Results 11 to 20 of about 1,353,488 (291)

Investigation on Diffusion Mechanisms of Methanol in Paper/Oil Insulation Based on Molecular Dynamics Simulation

IEEE Access, 2021
Methanol is regarded as an available indicator to analyze the aging condition of cellulose insulation. However, the diffusion mechanism of methanol molecules in the paper-oil insulation system is still unclear, since it cannot be explored by using only ...
Xianhao Fan, Huan Zhao, Tengyue Sun, Jiefeng Liu, Yiyi Zhang, Yubo Zhang   +5 more
doaj   +1 more source

Maximum performance of piezoelectric energy harvesters when coupled to interface circuits [PDF]

, 2016
This paper presents a complete optimization of a piezoelectric vibration energy harvesting system, including a piezoelectric transducer, a power conditioning circuit with full semiconductor device models, a battery and passive components.
Elliott, ADT, Halvorsen, E, Miller, LM, Mitcheson, PD, Paprotny, I, Wright, PK   +5 more
core   +1 more source

Storage capacity allocation strategy for distribution network with distributed photovoltaic generators

Journal of Modern Power Systems and Clean Energy, 2018
Distributed photovoltaic generators (DPGs) have been integrated into the medium/low voltage distribution network widely. Due to the randomness and fluctuation of DPG, however, the distribution and direction of power flow are changed frequently on some ...
Bin LI, Xingchen LI, Xiaoqing BAI, Zhineng LI   +3 more
doaj   +1 more source

A hybrid physical-data approach for solving dynamic optimal power flow considering uncertainties and different topology configurations

Energy Reports, 2023
The security and economy of power system operation or planning are threatened by various uncertain factors, including the unpredictability of renewable energy, the variation of topology configurations, and significant load fluctuation.
Liqin Zheng, Xiaoqing Bai, Zonglong Weng, Yujing Jia   +3 more
doaj   +1 more source

Jamming Model for the Extremal Optimization Heuristic [PDF]

, 2001
Extremal Optimization, a recently introduced meta-heuristic for hard optimization problems, is analyzed on a simple model of jamming. The model is motivated first by the problem of finding lowest energy configurations for a disordered spin system on a ...
, Banavar J R, Blair D L, Boettcher S, Boettcher S, Boettcher S, Bollobas B, Cheeseman P, Desimone C, Franz S, Garey M R, Holland J, Kirkpatrick S, Mezard M, Michelangelo Grigni, Palmer R G, Rayward-Smith V J, Stefan Boettcher, Tuzel E, Viana L, Wong K Y M   +20 more
core   +1 more source

Optimal Placement of Fault Indicator and Sectionalizing Switch in Distribution Networks

IEEE Access, 2020
Distribution network automation is considered by power supply companies as an effective investment strategy to improve reliability and service quality. Switching devices and protective devices play an important role in the distribution automation system (
Bin Li, Jie Wei, Yufan Liang, Biyun Chen
doaj   +1 more source

Locating a bioenergy facility using a hybrid optimization method [PDF]

, 2010
In this paper, the optimum location of a bioenergy generation facility for district energy applications is sought. A bioenergy facility usually belongs to a wider system, therefore a holistic approach is adopted to define the location that optimizes the ...
Rentizelas, Athanasios A., Tatsiopoulos, Ilias P.   +1 more
core   +1 more source

Integrated Energy System Dispatch Optimization [PDF]

2006 IEEE International Conference on Industrial Informatics, 2006
On-site cogeneration of heat and electricity, thermal and electrical storage, and curtailing/rescheduling demand options are often cost-effective to commercial and industrial sites. This collection of equipment and responsive consumption can be viewed as an integrated energy system (IES).
Firestone, Ryan, Stadler, Michael, Marnay, Chris   +2 more
openaire   +2 more sources

Research on Predicting Line Loss Rate in Low Voltage Distribution Network Based on Gradient Boosting Decision Tree

Energies, 2019
Line loss rate plays an essential role in evaluating the economic operation of power systems. However, in a low voltage (LV) distribution network, calculating line loss rate has become more cumbersome due to poor configuration of the measuring and ...
Mengting Yao, Yun Zhu, Junjie Li, Hua Wei, Penghui He   +4 more
doaj   +1 more source

Evolution of Virtual Water Transfers in China’s Provincial Grids and Its Driving Analysis

Energies, 2020
In China, electricity transmission has increased rapidly over the past decades, and a large amount of virtual water is delivered from power generation provinces to load hubs.
Yiyi Zhang, Shengren Hou, Jiefeng Liu, Hanbo Zheng, Jiaqi Wang, Chaohai Zhang   +5 more
doaj   +1 more source