Results 81 to 90 of about 15,904,812 (239)

Fault ride-through of doubly-fed induction generator with converter protection schemes [PDF]

open access: yes, 2008
This paper from the point view of wind farm fault ride-through (FRT) capability, discusses the performance of converter protection schemes to it. Different resistor protection methods are summarized and then a new combined protection with crowbar (CB ...
John E. Fletcher   +5 more
core   +1 more source

Impact Risk in Impact Investing: A Systematic Review of Impact Risk Drivers and Governance Responses and an Integrative Framework

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study systematically reviews impact risk in impact investing to identify its dimensions, drivers, governance responses, and interrelationships. Drawing on a qualitative thematic analysis of 56 articles published between 2011 and 2025, the review integrates previously fragmented research on impact‐related risks.
Syrus M. Islam, Claire Cui
wiley   +1 more source

Coordinated DC Fault Ride‐Through Control for a Grid‐Forming Wind‐Storage System With VSC‐HVDC Integration Under Transmission Constraints

open access: yesEngineering Reports
Due to the complexity of wind farm environments and the particularity of DC systems, fault signals may be affected by numerous factors, which can compromise the accuracy of fault detection.
Lei Chen, Qi Han
doaj   +1 more source

Evaluation of Circular Pathways for Heavy‐Duty Vehicle Batteries in Europe Using a Multi‐Method Simulation Approach

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Circular battery strategies have become of major interest focusing on material availability while increasing economic and environmental benefits. In this context of circular economy, one main challenge for automotive original equipment manufacturers is that the most profitable handling strategy along the lifecycle is unknown.
Michael Lieder   +2 more
wiley   +1 more source

Fault Current Response Modeling and Parameter Identification During High-/Low-Voltage Ride-Through Based on Adaptive Nonlinear Compensation

open access: yesEnergies
To address the difficulty in accurately characterizing the fault current response of renewable energy grid-connected devices during high-/low-voltage ride-through, this paper proposes a fault current response modeling and parameter identification method ...
Jiayang Zhou   +5 more
doaj   +1 more source

Riding on a Pegasus: Is ‘Sustainability’ Still a Myth in Bangladesh's RMG Sector?

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Although a growing number of studies explore sustainability, the role of stakeholders and institutions in shaping environmental sustainability initiatives remains overlooked particularly from the upstream fashion supply chain contexts. Drawing upon the framework proposed by Lee, our study aims to fill this gap by examining the interplay ...
Taposh Kumar Roy   +3 more
wiley   +1 more source

Evaluating a Hybrid Circuit Topology for Fault-Ride through in DFIG-Based Wind Turbines. [PDF]

open access: yesSensors (Basel), 2022
Saeed S   +5 more
europepmc   +1 more source

Comparison of fault-ride-through capability of dual and single-rotor wind turbines

open access: yes, 2012
The majority of wind turbines currently in operation have the conventional concept design. That is a single-rotor wind turbine (SRWT) which is connected through spur gearbox to a generator.
N Hosseinzadeh (9887459)   +2 more
core  

Fault Ride Through Capability Enhancement of Grid-Connected Fuel Cell System by SDBR

open access: yes, 2018
To meet the national grid operational requirements, the fuel cells distributed generation (DG) system must be connected to the grid through some control devices to maintain the fault ride through capability during the fault.
Alnajjar, Sami D., Ali, Mohd Hasan
core   +1 more source

Improving low voltage ride-through using super capacitor at the DC link of Doubly-Fed Induction Generator based wind turbine [PDF]

open access: yes, 2015
This paper presents a simple methodology to improve the low voltage ride-through (LVRT) capability of Doubly Fed Induction Generator (DFIG) based wind turbines in order to ride through higher voltage sags and durations.
Ahmed M. A. Haidar   +6 more
core   +1 more source

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