Results 101 to 110 of about 10,020 (213)

Online assessment of short-term voltage stability based on hybrid model and data-driven approach

International Journal of Electrical Power & Energy Systems
With the continuously increasing integration of renewable energy sources into power grids, the dynamic response of a power system is becoming more complex.
Guowei Cai, Zhichong Cao, Cheng Liu, Hao Yang, Yi Cheng, Vladimir Terzija   +5 more
doaj   +1 more source

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

, 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, Leijnse, Martin, Linke, Heiner, Svilans, Artis   +3 more
core   +1 more source

Comparison of Lithium-Ion Battery Models for Simulating Storage Systems in Distributed Power Generation

Inventions, 2019
Lithium-ion batteries are well known in numerous commercial applications. Using accurate and efficient models, system designers can predict the behavior of batteries and optimize the associated performance management.
Hartmut Hinz
doaj   +1 more source

Li-NMC Batteries Model Evaluation with Experimental Data for Electric Vehicle Application

Batteries, 2018
The aim of the paper is to present the battery equivalent circuit for electric vehicle application. Moreover, the model described below is dedicated to lithium-ion types of batteries. The purpose of this paper is to introduce an efficient and transparent
Aleksandra Baczyńska, Waldemar Niewiadomski, Ana Gonçalves, Paulo Almeida, Ricardo Luís   +4 more
doaj   +1 more source

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

Zhejiang 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, WU Junjian, QIU Peng, CHEN Qian, HUANG Xiaoming, XU Kehan, XU Zheng   +6 more
doaj   +1 more source

Enabling Model-Based LTI for Large-Scale Power System Security Monitoring and Enhancement With Graph-Computing-Based Power Flow Calculation

IEEE Access, 2019
The voltage stability is an essential security concern when a system is operating in peak load hours or subjected to an N-1 contingency. Among various voltage stability indices, Local Thevenin Index (LTI) has been a popular one, but mostly applied to the
Qingxin Shi, Chen Yuan, Wei Feng, Guangyi Liu, Renchang Dai, Zhiwei Wang, Fangxing Li   +6 more
doaj   +1 more source

Stability of nonlinear load electric arc furnaces in the presence of reactive power sources [PDF]

Journal of Intelligent Procedures in Electrical Technology, 2014
This paper first discusses about Electric arc.the model used in this paper is a dynamic model shown with a differential equation. Then, this model is placed with power system model which is considered as a thevenin equivalent model,and whole dynamical ...
Pegah Sagha, Bahador Fani
doaj  

Coupled Electro-Thermal-Aging Battery Pack Modeling—Part 1: Cell Level

Batteries
This paper presents a modeling approach to capture the coupled effects of electrical–thermal aging in Li-ion batteries at the cell level. The proposed semi-empirical method allows for a relatively high accuracy and low computational cost compared to ...
Hadi Pasdarshahri, Émile Veilleux, William Mooney, Luc G. Fréchette, François Grondin, David Rancourt   +5 more
doaj   +1 more source

Battery-SOC Estimation for Hybrid-Power UAVs Using Fast-OCV Curve with Unscented Kalman Filters. [PDF]

Sensors (Basel), 2023
He Z, Martín Gómez D, de la Escalera Hueso A, Flores Peña P, Lu X, Armingol Moreno JM.   +5 more
europepmc   +1 more source

Simulation and optimization of rectenna systems. [PDF]

Sci Rep, 2023
Olaimat MM, Nayyeri V, Ramahi OM.
europepmc   +1 more source