Results 61 to 70 of about 2,265,840 (284)
Cascaded H-bridge inverter (CHBI) with supercapacitors (SCs) and dc-dc stage shows significant promise for medium to high voltage energy storage applications.
Ye Zhang +4 more
doaj +1 more source
Evaluation of DC-link voltage ripple in five-phase PWM voltage source inverters
This paper presents the analysis of the DC-link voltage switching ripple in five-phase PWM voltage source inverters with balanced load. The analysis is particularly important for the design and selection of a DC-link capacitor making it possible to meet ...
M. Vujacic +4 more
doaj +1 more source
DC-link capacitor second carrier band switching harmonic current reduction in two-level back-to-back converters [PDF]
This paper proposes an active switching harmonic current reduction method within the DC-link capacitor of two-level, three-phase, back-to-back converters.
Bozhko, Serhiy +8 more
core +1 more source
Architected Bio‐Based Iontronic Skin With Dual‐Mode Pressure and Strain Sensing
Bio‐based acrylates in combination with an ionic liquid create 3D‐printed ionogels with compositionally tuneable mechanics and ionic conductivity. Gyroid architectures amplify low‐pressure sensitivity while preserving robust strain sensing, enabling dual‐mode detection of pressure and deformation.
Maksims Jurinovs +8 more
wiley +1 more source
Biodegradable Conductors for Implantable and Wearable Transient Bioelectronics
Biodegradable conductors are essential building blocks for transient bioelectronics, enabling temporary sensing, stimulation, and energy transfer while eliminating the need for device retrieval. This review summarizes biodegradable metals, conducting polymers, ionic conductors, and conductive composites, highlighting degradation mechanisms, material ...
Yicheng Zhu, Yijun Liu, Naoji Matsuhisa
wiley +1 more source
Analysis and Calculation of DC-link Ripple for the Inverter in Electric Vehicle
The performance of electric drive system for electric vehicle largely depends on the characteristics of DC-link capacitor in inverter, especially the abilities to absorb ripple current and ripple voltage of DC-link.
WU Chundong +3 more
doaj
An Overlooked Transport Mechanism in Organic Mixed Conductors
Electrical transport in organic mixed ionic‐electronic conductors is commonly described by ionic and electronic conduction. Here, eumelanin reveals that polarization‐assisted displacement currents constitute an additional transport component that coexists with conductive transport.
Natan L. Nozella +5 more
wiley +1 more source
Energetic Offset in Organic Solar Cells‐ Importance, Confusion and Outlook
Energetic offsets in organic solar cells (OSCs) remain a subject of debate due to measurement‐ and lab‐dependent discrepancies. This Perspective clarifies the physical origins of these variations and identifies temperature‐dependent electro‐optical methods as a reliable approach to obtain consistent offset values.
Nakul Jain +5 more
wiley +1 more source
A Nb‐proximitized Josephson junction based on a WTe2/α‐Fe2O3 heterostructure exhibits a robust superconducting diode effect with programmable polarity. The diode direction can be trained by magnetic fields and switched by temperature cycling, revealing tunable finite‐momentum pairing states and competing superconducting states in symmetry‐broken ...
Enze Zhang +9 more
wiley +1 more source
Analysis and Research of DC-link Ripple Current
Temperature rise of the capacitor played the key role for the DC-link capacitor life and using stability, while thetemperature rise depended on the ripple current.
WANG Shiping +4 more
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