Results 81 to 90 of about 5,398 (215)

A New Method for Finding the Thevenin and Norton Equivalent Circuits

open access: yesEngineering, 2010
The paper presents a new pedagogical method for finding the Thevenin and Norton equivalent circuits of a linear electric circuit (LEC) at the n-different pairs of terminals simultaneously, regardless of the circuit topology and complexity. The proposed method is appropriate for undergraduate electrical and electronic engineering students leading to ...
openaire   +2 more sources

Enhancing Energy Storage Efficiency: Advances in Battery Management Systems in Electric Vehicles

open access: yesEnergy Technology, Volume 13, Issue 8, August 2025.
The rapid adoption of electric vehicles (EVs) underscores the urgent need for advanced battery management systems (BMS) to ensure safety, efficiency, and reliability. This article delves into the core functionalities of BMS, including state estimation, thermal management, and cell balancing, which are pivotal for optimizing battery performance ...
Hamid Naseem   +3 more
wiley   +1 more source

Radioisotope thermal generator (RTG) power conditioner [PDF]

open access: yes, 1974
New regulator: (a) permits operation with high-impedance radioisotope thermal generators at conversion efficiencies typically above 90%; (b) does not require input filtering; (c) eliminates current spiking; and (d) is simple, efficient, and reliable ...
Stacey, W. S.
core   +1 more source

SOC Battery Energy Storage Systems Management and Power Quality Enhancement in Mexican Microgrids Evaluated by Wind Resources: A Case Study

open access: yesEnergy Storage, Volume 7, Issue 5, August 2025.
ABSTRACT In this paper, a microgrid based on a battery energy storage system (BESS) and a wind energy conversion system (WECS) is presented; its potential is evaluated by wind fluctuations from San Fernando, Tamaulipas, Mexico, at coordinates 25.02° N and 98.09° W.
Robenson Jean   +5 more
wiley   +1 more source

Optimal power and efficiency of single quantum dot heat engines: theory and experiment

open access: yes, 2019
Quantum dots (QDs) can serve as near perfect energy filters and are therefore of significant interest for the study of thermoelectric energy conversion close to thermodynamic efficiency limits. Indeed, recent experiments in [Nat. Nano.
Josefsson, Martin   +3 more
core   +1 more source

State of Charge Estimation of a Lithium Ion Battery Based on Adaptive Kalman Filter Method for an Equivalent Circuit Model

open access: yesApplied Sciences, 2019
Due to its accuracy, simplicity, and other advantages, the Kalman filter method is one of the common algorithms to estimate the state-of-charge (SOC) of batteries. However, this method still has its shortcomings.
Xiao Ma   +3 more
doaj   +1 more source

A rapid simulation method for full-bridge sub-module MMC based on bridge arm equivalent capacitance

open access: yesZhejiang dianli
MMC (modular multilevel converter) contains a large number of switching elements, which brings a huge computational burden to the electromagnetic transient simulation.
LU Yi   +6 more
doaj   +1 more source

SOC Estimation with an Adaptive Unscented Kalman Filter Based on Model Parameter Optimization

open access: yesApplied Sciences, 2019
State of charge (SOC) estimation is generally acknowledged to be one of the most important functions of the battery management system (BMS) and is thus widely studied in academia and industry.
Xiangwei Guo   +5 more
doaj   +1 more source

Online Parameter Identification and State of Charge Estimation of Lithium-Ion Batteries Based on Forgetting Factor Recursive Least Squares and Nonlinear Kalman Filter

open access: yesEnergies, 2017
State of charge (SOC) estimation is the core of any battery management system. Most closed-loop SOC estimation algorithms are based on the equivalent circuit model with fixed parameters. However, the parameters of the equivalent circuit model will change
Bizhong Xia   +10 more
doaj   +1 more source

The design of an electric fence monitoring system : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology in Production Technology at Massey University [PDF]

open access: yes, 1996
This thesis presents the design of an Electric Fence Monitoring System (EFMS) which detects and announciates fence malfunctions indicating operational ineffectiveness. The EFMS consists of a master unit and up to sixteen slave units.
Adamson, Paul Robert
core  

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