Results 81 to 90 of about 9,610 (304)

Sequence Impedance Modeling and Stability Analysis of dVOC-Based Grid-Forming Inverters with Different Inner-Loop Control Structures

Energies
To elucidate the stability mechanisms of grid-forming (GFM) inverters governed by dispatchable virtual oscillator control (dVOC), this paper develops a comprehensive sequence-impedance modeling and stability analysis framework for dVOC-based GFM ...
Jiwei Cui, Guobin Jin
doaj   +1 more source

Control strategy for grid-connected solar inverters

, 2021
As an essential interface between the photovoltaic (PV) panels and the utility grid, solar PV inverters are responsible for converting intermittent solar energy to meet the utility grid requirement, where the inverter output should be synchronized with ...
Tang, Zhongting; id_orcid, Yang, Yongheng; id_orcid, Zhongting Tang, Yongheng Yang   +3 more
core   +1 more source

A Survey of Interlayer Interaction Models for Graphene and Other 2D Materials

Advanced Materials Interfaces, EarlyView.
Van der Waals interactions arising from electronic polarization at atomically close interfaces generate corrugated interlayer energy landscapes that govern normal and tangential tractions. This review presents an overview of quantum, atomistic, analytical, and continuum modeling approaches, highlighting their roles across length scales in capturing ...
Gourav Yadav, Shakti S. Gupta, Roger A. Sauer   +2 more
wiley   +1 more source

PLL-Free Approach: Reactive Power-Based Synchronization in Grid-Following Inverters

IEEE Transactions on Energy Conversion
The rapid growth in inverter-based resource penetration is leading to the widespread integration of grid-following and grid-forming inverters within ac grids. Despite their distinct operational characteristics, these two inverter modes share fundamental similarities, motivating joint investigations into their attributes.
Zehua Tang, Tao Hu, Grazia Todeschini
openaire   +2 more sources

Femtosecond‐Laser Mould Texturing Enables Tunable Biointerfaces in COC Microfluidics

Advanced Materials Interfaces, EarlyView.
Femtosecond‐laser texturing of injection‐mould inserts enables scalable engineering of biointerfaces in cyclic olefin copolymer microfluidics. Replicated micro‐ and nano‐topographies modulate surface roughness and wettability, leading to texture‐dependent protein adsorption and cell adhesion without chemical post‐processing.
Irene Varela‐Leniz, Nora Larreategi, Laura Gemini, Taieb Bakouche, Florent Husson, Leire Gartzia‐Rivero, Eider Bilbao Castellanos, Ane Miren Zaldua, José Luis Vilas‐Vilela, Leire Etxeberria   +9 more
wiley   +1 more source

Stability analysis and seamless mode transition for a hybrid battery formation and grading testing system

International Journal of Electrical Power & Energy Systems
The battery formation and grading testing system (BFGTS) is core equipment for battery activation, performance testing, and grading process. The grid-forming (GFM) inverters emerge as the promising solution for BFGTS to address instability issues induced
Di Xie, Longyun Kang, Jigang Yao, Liangliang Wang, Xiangzhen Yang, Zhipeng Yu, Pengpeng Zhou   +6 more
doaj   +1 more source

Grid Tie Inverter in Photovoltaic System for Residential Application

, 2010
This paper presents a grid tie inverter (GTI) in photovoltaic, PV system for residential application. The proposed GTI will be switched with a combination switching strategy of square wave and the sinusoidal pulse width modulation, SPWM.
Tan, kheng kwang
core  

Recent Advances of Slip Sensors for Smart Robotics

Advanced Materials Technologies, EarlyView.
This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang, Liao Wu, Shuai He, Zhao Sha, Yuwan Huang, Shuying Wu, Dewei Chu, Chun H. Wang, Shuhua Peng   +8 more
wiley   +1 more source

Sequence Impedance Modeling and Stability Analysis of LCL Grid-Following Inverters Considering Frequency Coupling

Kongzhi Yu Xinxi Jishu
In recent years, electric power systems with a high penetration of grid-connected renewable sources have frequently experienced wide-frequency oscillation incidents, resulting in severe consequences such as grid disconnection of renewable sources and ...
ZHAO Huimin, MEI Wenqing, ZHANG Zhixue, HU Liang, HE Xi   +4 more
doaj  

Real-time simulation comparison of the impact of inertia on grid following and grid forming inverter IGBT lifetime

Results in Engineering
This study examines the thermal effects on Insulated Gate Bipolar Transistors (IGBTs) in Grid-Following (GFL) and Grid-Forming (GFM) inverters under Virtual Synchronous Generator (VSG) inertia control.
Sunjoh Christian Verbe, Keigo Higashiura, Md. Amit Hasan, Ryuto Shigenobu, Akiko Takahashi, Masakazu Ito, Hisao Taoka   +6 more
doaj   +1 more source