Results 31 to 40 of about 15,286 (265)

Study on the Fast Transient Process of Primary Equipment Operation in UHV Fixed Series Capacitors Based on PEEC Method

Sensors
This manuscript proposes a fast transient simulation method based on PEEC to model overvoltage caused by spark gap and disconnecting switch operations in UHV series compensation (FSC).
Baojiang Tian, Kai Xu, Yingying Wang, Pei Guo, Chao Xiao, Wei Han, Yiran Dong, Jingang Wang   +7 more
doaj   +1 more source

The electromagnetic stability analysis of superconducting high-speed maglev system [PDF]

AIP Advances
The electromagnetic stability analysis of electro-dynamic high-speed maglev systems is a key research topic. An electromagnetic stability analysis model of the high-speed superconducting maglev system is introduced. The model could be used to analyze the
Weilai Shang
doaj   +1 more source

Thermal modeling of the cylindrical electromagnets in transient and steady-state modes

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, 2022
Purpose An excessive increase in temperature will reduce the lifespan and even burn the coil. The variety of materials in the structure of the electromagnet along with its multi-layer winding creates a complex and heterogeneous thermal structure. There are very few researches that are completely focused on the thermal analysis of electromagnets.
Ali Hashemi, Parsa Yazdanpanah Qaraei, Mostafa Shabanian   +2 more
openaire   +1 more source

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

Advanced Functional Materials, Volume 36, Issue 43, 29 May 2026.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner, Ruben Maile, Murat Cuvalli, Andreas Wolf, Ayisha Komal, Robert Oestreich, Christoph Janiak, Karl Mandel, Alexander Knebel, Klaus Müller‐Buschbaum   +9 more
wiley   +1 more source

Transient Electromagnetic Processes Analysis in High Voltage Transmission Lines during Two-Phase Short Circuits

Sensors, 2022
The mathematical model of a fragment of a high-voltage electric network is developed in this paper. The network consists of a long power line with distributed parameters and an equivalent three-phase active-inductive load.
Tomasz Perzyński, Vitaliy Levoniuk, Radosław Figura   +2 more
doaj   +1 more source

MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance

Advanced Functional Materials, Volume 36, Issue 43, 29 May 2026.
Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley   +1 more source

Reduced‐order electromagnetic transient model based on equivalent flux linkage derivative for induction motors under voltage sag condition

IET Electric Power Applications
Precise electromagnetic transient simulation of induction motors (IMs) under voltage sag condition is necessary in Electro‐Magnetic Transient Programme. Although traditional fifth‐order model can accurately reflect the electromagnetic transient behaviour
Guangliang Yang, Tongyu Guan, Jinping Kang, Yang Zhan, Guorui Xu, Haisen Zhao   +5 more
doaj   +1 more source

Modelling and Operation Analysis of Electromechanical Transient- Electromagnetic Transient Hybrid System

Chemical Engineering Transactions, 2017
The electromechanical-electromagnetism hybrid simulation technology combines the advantages of electromechanical transient simulation and electromagnetic transient simulation. It can coordinate the simulation scale, precision and speed and provide new ideas and ways to study the stability and dynamic of large-scale power system characteristics.
openaire   +2 more sources

Exploring Curvature Effects in Direct‐Written 3D Curved Hollow Magnetic Nanoshells

Advanced Functional Materials, EarlyView.
Fabricated by a hybrid FEBID/CVD method, 3D PtC/Co3Fe core–shell heterostructures with engineered curvature and shell thickness exhibit complex reversal modes with axially symmetric N'eel‐type domain walls. XMCD‐PEEM combined with full‐scale micromagnetic simulations reveal how curvature and thickness govern the domain wall energy landscape and shape ...
Oleksii M. Volkov, Fabrizio Porrati, Florian Kronast, Riccardo Hertel, Pavlo Makushko, Olha Bezsmertna, Alexander Kuprava, Mohamad‐Assaad Mawass, Sven Barth, Michael Huth, Denys Makarov   +10 more
wiley   +1 more source

Electromagnetic Transient Modelling and Verifying of Wind Turbine Generator

Zhongguo dianli, 2020
The transient characteristics of wind turbine generator have great influence on the stable operation of renewable energy base and the power grid in the near region, therefore it is of great significance to build accurate wind turbine generator model for ...
Xing ZHANG, Yanxia SUN, Lina LI, Caiyun GAO, Junhua MA, Liping GAO, Keke LIU, Guoqing HE, Guanghui LI   +8 more
doaj   +1 more source