Results 31 to 40 of about 5,507 (219)

Review of synchronization control methods for grid-forming VSC-HVDC transmission systems

open access: yesZhejiang dianli
Focusing on the synchronization control of grid-forming flexible HVDC (high-voltage direct current) transmission systems, this paper first analyzes the requirements for grid-forming control in flexible HVDC systems and reviews the current application ...
LI Lanfang   +5 more
doaj   +1 more source

Stability Analysis of Grid-Forming MMC-HVDC Transmission Connected to Legacy Power Systems

open access: yesEnergies, 2021
The power system is going through a change in its very foundations. More and more power converters are being integrated into the electric grid to interface renewable energy resources and in high-voltage direct-current (HVDC) transmission systems.
Luís F. N. Lourenço   +5 more
doaj   +1 more source

The Synthesis Effects on the Performance of P2‐Na0.6Li0.27Mn0.73O2 Cathode Material for Sodium‐Ion Batteries

open access: yesBattery Energy, Volume 4, Issue 2, March 2025.
The effect of reagents on the structure and performance of sodium‐layered oxides has not yet been thoroughly studied. This work explored this factor systematically through in situ high‐temperature XRD. The samples synthesized via MnCO3‐based precursors form the Li2MnO3 phase at evaluated temperature and perform better than those through MnO2‐based ...
Cuihong Zeng   +9 more
wiley   +1 more source

An optimal allocation strategy for GFM and GFL converters considering transient voltage stability constraints

open access: yesZhejiang dianli
The hybrid grid-forming (GFM) and grid-following (GFL) converter integration systems combine the technical advantages of GFM voltage sources and GFL current sources.
LI Qun   +3 more
doaj   +1 more source

Effect of the addition of yacon flour (Smallanthus sonchifolius) and freezing on baking performance

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Yacon (Smallanthus sonchifolius), a tuber rich in fructans, presents potential for application in breadmaking due to its nutritional properties and cryoprotectant activity. The aim of this study was to evaluate the incorporation of yacon flour in bread formulations (50 g/kg and 100 g/kg on flour mixture basis) and its impact on ...
Gabriel A. Atanazio‐Silva   +4 more
wiley   +1 more source

Long‐term follow‐up and combined Phase 2 results of eprenetapopt and azacitidine in patients with TP53 mutant MDS/AML

open access: yesHemaSphere
TP53 gene mutations (mTP53) represent a distinct molecular cohort with poor outcomes. Eprenetapopt (APR‐246) is a novel, first‐in‐class small molecule that reactivates p53 and targets cellular redox balance, ultimately inducing apoptosis and ferroptosis ...
David A. Sallman   +32 more
doaj   +1 more source

Calculating the Interconnection Limit from a Comprehensive Voltage Evaluation for Distribution Systems with Large Distributed Energy Resources

open access: yesIEEJ Transactions on Electrical and Electronic Engineering, EarlyView.
Japan is pursuing power source decarbonization and is thus reducing fuel‐based thermal power generation while promoting renewable energy resource use. Given the expected power fluctuations, this transition will require novel voltage management and control methods.
Satoshi Uemura   +2 more
wiley   +1 more source

The structure of Fast-GFM. [PDF]

open access: yes
Feature enhancement plays a crucial role in improving the quality and discriminative power of features used in matching tasks. By enhancing the informative and invariant aspects of features, the matching process becomes more robust and reliable, enabling
Baozhen Qi (18446327)   +2 more
core   +1 more source

An Additional Damping Control Strategy for Grid-Forming Energy Storage to Address Low-Frequency Oscillation

open access: yesEnergies
Grid-forming (GFM) energy storage can be utilized as a backup power source for the power grid to ensure the security of the power grid. GFM energy storage can also enhance the strength of the power grid and improve its stability.
Chi Tian   +4 more
doaj   +1 more source

A Novel Digital Twin Platform for Accelerating Power Systems Restoration

open access: yesEnergy Internet, EarlyView.
Hardware Architecture Design of DT System in Laboratory. ABSTRACT With the global energy structure transforming towards the goal of net zero emissions, the penetration of an inverter‐based resource (IBR) in power systems is increasing. This transformation poses two critical challenges: the system post blackout restoration process becomes extremely ...
Yiliang Fan   +8 more
wiley   +1 more source

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