The Faculty of Economics and Business was established as an independent entity at the Tbilisi State University in 1931 on the basis of the Social-Economic Faculty founded in 1922. Development of the University as well as development of economic education in Georgia is associated with the name of Ivane Javakhishvili.
Section 2 reviews and estimates the reliability of EDGs, PV, and BESS. Details on the values used are provided in the appendix. Section 3 discusses the approach for modeling the microgrid''s system level resilience when islanded independent of cost considerations. Section 4 presents our approach for using NREL''s REopt™ techno …
DOI: 10.1016/j.apenergy.2020.114489 Corpus ID: 213445833; Multi-objective economic dispatch of a microgrid considering electric vehicle and transferable load @article{Hou2020MultiobjectiveED, title={Multi-objective economic dispatch of a microgrid considering electric vehicle and transferable load}, author={Hui Hou and Mengya Xue and …
In the book, readers will explore an engineering economics framework on the investment decisions and capital expenditure analyses required for an assessment of …
In this chapter, an introduction to microgrid, including its history, basic concepts, and definitions, is presented. Next, the functions of distributed energy resources in microgrids including the integration of renewable energy into power grid, are discussed. Afterwards, the role of microgrids in power systems through improved reliability, increased resilience, …
The uncertainty and volatility of distributed generation (DG) will significantly influence on the grid-connected operation of microgrid, leading to a lack of sufficient utilization of renewable energy. In response to this issue, this article establishes a two-layer collaborative economic optimization scheduling model for microgrid distribution networks that considers grid …
In this chapter, an introduction to microgrid, including its history, basic concepts, and definitions, is presented. Next, the functions of distributed energy …
This paper presents the application of economic predictive control to minimize the cost of operating a nonisolated microgrid connected to an electric utility (EU) subject to a periodic internal demand. The microgrid considered is composed of a set of photovoltaic panels and two storage systems and it can buy and sell energy to an EU. …
The intermittency of renewable energy generation, variability of load demand, and stochasticity of market price bring about direct challenges to optimal energy management of microgrids. To cope with these different forms of operation uncertainties, an imitation learning based real-time decision-making solution for microgrid economic …
Taught in English, ISET''s BA Program in Economic is now open for application! The BA program is housed in ISET''s modern 7-floor facility in downtown Tbilisi. To ensure the highest quality of instruction, the program is taught by a mix of international faculty and western-trained Georgian professors. The curriculum mirrors the best economics ...
The increasing number of electric vehicles (EVs) represents a huge burden on the electrical grid. EVs'' charging and discharging control through vehicle-to-grid (V2G) techniques is one of the best solutions to power problems and CO 2 emissions. This study introduces a multi-objective power scheduling of a residential microgrid that consists of …
The book presents economic models for the expansion of microgrids under load and market price uncertainties, as well as discussions of the economics of resilience in microgrids …
In this study, a comprehensive quantitative assessment based on the novel 3E (energy, economic, and environmental) assessment method is proposed by considering load classifications and two major operating modes. An airport cargo terminal microgrid located in a remote area is used to test the assessment approach.
The techno-economic assessment of a medium scale microgrid system is investigated in this work by utilizing some key performance indicators (KPIs). These KPIs …
"The economics of sustainability and changing the way you do power management has become a local topic." ... Microgrids are becoming ever more prominent dotted along the energy landscape in the U.S. and around the world. Transparency Market Research, for one, estimates that the microgrid sector is growing about 11 percent …
Amin Khodaei, PhD, is a Professor in the Electrical and Computer Engineering department at the University of Denver. His research is focused on the climate cri-sis, the grid of the …
Microgrids are emerging as feasible solutions to handle local energy systems. Several factors influence the development of such systems, such as technical, economic, social, legal, and regulatory issues. These important aspects need to be addressed to design appropriate microscale projects that take into consideration adequate technology without …
2020. TLDR. This work presents a detailed view on how the current policy scenario for the electricity sector in Brazil is prepared to absorb the concept of microgrids in both its technical and commercial scope and contributes to policy analysis that serve to leverage the insertion of microgrid in the context of the Brazilian energy sector. Expand.
