Results 41 to 50 of about 967,927 (282)
Submodule capacitance requirement reduction with capacitor voltage ripple suppression in MMC
IET Generation, Transmission & Distribution, 2020 In modular multilevel converter (MMC)‐based high‐voltage direct current transmission system, hundreds of submodules (SMs) with large SM capacitance in each arm result in expensive cost and bulky volume. In full‐bridge submodules (FBSMs)‐based MMC (FB‐MMC), a novel capacitor voltage ripple suppression method based on three available variables ...
Yuntao Xiao, Li Peng
openaire +1 more source
Virtual inertia with PV inverters using DC-link capacitors [PDF]
, 2016 Soon, virtual inertia for grid control must be covered by photovoltaic inverters. It is suggested to use DC link capacitors for this task. This requires 5 W, 50 J and a capacitor size of about 200 cm 3 per installed kW, corresponding to the size of ...
Eberhard Waffenschmidt +3 more
core +1 more source
Advanced Engineering Materials, EarlyView.Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar +7 more
wiley +1 more source
Energies, 2017 Direct current (DC)-link voltage ripple analysis is essential for determining harmonic noise and for DC-link capacitor design and selection in single-phase pulse-width modulation (PWM) inverters.
Marija Vujacic +3 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Edible electronics needs integrated logic circuits for computation and control. This work presents a potentially edible printed chitosan‐gated transistor with a design optimized for integration in circuits. Its implementation in integrated logic gates and circuits operating at low voltage (0.7 V) is demonstrated, as well as the compatibility with an ...
Giulia Coco +8 more
wiley +1 more source
A novel high-conversion-ratio bidirectional three-phase DC–DC converter
The Journal of Engineering, 2019 A novel high-conversion-ratio bidirectional three-phase DC–DC converter is proposed in this paper, which features not only low switch voltage and current stresses, but also automatic voltage balancing and current sharing ability without adding extra ...
Fan Wang +3 more
doaj +1 more source
IEEE Access, 2022 The single-phase high frequency link (HFL) matrix-type DC-AC converter has been widely explored due to its high efficiency, light weight, and high power density, which offers galvanic isolation power conversion without bulky dc link capacitors and soft ...
Wenjie Zhu +5 more
doaj +1 more source
Laser‐Induced Graphene from Waste Almond Shells
Advanced Functional Materials, EarlyView.Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova +9 more
wiley +1 more source
Advances in Sustainable and Wearable Textile Based Soft Robotics
Advanced Functional Materials, EarlyView.This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas +6 more
wiley +1 more source
, 2018 This paper provides an extensive theoretical analysis of the capacitors voltage ripple for three-phase three-level neutral point clamped inverter topologies.
Manel Hammami +5 more
core +1 more source