 μm. The Ag-coated MOV discs tested in a r

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Lu, Hao, Motao Zhang, Hanwu Yang, Huibo Zhang, Zicheng Zhang, and Jingming Gao. "The design of a high-voltage, long-pulse width, flat-top compensation pulse generator based on metal oxide varistors." Review of Scientific Instruments 93, no. 5 (2022): 054704. http://dx.doi.org/10.1063/5.0071272.

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In recent years, the pulse forming technology based on metal oxide varistors (MOVs) has been verified to be an effective way to generate high-voltage quasi-square pulses. Due to the limited varistor voltage of a single MOV brick, multiple MOV bricks connected in series are required to stabilize a pulse with high amplitude (larger than hundreds of kV), which leads to the rise of the series inductance of the MOV branch and the flat-top droop in the output waveform. This paper provides two solutions to reduce the influence of the MOV branch inductance on output waveforms. One is that a coaxial ev

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Fauzan, Muhammad Farrel Dava, Nur Siffa, Fita Pratiwi, Okan Fadilah, and Defi Rosiana Azizah. "Simulation-Assisted Instruction on Electro-Thermal Relationships in Metal-Oxide Varistors Using the FDTD Method." Current STEAM and Education Research 3, no. 2 (2025): 73–88. https://doi.org/10.58797/cser.030203.

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Metal-Oxide Varistor (MOV) is a key component in electrical protection systems, safeguarding devices from excessive voltage surges. MOV exhibits non-linear behavior, acting as an insulator at normal voltages and a conductor at high voltages, absorbing excess energy to protect connected devices. This study employs the Finite-Difference Time-Domain (FDTD) method to analyze the electro-thermal characteristics of MOV, including the voltage-current relationship, resistivity changes with temperature, and temperature distribution within MOV. The FDTD method models the distribution of electric fields,

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Kim, Sung-Yeon, Jeong-Su Park, and Wang-Sang Lee. "Development and Verification of Indirect Lightning-Induced Transient Protection Circuit for Avionics System." Applied Computational Electromagnetics Society 36, no. 6 (2021): 670–75. http://dx.doi.org/10.47037/2020.aces.j.360608.

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In this paper, an indirect lightning-induced transient protection circuit for avionics system is proposed, and its effectiveness is verified. The proposed circuit consists of a metal oxide varistor (MOV), a transient voltage suppression (TVS) diode, and a resistor. Compared with the conventional circuits (MOV or TVS diode), the improved noise suppression of the proposed circuit against indirect lightning strikes are experimentally verified in accordance with radio technical commission for aeronautics (RTCA) DO-160G Sec. 22. The highest attenuation levels of indirect lightning strike WF5A refer

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Tanaka, Tokuya, Yoshihiro Baba, Yoshimasa Tsujimoto, and Naoyuki Tsukamoto. "FDTD Electromagnetic and Thermal Simulation of a Metal Oxide Varistor Element Considering the Temperature Dependence of Its Resistivity." Electricity 2, no. 2 (2021): 158–67. http://dx.doi.org/10.3390/electricity2020010.

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Electromagnetic fields and the heat of a metal oxide varistor (MOV), in which a lightning impulse current flows, are calculated using the finite-difference time-domain (FDTD) method. The MOV is represented with small rectangular parallelepiped cells, each of which has a resistivity dependent on electric field and temperature. For this purpose, the expression of resistivity as a function of the electric field, proposed previously, is extended to include the dependence on temperature. The temperature dependence is based on voltages across an MOV for impulse currents of 0.5 to 10 kA at temperatur

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Lungu, Magdalena Valentina. "Effects of Dopants and Processing Parameters on the Properties of ZnO-V2O5-Based Varistors Prepared by Powder Metallurgy: A Review." Materials 16, no. 10 (2023): 3725. http://dx.doi.org/10.3390/ma16103725.

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This article reviews the progress in developing ZnO-V2O5-based metal oxide varistors (MOVs) using powder metallurgy (PM) techniques. The aim is to create new, advanced ceramic materials for MOVs with comparable or superior functional properties to ZnO-Bi2O3 varistors using fewer dopants. The survey emphasizes the importance of a homogeneous microstructure and desirable varistor properties, such as high nonlinearity (α), low leakage current density (JL), high energy absorption capability, reduced power loss, and stability for reliable MOVs. This study investigates the effect of V2O5 and MO addi

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Більше джерел

Дисертації з теми "Metal Oxide Varistor (MOV)"

Summers, Clinton Thomas. "Distance Protection Aspects of Transmission Lines Equipped with Series Compensation Capacitors." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/35284.

