Kannan, Nithiyananthan · BiblioBoard Library Catalog (Open Research Library) · 2019
A microgrid has a group of electrical generation and various types of loads operated as single controllable power system. Microgrid is a best option for configuration of recent model power grids. Microgrids are capable of work in parallel with the existing grid as well as off grid as isolated mode. The microgrid enables the grid connection as either AC grid or DC grid and it provides connections of variable AC and DC sources with loads. Microgrid has modeled such a way that it avoids multiple reverse connections. Power electronic devices such as converters and inverters are ensures safe operation and control of the microgrid. The proper modeling and simulation results ensure the successful implementation of microgrid. The challenges involved in implementation and the modeling of AC/DC and hybrid grid in the tied mode have been discussed. The simulation modeling of the microgrid in MATLAB/SIMULINK platform is explained with neat circuit diagram. This chapter provides the readers complete and comprehensive overview about microgrids and their different modes of operations.
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S. Monesha, S. Ganesh Kumar · 2023
Electric energy demand has increased in recent years, implying a rise in electricity output. Distributed Generation (DG) is gaining popularity due to its high reliability, power quality, performance, decreased emissions, increased protection, and effective load management. The microgrid concept is gaining interest as a more straightforward way to utilise the benefits and possibilities of distributed generation. Microgrids connect Distributed Energy Resources (DERs) to the electrical grid and energy storage. This is the Smart Grid of the future, which serves as a central electricity provider while lowering energy expenditures. As a result, in order to improve performance, energy consumption must be reduced by properly utilising available resources, lowering total expenses. This chapter covers a variety of microgrid topics. To maximise the electricity shared with the grid profile, an energy management plan must be developed. The modern approach to resource management must be strengthened and redesigned. The various microgrid structures are detailed, including AC, DC, Hybrid, Urban DC, and Ceiling DC Microgrids. Many forms of microgrid control mechanisms are briefly explained. This chapter also discusses energy management strategies, microgrid innovations, and microgrid difficulties. Microgrid systems’ benefits, drawbacks, and various uses are depicted using interactive figures. Different control systems are also addressed in order to monitor various factors including voltage, current, and power. In addition, IEEE and IEC standards are covered, which aid in the implementation of a faultless microgrid system.
Cited by 3Open access
Kannan, Nithiyananthan · IntechOpen · 2019
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Ray, Papia, Biswal, Monalisa · CERN Document Server (European Organization for Nuclear Research) · 2020
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Bhuvnesh Khokhar, K. P. Singh Parmar, Tripta Thakur et al. · 2024
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2019
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AMIT KUMAR PANDEY, Sanjeevikumar Padmanaban, Suman Lata Tripathi et al. · 2024
Cited by 1
Nithiyananthan Kannan · RePEc: Research Papers in Economics
A microgrid has a group of electrical generation and various types of loads operated as single controllable power system. Microgrid is a best option for configuration of recent model power grids. Microgrids are capable of work in parallel with the existing grid as well as off grid as isolated mode. The microgrid enables the grid connection as either AC grid or DC grid and it provides connections of variable AC and DC sources with loads. Microgrid has modeled such a way that it avoids multiple reverse connections. Power electronic devices such as converters and inverters are ensures safe operation and control of the microgrid. The proper modeling and simulation results ensure the successful implementation of microgrid. The challenges involved in implementation and the modeling of AC/DC and hybrid grid in the tied mode have been discussed. The simulation modeling of the microgrid in MATLAB/SIMULINK platform is explained with neat circuit diagram. This chapter provides the readers complete and comprehensive overview about microgrids and their different modes of operations.
Cited by 0
Nithiyananthan Kannan · IntechOpen eBooks · 2019
A microgrid has a group of electrical generation and various types of loads operated as single controllable power system. Microgrid is a best option for configuration of recent model power grids. Microgrids are capable of work in parallel with the existing grid as well as off grid as isolated mode. The microgrid enables the grid connection as either AC grid or DC grid and it provides connections of variable AC and DC sources with loads. Microgrid has modeled such a way that it avoids multiple reverse connections. Power electronic devices such as converters and inverters are ensures safe operation and control of the microgrid. The proper modeling and simulation results ensure the successful implementation of microgrid. The challenges involved in implementation and the modeling of AC/DC and hybrid grid in the tied mode have been discussed. The simulation modeling of the microgrid in MATLAB/SIMULINK platform is explained with neat circuit diagram. This chapter provides the readers complete and comprehensive overview about microgrids and their different modes of operations.
