Results 1 to 10 of about 99,016 (176)

Determination of the Thevenin equivalent in power grids using real records based on short circuit power

IET Generation, Transmission & Distribution, 2021
In recent years, methods for loadability determination based on real‐time measurements have been proposed for long‐term voltage stability scenarios. One of these methods corresponds to the reduction of the complete system into a basic Thevenin equivalent
A. Fonseca, G. Salazar, F. Quilumba, F. Pérez‐Yauli   +3 more
doaj   +2 more sources

Propose a MPPT Algorithm Based on Thevenin Equivalent Circuit for Improving Photovoltaic System Operation

Frontiers in Energy Research, 2020
Smart grids are considered as key solutions to solve current power security issues. Among these suggestions, microgrid is proposed to integrate distributed generations (DGs) such as photovoltaic (PV) system into the network and the control of DGs output ...
Binh Nam Nguyen, Van Tan Nguyen, Minh Quan Duong, Kim Hung Le, Huu Hieu Nguyen, Anh Tuan Doan   +5 more
doaj   +2 more sources

Study on Thévenin Equivalent Circuit Modeling of Zinc-Nickel Single-Flow Battery

International Journal of Electrochemical Science, 2018
Based on the working principle of a zinc–nickel single-flow battery (ZNB), an improved Thévenin equivalent circuit model is proposed in this paper. According to the experimental data of a 100-A pulsed discharge of a ZNB, the parameters of the modified ...
Shouguang Yao, PengLiao, Min Xiao, Jie Cheng, Liang Xu   +4 more
doaj   +2 more sources

Performance Analysis of a Single-Diode Photovoltaic Model Based on a Thevenin’s Equivalent Circuit

Journal of Engineering and Sustainable Development
This article proposes a linear Thevenin's equivalent circuit for a single-diode model. The Thevenin's equivalent circuit is derived based on the piecewise linearization for the nonlinear characteristic of the diode.
Ammar AL-GIZI, Abbas Hussien Miry, Hussein M. Hathal, Aurelian Craciunescu   +3 more
doaj   +2 more sources

From Sensing Mechanisms to System Co-Design: Graphene-Based Sensors and Readout Circuits. [PDF]

Adv Sci (Weinh)
This review establishes a unified PS–EQ–RF framework linking graphene sensing mechanisms, native electrical outputs, and output‐specific readout circuits. Voltage‐, current‐, resistance‐, and capacitance‐type sensing systems are systematically classified to guide architecture selection, low‐noise design, system co‐design, and practical integration ...
Zhang J, Chen M, Li G, Liu R, Wang Y, Zhao Z.   +5 more
europepmc   +2 more sources

Coupling Short-Circuit Ratio Calculation Method Based on the Source Network Load Correlation Thevenin Equivalent

Energies
The short-circuit ratio is a key index used to measure the voltage support capability of new energy grid-connected systems, which contradicts its accuracy and practicability.
Li Sun, Lingwei Kong
doaj   +2 more sources

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, Ioana-Gabriela Sirbu, Lucian Mandache, Marilena Stanculescu, Mihai Iordache, Lavinia Bobaru, Dragos Niculae   +6 more
doaj   +2 more sources

Linearization of Photovoltaic Cell Single Diode Equivalent Circuit Model Using Piecewise Linear Parallel Branches Model and Findin Fill Factor

Düzce Üniversitesi Bilim ve Teknoloji Dergisi
In this article, the linearization and analysis of the Photovoltaic (PV) cell single diode equivalent circuit model have been performed. The diode element in the PV cell equivalent circuit model is a nonlinear component.
Suleyman Adak
doaj   +2 more sources

Electromagnetic Compatibility Analysis of Quadcopter UAVs Using the Equivalent Circuit Approach

IEEE Open Journal of Antennas and Propagation, 2022
Studying the electromagnetic compatibility of an Unmanned Aerial Vehicle (UAV) using full-wave electromagnetic simulations is computationally challenging.
Mohamed Z. M. Hamdalla, Anthony N. Caruso, Ahmed M. Hassan   +2 more
doaj   +1 more source

A novel hybrid equivalent circuit model for lithium-ion battery considering nonlinear capacity effects

Energy Reports, 2021
In this paper, a novel hybrid equivalent circuit model for lithium-ion battery. The proposed equivalent circuit model of lithium-ion battery is based on Thevenin equivalent circuit model, and a state-of-charge (SOC) part is added into the model to ...
Dongdong Chen, Long Xiao, Wenduan Yan, Yinbiao Guo   +3 more
doaj   +1 more source