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Icosahedral Group and Classification of PSL(2, Z)-Orbits of Real Quadratic Fields

Journal of Mathematics, 2020
Reduced numbers play an important role in the study of modular group action on the PSL2,ℤ-subset of Qm/Q. For this purpose, we define new notions of equivalent, cyclically equivalent, and similar G-circuits in PSL2,ℤ-orbits of real quadratic fields.
Tianlan Chen +4 more
doaj +1 more source

Method for determination of electromagnetic parameters of submersible induction motors [PDF]

Омский научный вестник, 2019
Positive and energy saving frequency control of submersible asynchronous electric motors demands a research of its work as a part of electrotechnical complexes of installations of electrocentrifugal pumps on the basis of modeling.
V. V. Anikin, R. N. Khamitov
doaj +1 more source

Analysis and Design of a Thomson Coil Actuator System for an HVDC Circuit Breaker

IEEE Access, 2022
In this study, we analyze and design a Thomson coil actuator system (TCAS) that ensures stable operation of a high voltage direct current circuit breaker.
Min-Seob Sim +2 more
doaj +1 more source

DETERMINATION OF PIEZOMATERIAL PRODUCTS PARAMETERS EXEMPLIFIED BY FOUR-ELEMENT RESONANT EQUIVALENT CIRCUITS

Измерение, мониторинг, управление, контроль, 2022
Background. The purpose of the study is to develop tools to measure parameters of piezomaterial products represented by four-element resonant equivalent circuits. Materials and methods.
A.V. Svetlov, Ngok Man' Nguen
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Modelling Li-ion batteries using equivalent circuits for renewable energy applications

Energy Reports, 2023
During the last decades, environmental policies have advanced the promotion of renewable energy sources, opening a market for smart-grids both connected and disconnected from the main electrical grid.
Sergio J. Navas +3 more
doaj +1 more source

A Parametric EIT System Spice Simulation with Phantom Equivalent Circuits

Technologies, 2020
In this paper a number of LT Spice simulations have been carried out on an Electrical Impedance Tomography (EIT) system, which includes the whole analog and digital circuitry as well as the subject to be examined (phantom model). The aim of this study is
Christos Dimas +2 more
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COMPARATIVE ANALYSIS OF METHODS OF CALCULATION AND ERRORS OF ACTIVE POWER LOSSES IN LOW VOLTAGE COMMERCIAL NETWORKS

Известия высших учебных заведений: Проблемы энергетики, 2019
The article analyzes some methods for calculating the loss of active power in lowvoltage industrial networks, taking into account the main influencing parameters.
E. I. Gracheva, R. R. Sadykov, R. R. Khusnutdinov +2 more
doaj +1 more source

Estimation Method of an Electrical Equivalent Circuit for Sonar Transducer Impedance Characteristic of Multiple Resonance

Sensors, 2023
Improving the operational efficiency and optimizing the design of sound navigation and ranging (sonar) systems require accurate electrical equivalent models within the operating frequency range.
Jejin Jang +3 more
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Equivalent realisation circuit for a class of non-ideal voltage-controlled memristors

The Journal of Engineering, 2015
In this study, an equivalent realisation circuit with off-the-shelf components and devices is proposed, which can be used to equivalently implement a class of non-ideal voltage-controlled memristors.
Saihu Pan, Pan Jiang, Bocheng Bao
doaj +1 more source

Generation Algorithms for Thévenin and Norton Equivalent Circuits

Energies
The growing complexity of electrical systems requires advanced analysis tools to optimize the design time and resources. While many circuit simulators exist, they often lack the flexibility needed for real-world applications.
Mihaela Grib +6 more
doaj +1 more source

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