Results 11 to 20 of about 34,253 (219)

Efficient Livestock Detection in Grazing Areas Based on Enhanced Lightweight Deep Network [PDF]

open access: yesJisuanji gongcheng, 2023
Realizing big data to manage livestock requires real-time monitoring of livestock, but real-time monitoring of livestock is easily interfered by large changes in target size, lighting, environmental factors, etc., so it is difficult to detection, and ...
Yongsheng QI, Xiaoxu DU, Junfeng ZHU, Shengli GAO, Liqiang LIU
doaj   +1 more source

Changes of cross-linked network and DC electrical properties of nanocomposite silicone rubber under thermal aging

open access: yesEnergy Reports, 2022
Nano dielectrics have brought hope for solving the problem of cable insulation at high voltage levels. In this paper, nano Al2O3 and MgO are doped to silicone rubber and the nanocomposites are aged at 200 °C for 0-80 days. The electrical conductivity and
Yunxiao Zhang   +3 more
doaj   +1 more source

Probabilistic evaluation of renewable energy curtailment under forward electricity market [PDF]

open access: yesE3S Web of Conferences, 2020
Forward electricity market has emerged as a pivotal section for the electricity transaction to keep stakeholders away from price risk and electricity shortage.
Jiang Jiheng   +6 more
doaj   +1 more source

Failure warning of gearbox for wind turbine based on 3σ-median criterion and NSET

open access: yesEnergy Reports, 2021
Wind turbine has been working in the harsh environment for a long time, which leads to frequent failures. It is of great practical significance to use reasonable and efficient methods to early-warning wind turbine components. In the actual operation, due
Shaoke Wang   +3 more
doaj   +1 more source

Effect of perfluoropolyether and the micro nano structure of ZnO on anti icing performance of fluorinated organic superhydrophobicity coatings on wind turbine blade surface

open access: yesMaterials Research Express, 2021
The ice coating on the blade surface of wind turbine in winter seriously affects the operation safety and power generation efficiency of wind turbine, and anti icing and deicing is an urgent technical problem.
Zijing Zeng   +7 more
doaj   +1 more source

The model for non-Abelian field topology for the multilayer fractional quantum anomalous Hall device

open access: yesFrontiers in Physics, 2022
From the recent empirical discovery of the quantum anomalous Hall effect (QAHE), the interaction of the particle with spin–orbit coupling (SOC) plays an essential role in the cause of the QAHE, which includes three terms: external, internal, and chiral ...
Jie Shen   +8 more
doaj   +1 more source

A low leakage current (Co, Mn, Ta)-SnO2 varistor tailored by doping with chromium for power grids

open access: yesResults in Physics, 2020
A SnO2 varistor which was prospected to be used in ultra-high voltages grids as an overvoltage protection element was developed. The SnO2 varistor was doped with Cr to improve the comprehensive electrical properties. The optimal electrical parameters are
Hongfeng Zhao   +4 more
doaj   +1 more source

No-load cutting-in control of the doubly fed induction generator based on grey prediction PI control

open access: yesEnergy Reports, 2021
The traditional method of stator flux oriented PI control of the doubly fed induction wind generator (DFIG) no-load cutting-in is easy to implement under ideal conditions, but in the actual project with high frequency of wind speed change, the feedback ...
Ping Jiang, Yanjun Xing, Peiguang Wang
doaj   +1 more source

Research on Renewable Energy Equivalent Subsidy Coefficient and Investment Evaluation Model

open access: yes南方能源建设, 2021
[Introduction] With the proposal of the goal of "carbon neutrality and peak carbon dioxide emission" in China, renewable energy power generation enterprises are facing the demands of rapidly expanding the installed capacity and vigorously developing ...
FENG Wenxian   +4 more
doaj   +1 more source

Missing interpolation model for wind power data based on the improved CEEMDAN method and generative adversarial interpolation network

open access: yesGlobal Energy Interconnection, 2023
Randomness and fluctuations in wind power output may cause changes in important parameters (e.g., grid frequency and voltage), which in turn affect the stable operation of a power system.
Lingyun Zhao   +6 more
doaj   +1 more source

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