Cited by 2Open access
Khan, Baseem 1987-, Kamel, Salah, Dominguez-Garcia, Jose Luis · Elsevier eBooks · 2025
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Xueliang Xing, Limin Jia · 2023
<p>Considered as basic structures of next-generation energy system, environment-friendly and flexible microgrid (MG) systems are potential solutions to deal with stochastic renewable energy sources (RESs). The essence of management is to maximize the benefits of available resources through coordination and optimization, which also applies to energy systems. Adaptable energy management approaches provide the possibility to construct effective and various energy interaction. The purpose of this paper is to present a systematic review of energy management in MG systems, and further to propose an energy management model. Therefore, this paper first comprehensively reviews recent research studies on MG, particularly in the interconnected mode (called as multi-microgrid, MMG). Based on the analysis of relative literatures, a STEER (stability, touch, efficiency, evenness, and resilience) strategy is proposed and formulated from the perspective of energy utilization for energy management. Then, critical technologies in energy management are reviewed and summarized from the aspects of control, communication, optimization, prediction, and evaluation. Furthermore, energy management system is illustrated from the perspectives of system function, management framework and operation logic, based on a four-layer hierarchical architecture. Eight main prospects on the future trend of energy management in MG and MMG are also presented.</p>
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cassandra.vazquez · 2021
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Rajan Singaravel, Allamsetty Hema Chander, S. Natarajan · River Publishers eBooks · 2025
This chapter explores the evolution and hierarchical architecture of micro-grids (MGs), emphasizing their significance in the context of distributed generation and electric vehicles integration. The demand for sustainable and resilient power systems is increasing, and microgrids are emerging as essential solutions that facilitate the integration of renewable energy sources and improve grid reliability. The chapter begins with an introduction to microgrids, outlining the key drivers behind their development, such as the need for energy independence, environmental sustainability, and improved energy management. A comprehensive classification of microgrids is provided, categorized based on market segments and system topology, which highlights their diverse applications and operational frameworks. In addition to the classification, the chapter delves into the critical components of micro-grids, including loads, distributed energy resources (DERs), and distributed energy storage (DES). These elements play a vital role in managing energy flow and optimizing system performance. A significant focus of the chapter is on the microgrid control system, which is organized into hierarchical levels: primary, secondary, and tertiary control. The chapter elaborates on specialized control strategies that include voltage regulation, converter control, and energy management techniques. It also discusses the implementation of these controls to ensure stable and efficient operation of microgrids. By 148outlining the evolution, structure, and control mechanisms of microgrids, this chapter contributes to the understanding of how distributed generation can be effectively managed to create a more resilient and sustainable energy future.
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Xueliang Xing, Limin Jia · IET Renewable Power Generation · 2023
Abstract Considered as basic structures of next‐generation energy system, environment‐friendly and flexible microgrid (MG) systems are potential solutions to address integration issues of stochastic renewable energy sources. Adaptable energy management approaches provide the possibility to construct effective and various energy interaction. The purpose of this paper is to present a problem‐oriented review of energy management in MG systems. This paper first comprehensively reviews recent research studies on MG, particularly in multi‐microgrid (MMG). Then, this paper proposes a concept of energy utilization model for energy management, which includes a discussion of modern concepts including MG, MMG along with picogrid, nanogrid and virtual power plant. And a synthetic energy management framework including stability, touch, efficiency, evenness, and resilience dimensions is proposed and formulated based on energy utilization mode. Then energy management system is illustrated from the perspectives of system function, management architecture, operation logic and data analysis, and further, a systematic four‐layer hierarchical architecture of management systems for whole MG and MMG systems is proposed. Moreover, key technologies in energy management are summarized and reviewed from the aspects of control, communication, prediction, optimization, and evaluation. Last, eight main prospects on the future trend of energy management in MG and MMG are also presented.
