Results 31 to 40 of about 123,459 (289)

Binary Search Algorithm for Mixed Integer Optimization: Application to energy management in a microgrid [PDF]

open access: yes, 2016
This paper presents a binary search algorithm to deal with binary variables in mixed integer optimization problems. One example of this kind of problem is the optimal operation of hydrogen storage and energy sale and purchase into a microgrids ...
Bordons Alba, Carlos   +3 more
core   +1 more source

A nearly zero-energy microgrid testbed laboratory: Centralized control strategy based on SCADA system [PDF]

open access: yes, 2020
Currently, despite the use of renewable energy sources (RESs), distribution networks are facing problems, such as complexity and low productivity. Emerging microgrids (MGs) with RESs based on supervisory control and data acquisition (SCADA) are an ...
Carni, D. L.   +5 more
core   +1 more source

An Interleaved Zero-Voltage Zero-Current Switching High Step-Up DC-DC Converter

open access: yesIEEE Access, 2021
An interleaved zero-voltage zero-current switching (ZVZCS) high step-up DC-DC converter is proposed for modern photovoltaic power generation systems. The proposed converter can achieve high voltage conversion gain without operating under extreme duty ...
Binxin Zhu   +3 more
doaj   +1 more source

Virtual synchronous motor based-control of Vienna rectifier

open access: yesEnergy Reports, 2020
Vienna rectifiers are widely used because of their advantages of high power-factor, low voltage stress on the power semiconductor switches, high power density, stable output voltage, low current harmonic content, and good economics. And gradually applied
Xiangwu Yan   +5 more
doaj   +1 more source

Ternary Ni‐based Prussian blue analogue with superior sodium storage performance induced by synergistic effect of Co and Fe

open access: yesCarbon Energy, 2021
Prussian blue analogue Na2Ni[Fe(CN)6] (Ni–PB) has been widely studied as a cathode material for sodium‐ion battery due to its excellent cycling performance.
Lu‐Lu Zhang   +7 more
doaj   +1 more source

Transition from Islanded to grid-connected mode of microgrids with voltage-based droop control [PDF]

open access: yes, 2013
Microgrids are able to provide a coordinated integration of the increasing share of distributed generation (DG) units in the network. The primary control of the DG units is generally performed by droop-based control algorithms that avoid communication ...
De Kooning, Jeroen   +3 more
core   +1 more source

Research on QPR and sliding-mode control strategy for three-phase Vienna rectifier

open access: yesDianzi Jishu Yingyong, 2019
Aiming to slove the PI controller′s problem that it is difficult to achieve the fast and accuracy performances of Vienna rectifier, this paper proposed a novel composited nonlinear control strategy with sliding mode controller(SMC) and Quasi proportional
Ma Hui   +3 more
doaj   +1 more source

The Comparison Study of Short-Term Prediction Methods to Enhance the Model Predictive Controller Applied to Microgrid Energy Management [PDF]

open access: yes, 2017
Electricity load forecasting, optimal power system operation and energy management play key roles that can bring significant operational advantages to microgrids.
Da Costa Mendes, Paulo Renato   +5 more
core   +4 more sources

RETRACTED: Control of Bidirectional DC-DC Converter for Micro-Energy Grid’s DC Feeders' Power Flow Application

open access: yesInternational Journal of Renewable Energy Development, 2022
Referred to by: Retraction notice to ‘Control of Bidirectional DC-DC Converter for Micro-Energy Grid’s DC Feeders' Power Flow Application' IJRED 11(2), 533-546 International Journal of Renewable Energy Development, 12(6).
Muhammad Hammad Saeed   +2 more
doaj   +1 more source

An Overview of Hydroelectric Power Plant: Operation, Modeling, and Control [PDF]

open access: yesJournal of Renewable Energy and Environment, 2020
Renewable energy provides twenty percent of electricity generation worldwide. Hydroelectric power is the cheapest way to generate electricity today. It is a renewable source of energy and provides almost one-fifth of electricity in the world.
Ghazanfar Shahgholian
doaj   +1 more source

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