scholarly journals Advances in Distributed Generation Source Digital Twins Design

2021 ◽  
Vol 11 (1) ◽  
pp. 2
Author(s):  
Ivan Todorović ◽  
Ivana Isakov ◽  
Boris Sučić ◽  
Dušan Čohadžić ◽  
Aleksandar Kavgić
Keyword(s):  
Power Systems ◽  
Distributed Generation ◽  
Fundamental Importance ◽  
Modeling Approaches ◽  
Domain Structures ◽  
Social Ecological ◽  
Digital Twins ◽  
And Storage ◽  
Storage Facilities

The emerging power systems will be proliferated by different distributed generation sources and storage facilities. The adequate modeling of these novel facilities, and power systems in general, is of fundamental importance for the evolution of power systems since the appropriate models are the only tool that can feasibly be used to investigate such diverse and complex multi-domain structures. In other words, the development of digital twins of the distributed generation sources presents a prerequisite for advancements in several domains (technical, financial, social, ecological, etc.). This paper explains several modeling approaches and provides examples of how the models could be used.

scholarly journals Efficient Energy Management in a Microgrid with Intermittent Renewable Energy and Storage Sources

2019 ◽  
Vol 11 (14) ◽  
pp. 3839 ◽  
Author(s):  
Makbul A.M. Ramli ◽  
H.R.E.H. Bouchekara ◽  
Abdulsalam S. Alghamdi
Keyword(s):  
Renewable Energy ◽  
Power Systems ◽  
Energy Management ◽  
Distributed Generation ◽  
Renewable Energy Sources ◽  
Sporting Events ◽  
Battery Storage ◽  
Large Power ◽  
And Storage ◽  
Different Sources

Substituting a single large power grid into various manageable microgrids is the emerging form for maintaining power systems. A microgrid is usually comprised of small units of renewable energy sources, battery storage, combined heat and power (CHP) plants and most importantly, an energy management system (EMS). An EMS is responsible for the core functioning of a microgrid, which includes establishing continuous and reliable communication among all distributed generation (DG) units and ensuring well-coordinated activities. This research focuses on improving the performance of EMS. The problem at hand is the optimal scheduling of the generation units and battery storage in a microgrid. Therefore, EMS should ensure that the power is shared among different sources following an imposed scenario to meet the load requirements, while the operational costs of the microgrid are kept as low as possible. This problem is formulated as an optimization problem. To solve this problem, this research proposes an enhanced version of the most valuable player algorithm (MVPA) which is a new metaheuristic optimization algorithm, inspired by actual sporting events. The obtained results are compared with numerous well-known optimization algorithms to validate the efficiency of the proposed EMS.

scholarly journals Planning of power systems with distributed generation and storage

2011 ◽  
pp. 784-788
Author(s):  
C. Ponce Corral ◽  
H. Bludszuweit ◽  
J.A. Domínguez Navarro
Keyword(s):  
Power Systems ◽  
Distributed Generation ◽  
And Storage

CHAOTIC OPERATING MODES OF POWER SYSTEMS WITH DISTRIBUTED GENERATION

2020 ◽  
Vol 2 (1) ◽  
pp. 027-031
Author(s):  
B. A. Kosarev ◽  
◽  
O. A. Lysenko ◽  
V. K. Fedorov ◽  
R. N. Khamitov ◽  
...  
Keyword(s):  
Power Systems ◽  
Distributed Generation ◽  
Operating Modes

Scheduling and Pricing of Energy Generation and Storage in Power Systems

2018 ◽  
Vol 33 (4) ◽  
pp. 4308-4322 ◽  
Author(s):  
Roohallah Khatami ◽  
Masood Parvania ◽  
Pramod P. Khargonekar
Keyword(s):  
Power Systems ◽  
Energy Generation ◽  
And Storage

Optimal Location and Size of Multiple Renewable Distributed Generation Units in Power Systems Using an Improved Version of Particle Swarm Optimization

2021 ◽  
pp. 15-27
Author(s):  
Mamdouh Kamaleldin AHMED ◽  
◽  
Mohamed Hassan OSMAN ◽  
Nikolay V. KOROVKIN ◽  
◽  
...  
Keyword(s):  
Particle Swarm Optimization ◽  
Power Systems ◽  
Distributed Generation ◽  
Particle Swarm ◽  
Optimal Location ◽  
Particle Swarm Algorithm ◽  
Power Losses ◽  
Negative Effects ◽  
Swarm Optimization ◽  
Distributed Generations

The penetration of renewable distributed generations (RDGs) such as wind and solar energy into conventional power systems provides many technical and environmental benefits. These benefits include enhancing power system reliability, providing a clean solution to rapidly increasing load demands, reducing power losses, and improving the voltage profile. However, installing these distributed generation (DG) units can cause negative effects if their size and location are not properly determined. Therefore, the optimal location and size of these distributed generations may be obtained to avoid these negative effects. Several conventional and artificial algorithms have been used to find the location and size of RDGs in power systems. Particle swarm optimization (PSO) is one of the most important and widely used techniques. In this paper, a new variant of particle swarm algorithm with nonlinear time varying acceleration coefficients (PSO-NTVAC) is proposed to determine the optimal location and size of multiple DG units for meshed and radial networks. The main objective is to minimize the total active power losses of the system, while satisfying several operating constraints. The proposed methodology was tested using IEEE 14-bus, 30-bus, 57-bus, 33-bus, and 69- bus systems with the change in the number of DG units from 1 to 4 DG units. The result proves that the proposed PSO-NTVAC is more efficient to solve the optimal multiple DGs allocation with minimum power loss and a high convergence rate.

Modern trends in the development of forklifts

2021 ◽  
pp. 36-40
Author(s):  
D.A. Semenov
Keyword(s):  
Parametric Model ◽  
Transport Equipment ◽  
Automated Control ◽  
Modern Design ◽  
Current Trends ◽  
History Of ◽  
Design Solutions ◽  
The Moment ◽  
And Storage ◽  
Storage Facilities

This article helps to understand what a forklift is, what it was and what it is at the moment. In the text below, a brief history of the appearance of the loader is well traced, the constructive component and its features are described. The main aspects of the development of a loader in the system of lifting and transporting machines and storage facilities are highlighted. The current trends in the development of forklifts are summarized, an analysis of the market of European and domestic consumers is provided and a conclusion about popular manufacturers is formulated. The information about modern design solutions for machines of this type was also not spared, the principles of operation were described, and also its own design-parametric model of a forklift was proposed, which is able to make work in warehouses more economical and profitable. In the conclusion, the main theses about the modernized machine are formulated, which can subsequently give an impetus to the development of automated control on domestically produced loaders. Keywords: forklift, modernization, improvement, lifting and transport equipment

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