Results 41 to 50 of about 621 (173)

Optimization of Energy Efficiency in Photovoltaic Water Pumping Systems Using Neural Networks

Energy Science &Engineering, Volume 14, Issue 4, Page 2153-2181, April 2026.
This study investigates an optimal control strategy for a photovoltaic (PV) water pumping system aimed at improving efficiency and autonomy in off‐grid applications. The system uses an induction motor with direct torque control and compares three maximum power point tracking (MPPT) techniques: neural network–based MPPT, Incremental Conductance (IC ...
Sihem Ghoudelbourk, Habib Benbouhenni, Z. M. S. Elbarbary, Mohamed Benidir   +3 more
wiley   +1 more source

Weibull‐Neural Network Framework for Wind Turbine Lifetime Monitoring and Disturbance Identification

Wind Energy, Volume 29, Issue 4, April 2026.
ABSTRACT Wind turbines are vital for sustainable energy, yet their reliability under diverse operational and environmental conditions remains a challenge, often leading to costly failures. This study presents a novel Weibull‐Neural Network Framework to enhance wind turbine lifetime monitoring by estimating reliability (R(t)) and mean residual life (MRL)
Fatemeh Kiadaliry, Sadigh Raissi, Alireza Rashidi Komijan   +2 more
wiley   +1 more source

Multiterminal High‐Voltage Direct Current Projects: A Comprehensive Assessment and Future Prospects

High Voltage, Volume 11, Issue 2, Page 317-344, April 2026.
ABSTRACT Multiterminal high‐voltage direct current (MT‐HVDC) systems are an important part of modern power systems, addressing the need for bulk power delivery and efficient renewable energy integration. This paper provides a comprehensive overview of recent advances in MT‐HVDC technology, including launched projects and ongoing initiatives.
Mohammad Hossein Mousavi, Hassan Moradi, Kumars Rouzbehi, Vijay K. Sood   +3 more
wiley   +1 more source

The Diverse Behaviours of Discharged Degradation at Varied Interfaces of Silicone Gel/Ceramic Substrates Under High‐Frequency Square Wave Voltage

High Voltage, Volume 11, Issue 2, Page 522-533, April 2026.
ABSTRACT Because of the harsh serving conditions of insulated gate bipolar transistor (IGBT) packaged by silicone gel with high voltage and high frequency, it is crucial to reveal the developing characteristics and inhibiting method of discharged degradation at the interface of silicone gel/ceramic substrates.
Chuang Zhang, Xinlu Li, Hongjian Liu, Ruomeng An, Lingqi Guo, Jiaqi Liu, Shihang Wang, Shengtao Li   +7 more
wiley   +1 more source

Beyond Conventional Cooling: Advanced Micro/Nanostructures for Managing Extreme Heat Flux

Advanced Materials, Volume 38, Issue 5, 22 January 2026.
This review examines the design, application, and manufacturing of biomimetic or engineered micro/nanostructures for managing high heat‐flux in multi‐level electronics by enhancing conductive, convective, phase‐changing, and radiative heat transfer mechanisms, highlighting their potential for efficient, targeted thermal management, and future prospects.
Yuankun Zhang, Huajie Li, Yuhang Zhou, Jun Ma, Keng‐Te Lin, Han Lin, Chunsheng Guo, Baohua Jia   +7 more
wiley   +1 more source

An Aging-Degree Evaluation Method for IGBT Bond Wire with Online Multivariate Monitoring

Energies, 2019
The aging fracture of bonding wire is one of the main reasons for failure of insulated gate bipolar transistor (IGBT). This paper proposes an online monitoring method for IGBT bonding wire aging that does not interfere with the normal operation of the ...
Zilang Hu, Xinglai Ge, Dong Xie, Yichi Zhang, Bo Yao, Jian Dai, Fengbo Yang   +6 more
doaj   +1 more source

Least Squares Method for Identification of IGBT Thermal Impedance Networks Using Direct Temperature Measurements

Energies, 2020
State-of-the-art methods for determining thermal impedance networks for IGBT (Insulated Gate Bipolar Transistor) modules usually involves the establishment of the relationship between the measured transistor or diode voltage and temperature under ...
Humphrey Mokom Njawah Achiri, Vaclav Smidl, Zdenek Peroutka, Lubos Streit   +3 more
doaj   +1 more source

A four‐step control for IGBT switching improvement using an active voltage gate driver

IET Power Electronics, 2022
Gate drivers form an essential interface between the high power transistors and low voltage control circuits in power converters to govern the transistor switching operations and maintain other ancillary functions.
Chen Li, Kun Tan, Bing Ji, Zhiqiang Wang, Shuai Ding, Paul Lefley   +5 more
doaj   +1 more source

A Hybrid Ultra‐High Voltage DC Transformer With Digital Twin‐Driven Operation and Control

Digital Twins and Applications, Volume 3, Issue 1, January/December 2026.
This study introduces a digital twin‐driven hybrid ultra‐high‐voltage DC transformer (UHVDCT) that combines high‐capacity LCCs with low‐capacity MMCs at the UHV side. This innovative topology reduces MMC requirements by 32.9% while ensuring stable power flow and dynamic reactive balance through real‐time virtual‐physical synchronization.
Ling Xu, Le Zhao, Xiaohu Zhang, Hanlin Guo, Jie Fang, Zheren Zhang, Zheng Xu   +6 more
wiley   +1 more source

Impact of Virtual Inertia Frequency Regulation Control on Junction Temperature of Machine‐Side Converter in Doubly‐Fed Induction Generator

Electronics Letters, Volume 62, Issue 1, January/December 2026.
The increase of the drop coefficient and the virtual inertia coefficient will aggravate the junction temperature fluctuation, and the drop coefficient has a greater influence than the virtual inertia coefficient. ABSTRACT In this letter, we investigate the influence of virtual inertia frequency regulation control on the junction temperature of a ...
Zhou Zhiting, Li Hui, Zhen‐nan Fan
wiley   +1 more source