Results 71 to 80 of about 14,500 (284)
Top‐Down Fabricated Wood‐Derived Pressure and Strain Sensors: A Review
Advanced Science, EarlyView.This review focuses on wood‐derived pressure/strain sensors fabricated via top‐down strategies. It analyzes wood's structural composition, examines processing techniques, discusses sensor types and sensing mechanisms, and reviews existing research. The article concludes with future directions for enhancing performance and scalability.
Yi Ren +8 more
wiley +1 more source
IET Power Electronics, EarlyView., 2023 This study introduces a new modular multilevel inverter that can produce five levels of positive voltage using only six power switches and five DC voltage sources. The basic unit is composed of a single‐ and double‐source (SDS) unit. SDS reduces the number of power electronic components, such as the insulated gate bipolar transistors, freewheeling ...
Naser Fakhri +4 more
wiley +1 more source
International Transactions on Electrical Energy Systems, 2022 Nowadays, researchers focus on the modular multilevel converter (MMC), due to its modularity structure, effective sharing of voltages among the submodule switches, and betterment in the quality of the voltage and current waveforms.
T. M. Thamizh Thentral +7 more
doaj +1 more source
IEEE Access, 2021 Hybrid modular multilevel converter control and design for pumped hydro storage plants is presented, addressing application-specific shortcoming of conventional back-to-back half-bridge modular multilevel converter: high common-mode-voltage machine ...
Miodrag Basic, Milan Utvic, Drazen Dujic
doaj +1 more source
A hybrid multilevel converter for medium and high voltage applications [PDF]
, 2010 This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Adam, Grain Philip +4 more
core
Analysis and hardware testing of cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters [PDF]
, 2015 This paper focuses on the behaviour of the cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. Active switches, not designed for fault conditions, are tripped to minimize discharge currents effect on the ...
Aboushady, A.A., Ahmed, K.H., Jovcic, D.
core +2 more sources
Precise Regulation of Membrane Proteins: From Physical Technology to Biomolecular Strategy
Advanced Science, EarlyView.This review summarizes the emerging strategies for the precise regulation of membrane proteins using physical stimuli and biomolecule‐based tools. These methods provide new insights into cell regulation and offer promising directions for future disease treatment.
Xiu Zhao +6 more
wiley +1 more source
IET Power Electronics, EarlyView., 2023 Here, multiport modular multilevel converter (MPMMC) topologies will be reviewed and analysed from a control standpoint. It does this through identifying feasible MPMMC topologies, developing review criteria and then reviewing the feasible topologies.
Stephan Adams +3 more
wiley +1 more source
Switching Loss Reduction for an MMC-Fed AC/DC Converter
IEEE Open Journal of Power ElectronicsMedium-voltage connected ultra-fast chargers are getting more popular for charging electric vehicles with large battery capacities. Here, the solution based on a modular multilevel converter is more promising, since the isolation stage can be realized as
Kaveh Pouresmaeil +3 more
doaj +1 more source
Gong-kuang zidonghua, 2014 A suppression strategy of circulating current of modular multilevel converter based on proportional complex integral controller was proposed according to double fundamental frequency negative sequence property of phase-to-phase circulating current of ...
SONG Pinggang +3 more
doaj +1 more source