Results 1 to 10 of about 4,601,812 (201)

Temperature analysis and comparison of active power losses in non-stationary and stationary thermal conditions of overhead power lines [PDF]

open access: yesОмский научный вестник, 2023
The article considers the temperature distribution with increased currents in the nonstationary thermal regime of overhead power lines. The temperature distribution along the length of the line for wires of AC-240/32 and G(Z)TACSR 240 grades is ...
V. M. Trotsenko
doaj   +1 more source

Paddy Storage Status at Rice Mill and Farm Household Levels of Mymensingh Division in Bangladesh

open access: yesFundamental and Applied Agriculture, 2023
Long time storage of paddy is a concerning issue at farm households and rice mills of Bangladesh due to inadequate sustainable storage technologies.
Md. Najmul Huda Shihab   +8 more
doaj   +1 more source

A Review on the Estimation of Power Loss Due to Icing in Wind Turbines

open access: yesEnergies, 2022
The objective of this article is to review the methodologies used in the last 15 years to estimate the power loss in wind turbines due to their exposure to adverse meteorological conditions. Among the methods, the use of computational fluid dynamics (CFD)
Leidy Tatiana Contreras Montoya   +2 more
doaj   +1 more source

Optimization of traction power supply system modes by voltage and reactive power to reduce losses [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2018
The mathematical model is elaborated and analysis of the system is done on the adaptive voltage control and reactive power compensation of AC traction to minimize active losses.
Badretdinov T.N.
doaj   +1 more source

Distributed Integral Convex Optimization-Based Current Control for Power Loss Optimization in Direct Current Microgrids

open access: yesEnergies, 2023
Due to the advantages of fewer energy conversion stages and a simple structure, direct current (DC) microgrids are being increasingly studied and applied.
Yajie Jiang, Siyuan Cheng, Haoze Wang
doaj   +1 more source

Comparative Analysis of Smart Grid Solar Integration in Urban and Rural Networks

open access: yesSmart Cities, 2023
Solar photovoltaic (PV) power, a highly promising renewable energy source, encounters challenges when integrated into smart grids. These challenges encompass voltage fluctuations, issues with voltage balance, and concerns related to power quality.
Mohammad Reza Maghami   +2 more
doaj   +1 more source

A Novel Algorithm for Routing Paths Selection in Mesh-Based Optical Networks-on-Chips

open access: yesMicromachines, 2020
Optical networks-on-chips (ONoCs) is an effective and extensible on-chip communication technology, which has the characteristics of high bandwidth, low consumption, and low delay.
Xiao-Ping Yang   +8 more
doaj   +1 more source

Efficiency improvement and power loss breakdown for a Lundell-alternator/active-rectifier system in automotive applications [PDF]

open access: yes, 2017
A control strategy for a conventional Lundell alternator and an active-rectifier using different modulation schemes was proposed in previous work. The modulation techniques examined indicated that the system could operate more efficiently than a passive ...
Flack, Timothy J.   +5 more
core   +1 more source

Investigation of Variable Switching Frequency in Finite Control Set Model Predictive Control on Grid-Connected Inverters

open access: yesIEEE Open Journal of Industry Applications, 2021
Finite control set model predictive control (FCS-MPC) has been widely studied and applied to the power converters and motor drives. It provides the power electronics system with fast dynamic response, nonlinear system formulation, and flexible objectives
Luocheng Wang, Tiefu Zhao, Jiangbiao He
doaj   +1 more source

Modeling Cascading Failures in the North American Power Grid [PDF]

open access: yes, 2004
The North American power grid is one of the most complex technological networks, and its interconnectivity allows both for long-distance power transmission and for the propagation of disturbances.
Albert   +28 more
core   +2 more sources

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