Results 21 to 30 of about 1,250,916 (295)

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

open access: yesIEEE 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

Modelling Li-ion batteries using equivalent circuits for renewable energy applications

open access: yesEnergy 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

Checking equivalence of quantum circuits and states [PDF]

open access: yes2007 IEEE/ACM International Conference on Computer-Aided Design, 2007
Quantum computing promises exponential speed-ups for important simulation and optimization problems. It also poses new CAD problems that are similar to, but more challenging, than the related problems in classical (non-quantum) CAD, such as determining if two states or circuits are functionally equivalent. While differences in classical states are easy
George F. Viamontes   +2 more
openaire   +3 more sources

An efficient numerical algorithm for the transient analysis of high-frequency non-linear circuits [PDF]

open access: yes, 2002
The paper proposes a new approach for the discrete-time integration of non-linear differential equations that describe the behaviour of high-frequency circuits, in particular those containing complex equivalent-circuit models of microwave transistor ...
Condon, Marissa   +5 more
core   +2 more sources

COMPARATIVE ANALYSIS OF METHODS OF CALCULATION AND ERRORS OF ACTIVE POWER LOSSES IN LOW VOLTAGE COMMERCIAL NETWORKS

open access: yesИзвестия 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   +2 more
doaj   +1 more source

A Parametric EIT System Spice Simulation with Phantom Equivalent Circuits

open access: yesTechnologies, 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
doaj   +1 more source

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

open access: yesSensors, 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
doaj   +1 more source

A supercapacitor based enhancement technique for stand-alone surge protection circuits [PDF]

open access: yes, 2013
With the International Technology Roadmap for Semiconductors predicting below-25nm feature-size VLSIs, powered by DC power supplies of less than 1V, protection against transients has become mandatory for modern electronic systems.
Kularatna, Nihal   +3 more
core   +1 more source

A discrete-time equivalent system approach to the periodic response of nonlinear autonomous circuits [PDF]

open access: yes, 1994
The problem of computing the steady state response of nonlinear autonomous circuits is solved making use of a discrete-time equivalent system approach.
Palà Schönwälder, Pere   +1 more
core   +1 more source

Delay-line stabilized microwave oscillator with frequency control [PDF]

open access: yes, 1997
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The technique whereby the frequency of an oscillator is stabilized using an external feedback network incorporating a delay-line is extended in this thesis ...
Free, Charles Edward
core   +7 more sources

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