Results 71 to 80 of about 2,098 (266)

Wide area coordinated control for low-frequency oscillations damping in a wind-integrated power system

The Journal of Engineering, 2019
The increasing wind integration in present grids to generate clean energy escalates the problem of low-frequency oscillations (LFOs) in the system. Here, a wide area-based coordinated control strategy of power system stabilisers (PSSs) and doubly fed ...
Abhilash Kumar Gupta, Kusum Verma, Khaleequr Rehman Niazi   +2 more
doaj   +1 more source

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

Advanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao, Yiming Ma, Baihao Shao, Molly M. Stevens   +3 more
wiley   +1 more source

Enhancing the fault ride through capability of DFIG-based wind energy system using saturated core fault current limiter

The Journal of Engineering, 2019
Doubly fed induction generator (DFIG) is the most popular machine for the wind power application that consists of the ability for variable speed operation and reactive power control with the help of power electronics converters.
Prashant Mani Tripathi, Subhendu Sekhar Sahoo, Kalyan Chatterjee   +2 more
doaj   +1 more source

Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices

Advanced Science, EarlyView.
Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen, Wei Zeng, Zherui Zhao, JiYu Zhao, Ziyan Huang, Zhuo Chen, Kui Zhou, Guanglong Ding, Su‐Ting Han, Ye Zhou   +9 more
wiley   +1 more source

DESIGN METHODOLOGY OF SELF-EXCITED ASYNCHRONOUS GENERATOR

Problems of the Regional Energetics, 2012
The paper sets out the methodology of designing an asynchronous generator with capacitive self-excitation. It is known that its design is possible on the basis of serial synchronous motor with squirrel cage rotor.
Berzan V., Birladeanu A., Tirshu M.
doaj  

Predictive AI Maintenance of Distribution Oil‐Immersed Transformer via Multimodal Data Fusion: A New Dynamic Multiscale Attention CNN‐LSTM Anomaly Detection Model for Industrial Energy Management

IET Electric Power Applications
Reactive and preventive maintenance strategies have been applied to avert transformer failures and safeguard their operations. However, these approaches have limitations of high operational downtimes, over‐ and under‐maintenance issues, maintenance ...
Elvis Tamakloe, Benjamin Kommey, Jerry John Kponyo, Eric Tutu Tchao, Andrew Selasi Agbemenu, Griffith Selorm Klogo   +5 more
doaj   +1 more source

Sub-synchronous resonance mitigation by a STATCOM in doubly fed induction generator-based wind farm connected to a series-compensated transmission network

The Journal of Engineering, 2019
With the fast development of wind power generation, large-scale wind farms are connected to an electrical network which is series compensated to increase transmission capacity.
Benfeng Gao, Yunting Hu
doaj   +1 more source

Toward Flexible Printed Electronics: A Spider‐Silk‐Inspired, Strong and Tough Thermoplastic Polyamide Elastomer

Advanced Science, EarlyView.
Inspired by spider silk, a bio‐inspired polyamide elastomer with a dynamic physical cross‐linking network is developed. Mimicking the rigid β‐sheet crystals and sacrificial hydrogen bonds of silk, the material achieves an exceptional balance of strength and toughness.
Bo Yang, Liyue Zhang, Mengjing Yang, Hangzhi Guo, Zhibo Lin, Xinyu Qi, Wenjun Li, Haiyan Yan, Meng Li, Yanhui Chen, Weixing Chen, Zhenguo Liu, Wei Huang   +12 more
wiley   +1 more source

Coordinating fault ride through strategy for connection of offshore wind farms using VSC-HVDC under single polar fault

The Journal of Engineering, 2019
Bipolar VSC-HVDC scheme is one of the most feasible transmission technologies to integrate offshore wind energy source. While one pole stops by suffering even a transient fault, the other pole will block soon due to the overcurrent, then the wind ...
Siyang Ge, Kaipei Liu, Liang Qin, Xiaohong Ran, Gang Li, Qingxin Pu, Dong Liu   +6 more
doaj   +1 more source

Programmable Hydration Pathways Enable Reconfigurable Ionic Thermoelectrics for Energy Harvesting and Thermal‐Tactile Interaction

Advanced Science, EarlyView.
Programmable hydration pathways enable reconfigurable ionic thermoelectrics in polyquaternium hydrogels. By coupling microscopic solvation, mesoscale water channels, and macroscopic boundary control, hydration‐gated protonics decouples thermopower, response speed, and stability.
Zehao Zhao, Yun Shen, Dongyan Xu
wiley   +1 more source