Results 11 to 20 of about 1,934,364 (267)

Short-Term Photovoltaic Power Forecasting Based on VMD and ISSA-GRU

IEEE Access, 2021
Photovoltaic (PV) power generation is affected by many meteorological factors and environmental factors, which has obvious intermittent, random, and volatile characteristics.
Pengyun Jia, Haibo Zhang, Xinmiao Liu, Xianfu Gong   +3 more
doaj   +1 more source

Polymer/molecular semiconductor all-organic composites for high-temperature dielectric energy storage

Nature Communications, 2020
Dielectric polymers are widely used in electrostatic energy storage but suffer from low energy density and efficiency at elevated temperatures. Here, the authors show that all-organic composites containing high-electron-affinity molecular semiconductors ...
Chao Yuan, Yao Zhou, Yujie Zhu, Jiajie Liang, Shaojie Wang, Simin Peng, Yushu Li, Sang Cheng, Mingcong Yang, Jun Hu, Bo Zhang, Rong Zeng, Jinliang He, Qi Li   +13 more
doaj   +1 more source

Effects of liquids immersion and drying on the surface properties of HTV silicone rubber: characterisation by contact angle and surface physical morphology

High Voltage, 2019
High-temperature vulcanised (HTV) silicone rubber composite insulator has been widely used in extra-high and ultra-high transmission lines due to its excellent electrical and mechanical performance.
Yanfeng Gao, Xidong Liang, Weining Bao, Shaohua Li, Chao Wu, Yingyan Liu, Yuanji Cai   +6 more
doaj   +1 more source

Research on the Accurate Measurement and Analysis of Carbon Emissions by Carbon Real Measurement [PDF]

E3S Web of Conferences, 2023
The practice of carbon emission accurate measurement system application scenario of carbon electricity coupling and carbon real measurement is carried out, based on the carbon constraint background, the whole process of carbon production and emission is ...
Wang Hanyun, Liu Shengnan, Wang Tao, Hua Mingyu, Huang Jihua, Zhang Boda   +5 more
doaj   +1 more source

Calculation and Analysis of Carbon Emissions in the Construction Industry of Zhejiang Province [PDF]

E3S Web of Conferences, 2023
High rise buildings with large volume, high energy consumption, and high carbon emission base have become the focus of emission reduction work in public building types.
Wang Hanyun, Tan Chen, Wang Tao, Wang Shengteng, Huang Jihua, Xu Hao   +5 more
doaj   +1 more source

Influence of frequency on the surface discharge characteristics of PEEK under positive repetitive square voltage

High Voltage, 2020
In this study, the surface discharge current pulses of polyetheretherketone (PEEK) material under positive repetitive square voltage in a nitrogen atmosphere are measured.
Zhuodong Yang, Xuebao Li, Xiangrui Meng, Xiangrui Meng, Zhibin Zhao, Pengyu Fu, Bin Zhai, Bin Zhai, Xiang Cui   +8 more
doaj   +1 more source

Data-Driven Operational Risk Assessment in Renewable-Rich Power System. An Automated Probabilistic Power Flow and SCADA Data Mining Framework [PDF]

E3S Web of Conferences
The increasing penetration of variable renewable energy (VRE) introduces profound stochastic uncertainties into power systems, rendering traditional deterministic security assessments insufficient.
Nhan Luong Phu, Thao Le Thi Da, Lam Le Hong, Minh Nguyen Luong, Hieu Nguyen Huu   +4 more
doaj   +1 more source

Enhanced thermal and mechanical properties by cost-effective carboxylated nanodiamonds in poly (vinyl alcohol)

Nanocomposites, 2018
In this study, the high-energy ball-milled nanodiamonds (MNDs) are carefully treated with low-temperature annealing and mixed acids to obtain carboxylated MNDs (cMNDs). This process not only removes impurities but also grafts oxygen containing functional
Yuansai Zhang, Qingsong Hua, Jian Min Zhang, Yuling Zhao, Hang Yin, Zuoqiang Dai, Lili Zheng, Jie Tang   +7 more
doaj   +1 more source

Small-signal stability analysis for the multi-terminal VSC MVDC distribution network; a review

The Journal of Engineering, 2019
The stable operation and control of the proposed terrestrial multi-terminal Voltage Source Converter (VSC) medium voltage DC (MVDC) distribution network is a remarkable motivation towards developing the future universal DC grid interconnecting the low ...
Patrobers Simiyu, Ai Xin, Ai Xin, Girmaw T. Bitew, Muhammad Shahzad, Wang Kunyu, Peter M. Kamunyu   +6 more
doaj   +1 more source

Development of a framework for power system operational risk assessment using probabilistic power flow with SCADA data

Tạp chí Khoa học và Công nghệ
High penetration of renewable energy poses significant challenges to power system operational security. This paper presents the development of a comprehensive framework for operational risk assessment using a data-driven Probabilistic Power Flow (PPF ...
Luong Phu Nhan, Hoang Minh Ha, Le Thi Da Thao   +2 more
doaj   +1 more source