Cited by 24Open access
Xueliang Xing, Limin Jia · 2023
<p>Considered as basic structures of next-generation energy system, environment-friendly and flexible microgrid (MG) systems are potential solutions to deal with stochastic renewable energy sources (RESs). The essence of management is to maximize the benefits of available resources through coordination and optimization, which also applies to energy systems. Adaptable energy management approaches provide the possibility to construct effective and various energy interaction. The purpose of this paper is to present a systematic review of energy management in MG systems, and further to propose an energy management model. Therefore, this paper first comprehensively reviews recent research studies on MG, particularly in the interconnected mode (called as multi-microgrid, MMG). Based on the analysis of relative literatures, a STEER (stability, touch, efficiency, evenness, and resilience) strategy is proposed and formulated from the perspective of energy utilization for energy management. Then, critical technologies in energy management are reviewed and summarized from the aspects of control, communication, optimization, prediction, and evaluation. Furthermore, energy management system is illustrated from the perspectives of system function, management framework and operation logic, based on a four-layer hierarchical architecture. Eight main prospects on the future trend of energy management in MG and MMG are also presented.</p>
Cited by 1Open access
Muhammad Sufyan (6335450), Nasrudin Abd Rahim (6335453), ChiaKwang Tan (6335456) et al. · Figshare · 2019
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Ali Hooshyar, Reza Iravani · Proceedings of the IEEE · 2017
The proliferation of distributed energy resources is setting the stage for modern distribution systems to operate as microgrids, which can avoid power disruptions and serve as resources for fast recovery during macrogrid disturbances. Microgrids are, therefore, major assets to improve the grid resilience. However, the offered resilience is seriously undermined if microgrids are not properly protected in the event of faults within their own boundaries. Distribution protective devices cannot reliably protect microgrids due to the variable and often limited short-circuit capacities of microgrids. Moreover, the research on microgrid protection has not led to a commercially available microgrid relay to date and has little prospect of reaching that level in the near future. As a result, the existing options for reliable microgrid protection remain effectively the subtransmission and transmission system protective devices, e.g., directional overcurrent, distance, and differential relays. Although years of operation in macrogrids support these relays, their performance for microgrids is yet to be analyzed. This paper presents such analysis for different relay types by considering various fault and generation conditions in a microgrid. Time-domain simulations are used to identify the scenarios where the relays function correctly as well as the problematic conditions, on which future research should focus. This paper also presents a short review on direct current (dc) microgrids and their protection requirements.
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A. Oudalov, T. Degner, F. van Overbeeke et al. · 2013
This chapter presents a protection solution for microgrids that can overcome some of the problems related to protection of microgrids. This is based on automatic adaptive protection, that is, change of protection settings depending on the microgrid configuration based on pre‐calculated or on real‐time calculated settings. The implementation of an adaptive protection system can be deployed with a centralized or decentralized approach, depending on the distribution of functionalities. The chapter focuses on the centralized approach. It also analyzes the installation of an independent system that supplies a fault current in the microgrid dominated by DERs with PE interfaces, for example, PV panels. The increase in the fault current level helped by a dedicated device, especially in isolated operation of microgrids dominated by power electronics interfaced DER, is explained. Finally, the possible use of fault current limitation is discussed.
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Mike Lankamp, Mike Lankamp, Chris R. Jesshope et al. · 2007
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OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 2017
Think smallCities, utilities, businesses, universities, and the U.S. military are turning to microgrids for supplemental and backup power.It isn't hard to see why.Microgrids offer the flexibility, quick response and control, and security that the larger grid can't.They also respond to customers' desire for more local control of their energy and a greater percentage of renewables powering their homes and businesses. Microgrid testing at the ESIFResearch at the Energy Systems Integration Facility (ESIF) focuses on getting microgrids and microgrid technologies from the factory into the field.The ESIF allows manufacturers and integrators to test out their technology or configuration at actual power before implementation-something only possible at a handful of facilities in the world.In addition, the ESIF is able to add an important communications layer that connects a real-time simulated network and network devices to the power devices and systems under test.This cyber-physical test platform makes it possible to test not only factors like microgrid power quality and transitions between modes, but also communications protocols and latency and bandwidth requirements for the microgrid controller.
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