Results 101 to 110 of about 10,371,958 (212)

Low‐Voltage Pulsed GMA‐AM Application for Controlling Heat Input and Improving Deposition Quality of 309LSi Multilayered Structures

steel research international, EarlyView.
This manuscript presents a study on the effects of parameter control of low‐voltage pulsed‐GMA‐AM application for producing 309LSi multilayered build‐ups, which can simultaneously lead to reduced heat input up to 32.1%, enable pulsed‐spray transfer, provide stable depositing conditions and preserve dimensional consistency, favoring fabrication of a 114‐
Petrônio L. C. C. C. Fernandes, Guilherme G. S. Figueiredo, Ivan B. M. Picchi, Edwar A. T. López, Tiago F. A. Santos   +4 more
wiley   +1 more source

Serviceability reserves of historic reinforced concrete slabs implications for structural reuse

Structural Concrete, EarlyView.
Abstract The transition to a circular economy in the construction sector requires reliable methods to assess whether existing reinforced concrete elements can be reused in new load‐bearing structures. A central question is whether slabs designed according to historical standards also meet today's serviceability requirements.
Robin Mecka, Freek P. Bos, Oliver Fischer   +2 more
wiley   +1 more source

Quantifying the embodied‐carbon premium of RC transfer beams via automated design

Structural Concrete, EarlyView.
Abstract Transfer structures in reinforced concrete (RC) buildings enable architectural flexibility but often increase material use and embodied carbon. This study introduces an automated framework to quantify the embodied‐carbon premium associated with such systems. For each parametric configuration, two equivalent RC frames—one regular and one with a
Enrico Pinelli, David M. Ruggiero
wiley   +1 more source

Active Power Control of Full‐Scale Converter‐Based Wind Turbine Considering Turbine Angular Velocity for Short‐Term Frequency Stability in Power Systems

IEEJ Transactions on Electrical and Electronic Engineering, EarlyView.
The increasing deployment of wind turbine generators (WTs) may alter the frequency stability of power systems. Unlike traditional synchronous generators, WTs are connected to the power system through converters. Consequently, WTs cannot provide an inertia response to the power system. Nevertheless, the converters can perform rapid control.
Seonghoen Oh, Kenichi Kawabe
wiley   +1 more source

Multi-terminal HVDC voltage droop control design considering DC grid, AC grid and MMC dynamics

, 2017
In this paper, a voltage droop control tuning strategy for a four-terminal high-voltage direct current (HVDC) grid is described, considering the DC multi-terminal grid, the AC grid and the modular multilevel converter (MMC)
Gomis Bellmunt, Oriol, Sánchez Sánchez, Enric, Prieto Araujo, Eduardo   +2 more
core  

Modification and expansion of existing body condition scoring scales for rabbits (Oryctolagus cuniculus) improves inter‐rater reliability when used by experienced raters

Veterinary Record, EarlyView.
Abstract Background Reliable body condition scoring in rabbits is essential in managing healthy bodyweight. The commonly used Rabbit size‐o‐meter (RSOM) has shown poor inter‐rater reliability, particularly among inexperienced raters. This study aimed to develop a reliable, reproducible body condition scoring scale for companion rabbits across breeds ...
Mette L. Halck, Cecilie R. Skovlund, Kathrine Stenberg, Antonia V. Adji, Mia Albert, Mette H. Rasmussen, Charlotte R. Bjørnvad   +6 more
wiley   +1 more source

Energy Flows Balance of Electric‐Heating Interconnected Microgrids Under Grid‐Forming Converter Integration Based on Heterogeneous Graph Convolutional Network

Energy Internet, EarlyView.
ABSTRACT The combination of electric‐heating interconnected microgrids (EHIMs) with grid‐forming converters (GFMCs) offers a highly promising approach to improving energy management within decentralised energy systems. Despite its potential, precisely modelling and analysing energy flow in such systems remains a considerable challenge due to the ...
Ji Li, Jinduo Yang, Yang Kou, Qingyuan Zhang, Xiao Hu, Yang Gao, Fei Fei Li, Wei Le Liang, Yiyan Li, Ming Li, Lei Xu, Kepaiyitulla Tursun, Yan Qing Peng, Ying Li Huo, Yun Shan Wang, Ze Zhen Zhang   +15 more
wiley   +1 more source

Mechanism of Quasi‐Power‐Frequency Resonant Overvoltage Triggered by Multiple Lightning Strikes in High‐Voltage Alternating Current Systems Equipped With Shunt Reactor

High Voltage, EarlyView.
ABSTRACT This paper investigates the generation mechanism of quasi‐power‐frequency resonant overvoltage triggered by multiple lightning strikes in high‐voltage alternating current (HVAC) systems equipped with shunt reactors. Based on field measurements from a 500 kV AC system, equivalent and simplified circuit models have been established to analyse ...
Tao Liang, Tao Cui, Zhengxi Wang, Tongwei Guo, Xiaohui Wu, Hong Zeng, Jie Guo, Yanzhao Xie   +7 more
wiley   +1 more source

Local Search and the Evolution of World Models

Topics in Cognitive Science, EarlyView., 2023
Abstract An open question regarding how people develop their models of the world is how new candidates are generated for consideration out of infinitely many possibilities. We discuss the role that evolutionary mechanisms play in this process. Specifically, we argue that when it comes to developing a global world model, innovation is necessarily ...
Neil R. Bramley, Bonan Zhao, Tadeg Quillien, Christopher G. Lucas   +3 more
wiley   +1 more source

Voltage stability improvement of weak grids using a new cascade droop control of grid-connected converter

The voltage control loop of a virtual synchronous generator (VSG) is typically governed by a conventional reactive power-voltage droop control, which may exhibit instability when encountering disturbances or operating under weak grid conditions.
Qobad Shafiee, Hayder Hassan Abbas, Hassan Bevrani   +2 more
core   +1 more source