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In order to meet the high demand for power transmission capacity, some power companies have installed series capacitors on power transmission lines. This allows the impedance of the line to be lowered, thus yielding increased transmission capability. The series capacitor makes sense because it's simple and could be installed for 15 to 30% of the cost of installing a new line, and it can provide the benefits of increased system stability, reduced system losses, and better voltage regulation.1 Protective distance relays, which make use of impedance measurements in order to determine the p

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Kapuduwage, Sarath, and skapuduwage@hotmail com. "Fault Location on the High Voltage Series Compensated Power Transmission Networks." RMIT University. Electrical and Computer Engineering, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080418.120506.

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Nowadays power transmission networks are capable of delivering contracted power from any supplier to any consumer over a large geographic area under market control, and thus transmission lines are incorporated with FACTs series compensated devices to increase the power transfer capability with improvement to system integrity. Conventional fault location methods developed in the past many years are not suitable for FACTs transmission networks. The obvious reason is that FACTs devices in transmission networks introduce non-linearity in the system and hence linear fault detection methods ar

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Shah, Syed Arif Ullah. "The impacts of series compensated EHV lines on distance protection, and a proposed new mitigation solution." Thesis, KTH, Elektroteknisk teori och konstruktion, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-209916.

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Series compensation is extensively applied to the transmission lines to increase the power transfer capability of transmission lines, reduce transmission losses, improve voltage profiles, and improve power oscillation damping and transient stability of power systems. But it modifies the apparent impedance of the transmission lines during fault conditions and might cause the distance protection of transmission lines to encounter directional discrimination issues and reach problems. The non-linear characteristic of metal oxide varistor in series compensation model creates further complexity to t

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Strandberg, Leo, and Zivojin Mirovic. "Hållbar kraftförsörjning av signalanläggningar : En undersökning av Roslagsbanans signalsäkerhetsutrustning." Thesis, KTH, Hälsoinformatik och logistik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230635.

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Roslagsbanans signalanläggningar har flera olika lösningar för dess strömförsörjning i form av standarder för batterier och likriktare. Denna lösningsvariation har försvårat för underhållspersonalen att åtgärda de fel som uppstått och därmed fördröjt trafiken, dvs trafikstörningar. Roslagsbanan försörjs delvis av lokala elnät där avbrott emellanåt förekommer. Dessa avbrott inträffar ofta när elnätsleverantörerna underhåller sitt ortnät vilket kan ske även under rusningstrafik. Avbrotten kan även orsakas inom signalanläggningarna när stora spänningsvariationer förekommer, t.ex. när stora indukt

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Lee, Yueh-Feng, and 李岳峰. "Testing and Aging Analysis of Metal Oxide Varistor Components." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/88014620047061090433.

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碩士<br>輔仁大學<br>電機工程學系碩士在職專班<br>104<br>Metal oxide varistor (MOV), also known as surge absorber,will change its original characteristics with the increase of the suffering of surges, and the worse of the inhibition effect of surges has caused the interruption or destruction for the protection devices. But where can we know the ageing of the surgeabsorber?Obviously,the proper replacement will be a vital issue. The thesis presents the testing and aging analysis for the specifications of MOV, that refer to the international certification standards related to surge protection device IEC 61643-1 and

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Ezhilvalavan, S. "Influence Of Formulation Methods On The Nonlinear Voltage-Limiting Properties Of Zinc Oxide Varistor Ceramics." Thesis, 1996. https://etd.iisc.ac.in/handle/2005/1760.

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Ezhilvalavan, S. "Influence Of Formulation Methods On The Nonlinear Voltage-Limiting Properties Of Zinc Oxide Varistor Ceramics." Thesis, 1996. http://etd.iisc.ernet.in/handle/2005/1760.

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Частини книг з теми "Metal Oxide Varistor (MOV)"

Zhou, Qibin, Hongxiang Yang, and Xin Huang. "Influence of Micro-structure Disorder in the Numerical Modeling of Metal Oxide Varistor on Current Distribution." In The Proceedings of the 9th Frontier Academic Forum of Electrical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6606-0_20.

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"Fault analysis of Metal Oxide Varistor (MOV) for series compensation capacitor banks." In Mechatronics Engineering and Electrical Engineering. CRC Press, 2015. http://dx.doi.org/10.1201/b18421-24.

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"Introduction of Varistor Ceramics." In Metal Oxide Varistors. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527684038.ch1.

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"Simulation on Varistor Ceramics." In Metal Oxide Varistors. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527684038.ch5.

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"Titanium-Based Dual-function Varistor Ceramics." In Metal Oxide Varistors. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527684038.ch10.

