Results 31 to 40 of about 60,225 (279)

Power quality improvement by pre-computed modulated field current for synchronous generators [PDF]

open access: yes, 2017
Although power quality aspects of electrical machines have been extensively studied and investigated for a large number of years, room for improvement still exists in the field of classic, wound-field, synchronous generators.
Costabeber, Alessandro   +3 more
core   +1 more source

Multistability of synchronous modes in a multimachine power grid with a common load and their global and non-local stability [PDF]

open access: yesИзвестия высших учебных заведений: Прикладная нелинейная динамика
The purpose of this work is studying the dynamics of the power grid consisting of an arbitrary number of synchronous generators supplying a common passive linear load.
Khramenkov, Vladislav Anatolevich   +2 more
doaj   +1 more source

Analysis and Design of Inertia for Grid-Tied Electric Vehicle Chargers Operating as Virtual Synchronous Machines

open access: yesApplied Sciences, 2022
Renewable energy resources (RES), e.g., solar photovoltaic (PV), wind energy, and electric vehicles (EVs) are extensively integrated into modern power electronics-based power systems due to their sustainable and environmentally friendly features.
Chenming Liu, Jingyang Fang
doaj   +1 more source

Generalized synchronization onset [PDF]

open access: yesEurophysics Letters (EPL), 2005
The behavior of two unidirectionally coupled chaotic oscillators near the generalized synchronization onset has been considered. The character of the boundaries of the generalized synchronization regime has been explained by means of the modified ...
Hramov, A. E.   +2 more
openaire   +2 more sources

Generalized measure of quantum synchronization [PDF]

open access: yesPhysical Review Research, 2020
We present a generalized information-theoretic measure of synchronization in quantum systems. This measure is applicable to dynamics of anharmonic oscillators, few-level atoms, and coupled oscillator networks. Furthermore, the new measure allows us to discuss synchronization of disparate physical systems such as coupled hybrid quantum systems and ...
Noufal Jaseem   +5 more
openaire   +4 more sources

Research on pre-synchronization control strategy of the micro-grid with multi-VSG

open access: yesGlobal Energy Interconnection, 2018
Seamless switching is an important guarantee for the inverter to work continuously without stopping when grid-connected power generation system is the transient process from grid-connected to isolated island and from isolated island reclosing.
Tao Yan   +6 more
doaj   +1 more source

A Step-by-Step Procedure to Perform Preliminary Designs of Salient-Pole Synchronous Generators

open access: yesEnergies, 2021
This paper presents a straightforward step-by-step procedure to design salient-pole synchronous generators, starting with its main specifications and finishing with all necessary data to put it on production.
Thiago de Paula Machado Bazzo   +2 more
doaj   +1 more source

Impact of hybrid renewable energy systems on short circuit levels in distribution networks [PDF]

open access: yes, 2014
The effects of the distributed generation can be classified as environmental, technical and economical effects. It is playing a very vital role for improving the voltage profiles in electrical power systems.
Afifi, SN, Darwish, MK
core   +1 more source

Design, Control and Automation of MHPP - An Experimental Setup

open access: yesGazi Üniversitesi Fen Bilimleri Dergisi, 2022
In this paper the design, manufacturing and automation of a micro hydroelectric power plant (MHPP) prototype has been carried out. The experimental setup consists of three 1 kW synchronous generators (SGs) working in synchronization with each other and ...
Fatih Mehmet ULU
doaj   +1 more source

Frequency support characteristics of grid-interactive power converters based on the synchronous power controller [PDF]

open access: yes, 2016
Grid-interactive converters with primary frequency control and inertia emulation have emerged and are promising for future renewable generation plants because of the contribution in power system stabilization.
Remón Rodríguez, Daniel   +2 more
core   +2 more sources

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