Results 1 to 10 of about 11,444 (50)

Quality Analysis of Photovoltaic System Using Descriptive Statistics of Power Performance Index

open access: yesIEEE Access, 2023
The performance evaluation (PE) of the Photovoltaic(PV) system is an index representing the efficiency and reliability of the system. Most PE indicators evaluate the ratio of theoretically calculated power generation to actually measured power generation.
Gyu Gwang Kim   +5 more
doaj   +1 more source

SOC estimation of lithium-ion battery based on AEKF

open access: yesDianzi Jishu Yingyong, 2023
Aiming at the problem that the noise information is fixed when the extended Kalman filter(EKF) algorithm estimates the state of charge(SOC) of lithium-ion battery, resulting in low estimation accuracy, an adaptive extended Kalman filter(AEKF) algorithm ...
Wang Xiang   +4 more
doaj   +1 more source

Analysis of Comprehensive Influence of Main Circuit Parameters on DC Short Circuit Fault Current of MMC-HVDC Grid

open access: yesZhongguo dianli, 2021
Due to the complexity of the modular multilevel converter based high voltage direct current (MMC-HVDC) grids, it is difficult to build an accurate analytical model for analysis of direct fault currents.
Min YUAN   +3 more
doaj   +1 more source

An online identification method for establishing a microgrid equivalent model based on the hybrid particle swarm optimization butterfly algorithm

open access: yesEnergy Science & Engineering, 2023
The frequency response model of a microgrid system is an indispensable tool for designing secondary frequency controllers and analyzing system frequency stability. Owing to the complexity of a microgrid system structure, time‐varying operation state, and
Shi Yong   +3 more
doaj   +1 more source

Study on Heat Loss Factors of Parabolic Trough Solar Collectors

open access: yes发电技术, 2023
Combining solar thermal electricity technology with distributed energy system is conducive to increasing the proportion of renewable energy in the energy consumption structure.
XU Li   +3 more
doaj   +1 more source

Return of Interest Planning for Photovoltaics Connected with Energy Storage System by Considering Maximum Power Demand

open access: yesApplied Sciences, 2020
In this study, a general building of medium size with an Energy Storage Systems (ESS)-connected Photovoltaic (PV) system (energy storage system that is connected to a photovoltaic system) was chosen to develop a tool for a better economic evaluation of ...
Sung-Soo Kim   +7 more
doaj   +1 more source

Tunnel Oxide Deposition Techniques and Their Parametric Influence on Nano-Scaled SiOx Layer of TOPCon Solar Cell: A Review

open access: yesEnergies, 2022
In addition to the different technologies of silicon solar cells in crystalline form, TOPCon solar cells have an exceptionally great efficiency of 26%, accomplished by the manufacturing scale technique for industrialization, and have inordinate cell ...
Hasnain Yousuf   +7 more
doaj   +1 more source

Research on Multi-Scenario Variable Parameter Energy Management Strategy of Rural Community Microgrid

open access: yesApplied Sciences, 2020
Many rural communities in western China use renewable energy-based clean energy supply methods, and the community microgrid system of “photovoltaic + energy storage + electric heating” has been widely used. However, the energy management effect of such a
Lidong Guo   +3 more
doaj   +1 more source

Study on the Relationship between BO–LID and LeTID in Czochralski-Grown Monocrystalline Silicon

open access: yesEnergies, 2020
Most research about Light and elevated Temperature Induced Degradation (LeTID) is focused on multicrystalline silicon (mc-Si). In this work, the degradation kinetics of Czochralski-grown monocrystalline silicon (Cz-Si) induced by light at an elevated ...
Hailing Li   +6 more
doaj   +1 more source

Establishment, Validation, and Application of a Comprehensive Thermal Hydraulic Model for a Parabolic Trough Solar Field

open access: yesEnergies, 2019
To better understand the thermal hydraulic characteristics of the parabolic trough solar field (PTSF), a comprehensive thermal hydraulic model (CTHM) based on a pilot plant is developed in this paper.
Linrui Ma   +3 more
doaj   +1 more source

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