Results 271 to 280 of about 277,270 (358)

Living well? The unintended consequences of highly popular commercial fitness apps through social listening using Machine-Assisted Topic Analysis: Evidence from X. [PDF]

Br J Health Psychol
Sheen F, Porter L, Papakonstantinou T, Ceka M, Bondaronek P.   +4 more
europepmc   +1 more source

Development and Validation of the High-Voltage Direct-Current Modular Multilevel Converter (HVDC-MMC) Model for Converter Transformer Protection Studies. [PDF]

Sensors (Basel)
Solak K, Rebizant W, Mieske F.
europepmc   +1 more source

Advances and Challenges in the Hunting Instability Diagnosis of High-Speed Trains. [PDF]

Sensors (Basel)
Liang J, Sun J, Jiang Y, Pan W, Jiao W.
europepmc   +1 more source

A system on the brink. [PDF]

CMAJ
Langer M.
europepmc   +1 more source

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Grid-Forming Nature Retaining Fault Ride-Through Control

2023 IEEE Applied Power Electronics Conference and Exposition (APEC), 2023
A ride-through controller is proposed to enable inverter based resources (IBRs) to retain grid-forming (GFM) nature under current-constrained operation, such as faults or overload conditions.
M A Awal, Md Rifat Kaisar Rachi, Hui Yu, Stefan Schröder, Jorg Dannehl, Iqbal Husain   +5 more
openaire   +2 more sources

Fault Ride-Through for PMVG-Based Wind Turbine System Using Coordinated Active and Reactive Power Control Strategy

IEEE transactions on industrial electronics (1982. Print), 2023
This article investigates a fault ride-through capability for grid-connected permanent magnet vernier generator (PMVG)-based wind turbine system (WTS) using coordinated active and reactive power control strategy.
Kumarasamy Palanimuthu, Ganesh Mayilsamy, S. Lee, Sang-Yong Jung, Y. Joo   +4 more
semanticscholar   +1 more source

Active Energy Control for Enhancing AC Fault Ride-Through Capability of MMC-HVDC Connected With Offshore Wind Farms

IEEE Transactions on Power Systems, 2023
Modular Multilevel Converter based High Voltage Direct Current (MMC-HVDC) connected with offshore wind farms could suffer serious challenge: surplus power of MMC-HVDC caused by AC fault in onshore power grid. This paper proposes an active energy control (
Hongyu Zhou, W. Yao, Meng Zhou, X. Ai, J. Wen, Shi-jie Cheng   +5 more
semanticscholar   +1 more source

Unified Dynamic Equivalent Model for Distributed Photovoltaic Generation Systems With Different Fault-Ride-Through Strategies

IEEE Transactions on Sustainable Energy, 2023
The grid penetration of distributed photovoltaic (DPV) energy is increasing; therefore producing equivalent models of DPV systems is critical for the dynamic analysis of power systems.
Zhe Zhang, S. Liao, Yuanzhan Sun, Jian Xu, D. Ke, Bo Wang, Rui Chen   +6 more
semanticscholar   +1 more source

Research on MMC Improved Sub-Module Topology With DC Fault Ride-Through and Negative Level Output Capability

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2023
Modular multilevel converter (MMC) is a modern and preferred topology among the voltage source converters (VSCs) in high voltage direct current (HVdc) transmission.
Yiqi Liu, Zhaoyu Duan, Qichao Chen, Mingfei Ban, Zhenjie Li   +4 more
semanticscholar   +1 more source