This paper presents a formulation to determine the appropriate power dispatch of an energy storage system, whose available energy is dependent on the charging/discharging pattern from previous time periods. The implementation structure is consistent with current dispatch algorithms used in microgrids, and the algorithm can be …
The proposed models can be used for analyzing the microgrid economic development and accordingly, determine the optimal size and combination of DERs to be installed. The proposed model alleviated the need for complex calculations, hence, allowing a fast and efficient study of microgrid planning. The obtained result showed that the …
Mehdi Ganji: Microgrids can help cities improve power grid cost effectiveness, safety, sustainability and resilience. This, in turn, helps cities serve their citizens with high-quality energy, water and wastewater, transportation, and communication services. These services are planned and operated independently of each other, but have …
To ensure optimal economic operation of multi-bus DC microgrids (MGs), the optimal power flow (OPF) problem can be formulated to minimize the generation cost. However, due to the weak inertia property of DC MGs, an inappropriate droop gain may lead to instability issuez. To address this problem, this paper proposes an OPF with stability constraints for …
In this paper, the microgrid economic scheduling mathematical model considering the integration of plug-in hybrid electric vehicles (PHEVs) is presented and the influence of different charging and discharging modes on microgrid economic operation is analyzed. The generic algorithm is used to find an economically optimal solution for the microgrid …
overall microgrid reliability. 1.2. Economic value of PV and BESS The economics of behind-the-meter PV and BESS has been well stud- ied. Many studies have assessed and optimized the economics of PV systems without storage as a function of building types [17], utility rate structure, ownership options, PV size, and PV costs [18] . Tools are avail-
Afterwards, the role of microgrids in power systems through improved reliability, increased resilience, and enhanced power quality is presented. Next, critical microgrid features and technologies including microgrid power management and control, microgrid islanding, microgrid protection, microgrid communications, and …
Abstract. This paper reports on the work of the CIGRÉ C6.22 Working Group, Microgrid Evolution Roadmap, which has recently finalized its first Technical Brochure. The Working Group was asked to identify the main elements required to justify, develop, and implement viable microgrids, which the Group defined as follows: Microgrids are ...
As a result, stability and security of the microgrid''s economic dispatch will improve. 2.3. Battery regulation strategy. For convenience, we define the necessary variables and parameters in the Nomenclature section. Because the microgrid is connected to the utility grid, wind power randomness, photovoltaic, and load will all have a significant ...
THE ECONOMICS OF MICROGRIDS An incisive and practical exploration of the engineering economics of microgrids In The Economics of Microgrids, a pair of distinguished researchers delivers an expert discussion of the microeconomic perspectives on microgrids in the context of low-carbon, sustainable energy delivery. In …
This paper addresses the costs and benefits associated with microgrid development relative to the costs and benefits of conventional generation interconnected …
The economic and environmental benefits derived from using microgrid system have compelled the development of many algorithms for optimization of a power system. In this work, the proposed microgrid system that consists of WTG system, PV system, diesel generator and BSS is designed to meet the consumers'' load requirements …
The book presents economic models for the expansion of microgrids under load and market price uncertainties, as well as discussions of the economics of …
1. Introduction. With diversified energy equipments increasingly penetrating into the power grid, the Energy Internet is the inevitable development trend of the global power system [1] is featured with integration of multi-energy production and consumption, as well as tight coupling of energy sources, which requires a flexible management pattern.
Teaching customers about microgrid economics "The whole idea is basically showing how you''re going to save them money or make them money." — Rob Hong, Sapling. When showing a customer …
Optimal Energy Management in a smart building microgrid. • Hybrid PV-Battery for energy balance. • Economic aspects of local generation for buildings. • Minimization of exchanged power between the microgrid and the main grid. • Integration of SCADA system based on Modbus and KNX protocols.
Corpus ID: 111888340; Microgrid Evolution Roadmap Engineering, Economics, and Experience @inproceedings{Marnay2015MicrogridER, title={Microgrid Evolution Roadmap Engineering, Economics, and Experience}, author={Chris Marnay and Spyros Chatzivasileiadis and Chad Abbey and Reza Iravani and G{''e}za Jo{''o}s and Pio …
1. Introduction. Tbilisi is the capital of Georgia, a post-Soviet country in the South Caucasus. 1 The 2014 census estimated its population at 1.118 million (Geostat, 2015). 2 Tbilisi is not only the largest city in Georgia, but is also one of the key socio-economic hubs in the Caucasus as a whole. The city presently accommodates 30% of …