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"Praseodymium/Vanadium/Barium-Based ZnO Varistor Systems." In Metal Oxide Varistors. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527684038.ch8.

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"Tin Oxide Varistor Ceramics of High Thermal Conductivity." In Metal Oxide Varistors. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527684038.ch11.

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"WO3 -Based Varistor Ceramics of Low Breakdown Voltage." In Metal Oxide Varistors. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527684038.ch12.

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"Breakdown Mechanism and Energy Absorption Capability of ZnO Varistor." In Metal Oxide Varistors. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527684038.ch6.

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Reza, Mohammad. "Metal Oxide ZnO-Based Varistor Ceramics." In Advances in Ceramics - Electric and Magnetic Ceramics, Bioceramics, Ceramics and Environment. InTech, 2011. http://dx.doi.org/10.5772/23601.

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Тези доповідей конференцій з теми "Metal Oxide Varistor (MOV)"

Qiu, Hui, Wanli Zhai, Qiancheng Lin, et al. "Research on the Degradation Process of Metal Oxide Varistor based on Macroscopic Capacitance." In 2024 3rd International Conference on Energy, Power and Electrical Technology (ICEPET). IEEE, 2024. http://dx.doi.org/10.1109/icepet61938.2024.10626041.

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Zhang, Zhi Jin Justin, Yang Liu, Lukas Graber, and Maryam Saeedifard. "Data-Driven Characterization and Forecasting of Metal-Oxide Varistor Degradation in DC Circuit Breakers." In 2025 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2025. https://doi.org/10.1109/apec48143.2025.10977319.

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Zhao, Can, Mingsheng Luo, Bin Chen, Guangchao Lyu, Minbo Zhou, and Xinping Zhang. "Electro-thermo-mechanical Reliability of Low Melting-point Solder Joints in Metal Oxide Varistor Packages under High Surge Current Densities." In 2024 25th International Conference on Electronic Packaging Technology (ICEPT). IEEE, 2024. http://dx.doi.org/10.1109/icept63120.2024.10668669.

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Men, Yuxi, Xiaonan Lu, Zheyu Zhang, and Ramanathan Thiagarajan. "Metal Oxide Varistor (MOV) Lifetime Estimation with Impulse-Based Testing in PV Inverter Systems." In 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems (PEDG). IEEE, 2022. http://dx.doi.org/10.1109/pedg54999.2022.9923107.

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Vernica, Ionut, Per Thastrup Jensen, Huai Wang, Francesco Iannuzzo, Susanne Otto, and Frede Blaabjerg. "Loss and Thermal Modeling of Metal Oxide Varistors (MOV) Under Standard Current Surge Mission Profile." In 2019 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2019. http://dx.doi.org/10.1109/ecce.2019.8913287.

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Zhang, Wei, and Jie Guo. "Impedance Characteristics of Metal Oxide Varistor under Different Pulses." In 2019 IEEE Pulsed Power & Plasma Science (PPPS). IEEE, 2019. http://dx.doi.org/10.1109/ppps34859.2019.9009983.

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Rao, Xuni, Jie Guo, Yue Zhou, Qi Wei, and Xing Liu. "Research on leakage current characteristic of metal oxide varistor." In 2017 1st International Conference on Electrical Materials and Power Equipment (ICEMPE). IEEE, 2017. http://dx.doi.org/10.1109/icempe.2017.7982189.

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Van Niekerk, D., and P. Bokoro. "Durability Analysis of Metal Oxide Varistor under Direct Current Switching Surges." In 2020 International SAUPEC/RobMech/PRASA Conference. IEEE, 2020. http://dx.doi.org/10.1109/saupec/robmech/prasa48453.2020.9040958.

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Velasquez, Ricardo Manuel Arias, Felipa Elvira Munoz Ccuro, and Jennifer Vanessa Mejia Lara. "Methodology for Metal Oxide Varistor design applied to Fixed series capacitor." In 2022 IEEE Engineering International Research Conference (EIRCON). IEEE, 2022. http://dx.doi.org/10.1109/eircon56026.2022.9934821.

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Kondo, Kensuke, and Naoyuki Tsukamoto. "Varistor Voltage Behavior of Metal Oxide Varistors Stressed by Electromagnetic Pulse." In 2024 IEEE Joint International Symposium on Electromagnetic Compatibility, Signal & Power Integrity: EMC Japan / Asia-Pacific International Symposium on Electromagnetic Compatibility (EMC Japan/APEMC Okinawa). IEEE, 2024. http://dx.doi.org/10.23919/emcjapan/apemcokinaw58965.2024.10584964.

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