Results 51 to 60 of about 1,106,684 (194)

Spectral Efficiency Optimization For Millimeter Wave Multi-User MIMO Systems

open access: yes, 2018
As a key enabling technology for 5G wireless, millimeter wave (mmWave) communication motivates the utilization of large-scale antenna arrays for achieving highly directional beamforming. However, the high cost and power consumption of RF chains stands in
Hong, Mingyi, Shi, Qingjiang
core   +1 more source

Research on protection adaptability and optimization scheme of VSC/LCC DC parallel hybrid system

open access: yesAIP Advances, 2023
With the continuous development of high-voltage direct current (HVDC) technology and the relative concentration of power load and power, the HVDC parallel hybrid system will inevitably appear again.
A. Ting Wang   +5 more
doaj   +1 more source

Energy Management and Control Strategy of Photovoltaic/Battery Hybrid Distributed Power Generation Systems With an Integrated Three-Port Power Converter

open access: yesIEEE Access, 2019
Photovoltaic (PV)/battery hybrid power units have attracted vast research interests in recent years. For the conventional distributed power generation systems with PV/battery hybrid power units, two independent power converters, including a ...
Jiatu Hong   +4 more
doaj   +1 more source

Design of Grid-tied Hybrid Diesel-Renewable Energy Systems Using Power Pinch Analysis

open access: yesChemical Engineering Transactions, 2020
Diesel power systems have been widely applied for energy supply generation. This power scheme however requires periodical maintenance and contributes to the emissions of greenhouse gases.
Syn Yee Tay   +5 more
doaj   +1 more source

Hybrid MIMO Architectures for Millimeter Wave Communications: Phase Shifters or Switches?

open access: yes, 2015
Hybrid analog/digital MIMO architectures were recently proposed as an alternative for fully-digitalprecoding in millimeter wave (mmWave) wireless communication systems.
Alkhateeb, Ahmed   +4 more
core   +1 more source

Sequential network‐flow based power‐flow method for hybrid power systems

open access: yesIET Generation, Transmission & Distribution, 2021
This paper presents a sequential network‐flow graph‐based method for a steady‐state power flow solution in hybrid multi‐terminal power systems. The proposed method is a unique and novel one, which differs from other established methods that involve the ...
Ayman M.O. Mohamed   +1 more
doaj   +1 more source

Hybrid Power System Power Flow Analysis

open access: yesEnergy and Power Engineering, 2013
Hybrid power supply system consists of a number of independent and different sources of electrical energy with different operating times during different seasons and with energy storage system. Deployment of a hybrid power system is expected in places outside the normal distribution network.
Petr Bilik   +3 more
openaire   +1 more source

Load Frequency Optimal Active Disturbance Rejection Control of Hybrid Power System

open access: yesAlgorithms
The widespread adoption of the power grid has led to increased attention to load frequency control (LFC) in power systems. The LFC strategy of multi-source hybrid power systems, including hydroelectric generators, Wind Turbine Generators (WTGs), and ...
Kuansheng Zou   +3 more
doaj   +1 more source

Emergence, evolution, and control of multistability in a hybrid topological quantum/classical system

open access: yes, 2017
We present a novel class of nonlinear dynamical systems - a hybrid of relativistic quantum and classical systems, and demonstrate that multistability is ubiquitous.
Lai, Ying-Cheng   +2 more
core   +1 more source

Factors Influencing Success of Wind-Diesel Hybrid Systems in Remote Alaska Communities: Results of an Informal Survey [PDF]

open access: yes, 2011
In 2008 the Alaska State Legislature created and funded the Renewable Energy Fund. As a result of this available funding, the number of wind-diesel hybrid power systems is increasing dramatically in rural Alaska.
Fay, Ginny, Udovyk, Nataliya
core  

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