Results 21 to 30 of about 1,001,875 (303)
Predicting Photovoltaic Module Lifespan Based on Combined Stress Tests and Latent Heat Analysis
In this study, long-term reliability tests for high-power-density photovoltaic (PV) modules were introduced and analyzed in accordance with IEC 61215 and light-combined damp heat cycles, such as DIN 75220.
Woojun Nam +5 more
doaj +1 more source
There has been increased usage of modular multilevel converters (MMCs) in the medium-voltage traction drives for increased efficiency and reduced switching losses.
Ke Shen +3 more
doaj +1 more source
Modeling and Evaluation of SiC Inverters for EV Applications
In this paper, the efficiency benefits of adopting Silicon–Carbide devices for electric vehicle applications are studied. A hybrid time and frequency domain-based simulation tool is developed for the Silicon–Carbide (SiC) traction inverter modeling.
Hui Su +5 more
doaj +1 more source
With the development of power modules for high voltage, high temperature, and high power density, their size is becoming smaller, and the packaging insulation experiences higher electrical, thermal, and mechanical stress.
Wenyi Li, Yalin Wang, Yi Ding, Yi Yin
doaj +1 more source
A Simple and Non-Destructive Method to Measure Per-Terminal Baseplate Coupling of Power Modules
The fast slew rates of wide bandgap semiconductors can produce common-mode currents that flow through the baseplates of multi-chip power modules. These currents increase the electromagnetic signature of these devices and force designers to reduce edge ...
Brian T. DeBoi +2 more
doaj +1 more source
HEAT PUMP AND AIR CONDITIONING GRADING SYSTEMS AND METHODS [PDF]
An expectation module determines an expected average power consumption of a heat pump for a predetermined period as a function of indoor and outdoor temperatures of the building during the predetermined period.
Alsaleem, Fadi Mohammad
core +1 more source
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Organoids in pediatric cancer research
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley +1 more source
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho +3 more
wiley +1 more source
Power modules can occasionally be exposed to brief power peaks, causing overheating and premature failure of the power semiconductor devices. In order to overcome this issue without oversizing the module or its cooling system, this study aims to design a
Rabih Khazaka +3 more
doaj +1 more source

