Results 51 to 60 of about 21,653 (301)

Design of vibration isolation parameters of converter for high-speed double-deck EMU trains

open access: yes机车电传动, 2022
A finite element model of the double-deck EMU trains including the on-board traction converter was established, and the main low-order elastic modes of the car body were calculated and analyzed separately when the converter equipment adopted rigid ...
TAO Guidong, SUN Weiguang
doaj  

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

Analysis and design of a modular multilevel converter with trapezoidal modulation for medium and high voltage DC-DC transformers [PDF]

open access: yes, 2015
Conventional dual active bridge topologies provide galvanic isolation and soft-switching over a reasonable operating range without dedicated resonant circuits.
Adam, Grain P.   +4 more
core   +2 more sources

Materials and System Design for Self‐Decision Bioelectronic Systems

open access: yesAdvanced Materials, EarlyView.
This review highlights how self‐decision bioelectronic systems integrate sensing, computation, and therapy into autonomous, closed‐loop platforms that continuously monitor and treat diseases, marking a major step toward intelligent, self‐regulating healthcare technologies.
Qiankun Zeng   +9 more
wiley   +1 more source

Advancements in TLP Bonding for Power Electronics Die‐Attach Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Transient Liquid Phase (TLP) bonding is gaining traction as a lead‐free die‐attach technology in power electronics packaging. This review examines the state of TLP bonding, its key elements, reliability aspects, and practical limitations. This review also highlights emerging trends, such as nanostructured interfaces, that may improve scalability of TLP
Fatin Battal   +4 more
wiley   +1 more source

Traction Convertor of HXN6 Hybrid Power Diesel Locomotive

open access: yes机车电传动, 2017
The development background of HXN6 high power hybrid diesel locomotive traction converter was introduced, as well as the main circuit, working principle, performance parameters and technical features, and design and selection of traction converter key ...
ZOU Baisu   +3 more
doaj  

Design of main converter of accumulator locomotive [PDF]

open access: yes, 2011
Import 04/07/2011Práce se zabývá konstrukčním návrhem hlavního měniče akumulátorové lokomotivy. V úvodní části je provedena rešerše v oblasti trakčních vozidel zaměřená na jejich rozdělení, možnosti napájení elektrických trakčních vozidel a možnosti ...
Tvrdoň, Martin
core  

Modeling of electric railway vehicle for harmonic analysis of traction power-supply system using spline interpolation in frequency domain [PDF]

open access: yes, 1999
It is essential to model nonlinear traction converter loads for harmonic analysis of traction systems. A behavioral model in frequency domain to represent electric railway vehicle based on testing and measurement is proposed for harmonic analysis.
Lo, WC, Pong, MH, Ye, ZM, Yuen, KH
core   +1 more source

Microwave‐Assisted Aqueous Synthesis of Gelatin‐Norbornene for Hydrogel Crosslinking and Bioprinting

open access: yesAdvanced Materials Technologies, EarlyView.
A microwave‐assisted reaction is utilized to synthesize gelatin‐norbornene (GelNB), achieving a high degree of norbornene functionalization while reducing the macromer's upper critical solution temperature. The resulting GelNB macromer has high solubility at room temperature, facilitating light‐based 3‐dimensional (3D) printing of thiol‐norbornene ...
Jonathan B. Bryan, Chien‐Chi Lin
wiley   +1 more source

Integrated Bidirectional DC-DC Energy Storage Low-floor Trams Traction System

open access: yes机车电传动, 2016
The vehicle parameters and performance requirements of integrated bidirectional DC-DC energy storage low-floortrams traction system were introduced, and the traction system traction/braking characteristics, system composition, system matchingcontrol ...
Yuan Wenye   +4 more
doaj  

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