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   Articles with "equivalent model" as a keyword



Equivalent model construction for a non-linear dynamic system based on an element-wise stiffness evaluation procedure and reduced analysis of the equivalent system

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recommendations! Published in 2017 at "Computational Mechanics"

DOI: 10.1007/s00466-017-1435-y

Abstract: In most non-linear analyses, the construction of a system matrix uses a large amount of computation time, comparable to the computation time required by the solving process. If the process for computing non-linear internal force… read more here.

Keywords: equivalent model; system; stiffness evaluation; construction ... See more keywords

Transfer function based equivalent modeling method for wind farm

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recommendations! Published in 2018 at "Journal of Modern Power Systems and Clean Energy"

DOI: 10.1007/s40565-018-0410-8

Abstract: To effectively study the dynamics of power systems with large-scale wind farms (WFs), an equivalent model needs to be developed. It is well known that back-to-back converters and their controllers are important for the dynamic… read more here.

Keywords: modeling method; equivalent model; equivalent modeling; based equivalent ... See more keywords

Robustness and adaptability analysis for equivalent model of doubly fed induction generator wind farm using measured data

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recommendations! Published in 2020 at "Applied Energy"

DOI: 10.1016/j.apenergy.2019.114362

Abstract: Abstract As many large wind farms connected to the power grid, it is necessary to develop a robust and adaptable dynamic equivalent model of the wind farm for system analysis and control. In this paper,… read more here.

Keywords: equivalent model; wind farm; analysis; model ... See more keywords
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An equivalent model of a nonlinear bolted flange joint

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recommendations! Published in 2021 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2020.107507

Abstract: Abstract The dynamic response of individual components in an assembled structure shows high accuracy compared to experimental measurements of the system response. However, when it comes to assemblies, the conventional linear approaches fail to deliver… read more here.

Keywords: equivalent model; response; assembled structure; model ... See more keywords

Dynamic equivalent model of doubly fed wind farm during electromagnetic transient process

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recommendations! Published in 2017 at "Iet Renewable Power Generation"

DOI: 10.1049/iet-rpg.2016.0284

Abstract: The dynamic processes of a power system during grid fault are being changed by the large-scale applications of wind generation. The transient characteristics of a single doubly fed induction generator (DFIG) have been widely researched.… read more here.

Keywords: equivalent model; wind farm; farm; doubly fed ... See more keywords
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Five-phase sphere equivalent model of recycled concrete and numerical simulation based on the base force element method

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recommendations! Published in 2020 at "Engineering Computations"

DOI: 10.1108/ec-08-2019-0352

Abstract: Purpose This paper aims to propose the five-phase sphere equivalent model of recycled concrete, which can be used to deduce the theoretical formulas for the Poisson’s ratio and effective elastic modulus. Design/methodology/approach At a mesoscopic… read more here.

Keywords: equivalent model; sphere equivalent; element method; phase sphere ... See more keywords

A Dynamic Equivalent Model for DFIG-Based Wind Farms

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recommendations! Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2918359

Abstract: With the increasing scale of wind farms, the fault characteristics tend to be complex, which poses a technical challenge to establish the dynamic equivalent model of wind farms. In this paper, a dynamic equivalent method… read more here.

Keywords: equivalent model; dfig based; wind farms; dynamic equivalent ... See more keywords

Universal Equivalent Model for Real-Time CPU/FPGA Co-Simulation of Hybrid Cascaded Multilevel Converters

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recommendations! Published in 2023 at "IEEE Access"

DOI: 10.1109/access.2023.3235272

Abstract: Real-time simulation is important for ensuring the reliable operation of VSC-HVDC converters in power grids, particularly through the use of rapid control prototyping (RCP) and hardware-in-the-loop (HIL) based converter controllers. While real-time simulation is a… read more here.

Keywords: time; multilevel converters; real time; equivalent model ... See more keywords

Equivalent Model Built with Limited Information: Predicting Installed Performance of Slotted Waveguide Antennas

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recommendations! Published in 2018 at "IEEE Antennas and Propagation Magazine"

DOI: 10.1109/map.2018.2859163

Abstract: An equivalent model of slotted waveguide antennas (SWAs) is proposed for predicting the installed performance of an SWA whose detailed structure is difficult to obtain. The equivalent model is built with phaseless far-field (FF) information… read more here.

Keywords: equivalent model; information; installed performance; model ... See more keywords

Mesh-Network Equivalent Model for Unified Rectangular Microstrip Antenna Analysis

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recommendations! Published in 2020 at "IEEE Transactions on Microwave Theory and Techniques"

DOI: 10.1109/tmtt.2020.3031589

Abstract: A generalized mesh-network equivalent model for a microstrip rectangular patch antenna (RPA), which is simple yet efficient is proposed, studied, and demonstrated in this article. The mesh-network equivalent model is established through the segmentation of… read more here.

Keywords: network equivalent; equivalent model; model; mesh network ... See more keywords

Dynamic Equivalents of Active Distribution Networks Considering IBDG Transient Characteristics

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recommendations! Published in 2024 at "IEEE Transactions on Sustainable Energy"

DOI: 10.1109/tste.2024.3410289

Abstract: In modern power systems, Inverter-Based Distributed Generators (IBDGs) are rapidly increasing. Their aggregated effects alter the dynamic characteristics of the active distribution network (ADN). However, the typical model of ADNs does not consider the transient… read more here.

Keywords: transient characteristics; equivalent model; active distribution; model ... See more keywords