Results 31 to 40 of about 7,287,922 (257)

Real Power Loss Reduction by Enhanced Imperialist Competitive Algorithm [PDF]

open access: yes, 2017
In this paper, an Enhanced Imperialist Competitive (EIC) Algorithm is proposed for solving reactive power problem. Imperialist Competitive Algorithm (ICA) which was recently introduced has shown its decent performance in optimization problems.
Kanagasabai, Lenin
core   +1 more source

A survey on enhancement of power system performances by optimally placed DG in distribution networks

open access: yesEnergy Reports, 2018
This paper presents a survey on enhancement of power system performances by optimally placed distributed generations in distribution networks. Thedistribution power system performances such as minimization of real power loss, minimization of reactive ...
Bindeshwar Singh, Deependra Kumar Mishra
doaj   +1 more source

Coordinated active and reactive power operation of multiple dispersed resources for flexibility improvement

open access: yesFrontiers in Energy Research, 2023
The purpose of this paper is to reach the optimal active and reactive power operation of multiple dispersed resources consisting of mobile energy storage system (MESS), demand response (DR) and photovoltaic (PV), for flexibility improvement of ...
Ying Cai, Wei Luo
doaj   +1 more source

Power Loss Minimization in Smart Transformer Enabled Low Voltage Islanded Meshed Hybrid Microgrid

open access: yesIEEE Access, 2022
The smart transformer (ST) offers several features in a hybrid microgrid due to the presence of both ac and dc links while providing various power flow paths.
Dwijasish Das   +3 more
doaj   +1 more source

Distributed power flow loss minimization control for future grid [PDF]

open access: yes, 2015
In this paper, a novel decentralized algorithm is proposed to minimize power flow loss in a large-scale future grid connecting with many real-time-distributed generation systems by which power flows bi-directionally.
Jack Brouwer   +11 more
core   +1 more source

A Two-Way Network Beamforming Approach Based on Total Power Minimization With Symmetric Relay Beamforming Matrices

open access: yesIEEE Access, 2017
We study the total transmit power minimization problem for a two-way relay network under two constraints on the transceivers' received signal-to-noise-ratios.
Razgar Rahimi, Shahram Shahbazpanahi
doaj   +1 more source

Reverse Conduction Loss Minimization in GaN‑Based PMSM Drive

open access: yes, 2020
Gallium nitride (GaN) devices are becoming more popular in power semiconductor converters. Due to the absence of the freewheeling substrate diode, the reverse conduction region is used in GaN transistors to conduct the freewheeling current.
Jiri Lettl   +3 more
core   +1 more source

Iron Losses Prediction with PWM Supply Using Low and High Frequency Measurements: Analysis and Results Comparison [PDF]

open access: yes, 2008
In this paper, two different methods for iron loss prediction are analyzed. The first method is based on the classical separation of loss contributions (hysteresis, eddy-current, and excess losses).
Gmyrek, Z.   +3 more
core   +1 more source

Power Loss Minimization for Transformers Connected in Parallel with Taps Based on Power Chargeability Balance

open access: yesEnergies, 2018
In this paper, a model and solution approach for minimizing internal power losses in Transformers Connected in Parallel (TCP) with tap-changers is proposed.
Álvaro Jaramillo-Duque   +4 more
doaj   +1 more source

Effectiveness of Resistance Intradialytic Exercise Compared to Aerobic Intradialytic Exercise for Patients With Chronic Kidney Disease: A Randomized Controlled Clinical Trial

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Patients with chronic kidney disease undergoing hemodialysis commonly experience reduced physical function, fatigue, poor sleep quality, and impaired health‐related quality of life. Intradialytic exercise has been proposed as a non‐pharmacological strategy to improve these outcomes.
Klebson da Silva Almeida   +6 more
wiley   +1 more source

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