Results 11 to 20 of about 272,943 (346)

Calculation and Analysis of Rotor Thermal Static Field for Inter-Turn Short Circuit of Large Hydro-Generator Excitation Winding

open access: yesEnergies, 2019
Rotor winding inter-turn short circuit a common fault in hydro-generators. This fault would change the temperature, stress, and other thermal fields of a rotor and threaten the safe operation of the generator.
Junqing Li, Luo Wang
doaj   +2 more sources

The Design and Optimization of a Novel Hybrid Excitation Generator for Vehicles

open access: yesWorld Electric Vehicle Journal
Silicon rectifier generators, which are single-excitation generators, are commonly used in vehicles. However, a traditional single-excitation generator cannot satisfy the requirements of modern vehicles due to its low efficiency, high failure rate and ...
Jianwei Ma   +5 more
doaj   +2 more sources

An improved design for virtual synchronous generator control loop based on synergy theory

open access: yesAIP Advances
Virtual synchronous generator (VSG) technology has achieved some results in distributed generation networks and enhanced system stability. For problems that may occur in the system due to ignoring parameter linkages, this paper designs a synergistic ...
Fangfang Wang   +3 more
doaj   +2 more sources

Circuit Complexity From Supersymmetric Quantum Field Theory With Morse Function [PDF]

open access: yesSymmetry, 2021
Computation of circuit complexity has gained much attention in the theoretical physics community in recent times, to gain insights into the chaotic features and random fluctuations of fields in the quantum regime.
S. Choudhury   +2 more
semanticscholar   +1 more source

Tracing Power With Circuit Theory

open access: yesIEEE Transactions on Smart Grid, 2020
Power tracing is the task of disaggregating the power injection of a generator (or a load) into a sum of constituent components that can unambiguously be attributed to loads (generators) and losses.
Y. Chen, S. Dhople
semanticscholar   +1 more source

A 3.3 Gbps SPAD-Based Quantum Random Number Generator [PDF]

open access: yesarXiv.org, 2022
Quantum random number generators are a burgeoning technology used for a variety of applications, including modern security and encryption systems. Typical methods exploit an entropy source combined with an extraction or bit generation circuit in order to
P. Keshavarzian   +11 more
semanticscholar   +1 more source

Design and Testing of a Low-Tech DEW Generator for Determining Electromagnetic Immunity of Standard Electronic Circuits

open access: yesEnergies, 2021
This article describes the effect of high-power electromagnetic environments (HPEMs) on the operation of all basic elements of electrical power networks. Frequency bands are defined for the HPEM environments. Attention is focused particularly on directed
Libor Dražan   +2 more
doaj   +1 more source

A general waveguide circuit theory

open access: yesJournal of Research of the National Institute of Standards and Technology, 1992
This work generalizes and extends the classical circuit theory of electromagnetic waveguides. Unlike the conventional theory, the present formulation applies to all waveguides composed of linear, isotropic material, even those involving lossy conductors and hybrid mode fields, in a fully rigorous way.
Marks, Roger B., Williams, Dylan F.
openaire   +2 more sources

Employment of electric torch discharge and a steam-gas generator in surface schooping of materials [PDF]

open access: yesРадиофизика и электроника, 2020
Subject and Purpose. The present paper is concerned with the method of surface schooping of materials using high-frequency torch discharge (HFTD) and glycerol vapor as a base for dissolving activating additives to the working gas. To approach the problem,
A.O. Puzanov
doaj   +1 more source

Detailed mathematical and simulation model of a synchronous generator

open access: yesJournal of Energy - Energija, 2022
Synchronous generator theory has been known since the beginning of its use, but the modelling and analysis of synchronous generators is still very existent in the present-day.
M. Brezovec, I. Kuzle, M. Krpan
semanticscholar   +1 more source

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