Results 1 to 10 of about 4,573,671 (268)

Key Generation Method Based on Multi-Satellite Cooperation and Random Perturbation [PDF]

open access: yesEntropy, 2021
In low-earth-orbit (LEO) satellite-to-ground communication, the size of satellite antennae is limited and the satellite motion trajectory is predictable, which makes the channel state information (CSI) of the satellite-to-ground channel easy to leak and ...
Yinuo Hao   +3 more
doaj   +2 more sources

Channel-Based Key Generation for Encrypted Body-Worn Wireless Sensor Networks [PDF]

open access: yesSensors, 2016
Body-worn sensor networks are important for rescue-workers, medical and many other applications. Sensitive data are often transmitted over such a network, motivating the need for encryption.
Patrick Van Torre
doaj   +2 more sources

Branch Voltage Balancing Control Strategy Based on the Transfer Power Model by Zero-Sequence Circulating Current for the Hexverter

open access: yesIEEE Access, 2022
This paper proposes a novel branch voltage-balancing control strategy for a hexagonal converter (Hexverter). First, the state-space model based on the double-dq transformation is analyzed in-depth along with the necessary basic mathematical derivation ...
Yang Yi   +3 more
doaj   +1 more source

Principle of Supraharmonic Elimination Based on Random Carrier Sinusoidal Pulse Width Modulation for Converter Clusters

open access: yesZhongguo dianli, 2023
It is established by the voltage source converter supraharmonic model based on the principle of RC-SPWM. The relationship among the carrier randomness and amplitude as well as the phase randomness of supraharmonic is explored.
Jiawei YANG   +4 more
doaj   +1 more source

Insulation condition evaluation of oil-immersed transformer based on entropy weight hierarchy method

open access: yes电力工程技术, 2023
In order to evaluate the insulation condition of oil-immersed transformers effectively, a weight allocation method considering expert experience and degradation state is proposed in this paper.
LI Bo   +5 more
doaj   +1 more source

Impedance Modeling Method of Offshore Wind Farm Integration Through MMC-HVDC With MMC Circulation Control

open access: yesZhongguo dianli, 2023
Based on impedance analysis, this paper focuses on the circulation control of a modular multilevel converter (MMC) and conducts in-depth research on the stability impact of offshore wind farm integration based on a permanent magnetic synchronous ...
Shuting YANG   +3 more
doaj   +1 more source

Molecular Dynamics Simulations of Interface Properties and Key Physical Properties of Nanodielectrics Manufactured With Epoxy Resin Doped With Metal Nanoparticles

open access: yesIEEE Access, 2021
In this work, we apply a molecular dynamics simulation of Ag-nanoparticle-doped epoxy resin to analyze in depth the micro-mechanisms in this nanodielectric.
Tianyu Wang, Dayu Li, Guixin Zhang
doaj   +1 more source

Progress in Catalytic Decomposition and Removal of N2O in Fluidized Bed

open access: yesEnergies, 2021
As a clean fuel combustion technology, the circulating fluidized bed (CFB) has been developed rapidly in recent years, but one of its disadvantages is high N2O emissions.
Miao Miao   +5 more
doaj   +1 more source

Research on low frequency ripple suppression technology of inverter based on model prediction [PDF]

open access: yesArchives of Electrical Engineering, 2023
The low frequency ripple of the input side current of the single-phase inverter will reduce the efficiency of the power generation system and affect the overall performance of the system. Aiming at this problem, this paper proposes a two-modal modulation
Haiyang Liu   +4 more
doaj   +1 more source

Analysis and Simulation Research of Cascading Faults in AC/DC Hybrid Grid

open access: yesIEEE Open Access Journal of Power and Energy, 2022
In the development of power systems, the traditional AC power grids are gradually evolving into AC/DC hybrid grids. However, the safety of hybrid grids is threatened by cascading faults, which is a set of chain events caused by a single fault and will ...
Xinzhou Dong   +5 more
doaj   +1 more source

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