Dc Distribution Systems And Microgrids
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Author |
: Tomislav Dragičević |
Publisher |
: Institution of Engineering and Technology |
Total Pages |
: 470 |
Release |
: 2018-10-05 |
ISBN-10 |
: 9781785613821 |
ISBN-13 |
: 1785613820 |
Rating |
: 4/5 (21 Downloads) |
Synopsis DC Distribution Systems and Microgrids by : Tomislav Dragičević
DC electric power distribution systems have higher efficiency, better current carrying capacity and faster response when compared to conventional AC systems. They also provide a more natural interface with many types of renewable energy sources. Furthermore, there are fewer issues with reactive power flow, power quality and frequency regulation, resulting in a notably less complex control system. All these facts lead to increased applications of DC systems in modern power systems. Still, design and operation of these systems imposes a number of specific challenges, mostly related to lack of mature protection technology and operational experience, as well as very early development stage of standards regarding DC based power infrastructure.
Author |
: Nikita Gupta |
Publisher |
: John Wiley & Sons |
Total Pages |
: 484 |
Release |
: 2022-05-26 |
ISBN-10 |
: 9781119777595 |
ISBN-13 |
: 1119777593 |
Rating |
: 4/5 (95 Downloads) |
Synopsis DC Microgrids by : Nikita Gupta
DC MICROGRIDS Written and edited by a team of well-known and respected experts in the field, this new volume on DC microgrids presents the state-of-the-art developments and challenges in the field of microgrids for sustainability and scalability for engineers, researchers, academicians, industry professionals, consultants, and designers. The electric grid is on the threshold of a paradigm shift. In the past few years, the picture of the grid has changed dramatically due to the introduction of renewable energy sources, advancements in power electronics, digitalization, and other factors. All these megatrends are pointing toward a new electrical system based on Direct Current (DC). DC power systems have inherent advantages of no harmonics, no reactive power, high efficiency, over the conventional AC power systems. Hence, DC power systems have become an emerging and promising alternative in various emerging applications, which include distributed energy sources like wind, solar and Energy Storage System (ESS), distribution networks, smart buildings, remote telecom systems, and transport electrification like electric vehicles (EVs). All these applications are designed at different voltages to meet their specific requirements individually because of the lack of standardization. Thus, the factors influencing the DC voltages and system operation needed to be surveyed and analyzed, which include voltage standards, architecture for existing and emerging applications, topologies and control strategies of power electronic interfaces, fault diagnosis and design of the protection system, optimal economical operation, and system reliability.
Author |
: Deepak Kumar Fulwani |
Publisher |
: Springer |
Total Pages |
: 124 |
Release |
: 2016-10-01 |
ISBN-10 |
: 9789811020711 |
ISBN-13 |
: 981102071X |
Rating |
: 4/5 (11 Downloads) |
Synopsis Mitigation of Negative Impedance Instabilities in DC Distribution Systems by : Deepak Kumar Fulwani
This book focuses on the mitigation of the destabilizing effects introduced by constant power loads (CPLs) in various non-isolated DC/DC converters and island DC microgrids using a robust non-linear sliding mode control (SMC) approach. This book validates theoretical concepts using real-time simulation studies and hardware implementations. Novel sliding mode controllers are proposed to mitigate negative impedance instabilities in DC/DC boost, buck, buck-boost, bidirectional buck-boost converters, and islanded DC microgrids. In each case, the condition for the large-signal stability of the converter feeding a CPL is established. An SMC-based nonlinear control scheme for an islanded DC microgrid feeding CPL dominated load is proposed so as to mitigate the destabilizing effect of CPL and to ensure system stability under various operating conditions. A limit on CPL power is also established to ensure system stability. For all proposed solutions, simulation studies and hardware implementations are provided to validate the effectiveness of the proposed sliding mode controllers.
Author |
: Sunetra Chowdhury |
Publisher |
: IET |
Total Pages |
: 321 |
Release |
: 2009-06-24 |
ISBN-10 |
: 9781849190145 |
ISBN-13 |
: 1849190143 |
Rating |
: 4/5 (45 Downloads) |
Synopsis Microgrids and Active Distribution Networks by : Sunetra Chowdhury
Microgrids and Active Distribution Networks offer a potential solution for sustainable, energy-efficient power supply to cater for increasing load growth, supplying power to remote areas, generation of clean power and reduction in emission of greenhouse gases & particulates as per Kyoto protocol.
Author |
: Alejandro Garces |
Publisher |
: Academic Press |
Total Pages |
: 390 |
Release |
: 2021-07-01 |
ISBN-10 |
: 9780128221020 |
ISBN-13 |
: 012822102X |
Rating |
: 4/5 (20 Downloads) |
Synopsis Modeling, Operation, and Analysis of DC Grids by : Alejandro Garces
Modeling, Operation, and Analysis of DC Grids presents a unified vision of direct current grids with their core analysis techniques, uniting power electronics, power systems, and multiple scales of applications. Part one presents high power applications such as HVDC transmission for wind energy, faults and protections in HVDC lines, stability analysis and inertia emulation. The second part addresses current applications in low voltage such as microgrids, power trains and aircraft applications. All chapters are self-contained with numerical and experimental analysis. - Provides a unified, coherent presentation of DC grid analysis based on modern research in power systems, power electronics, microgrids and MT-HVDC transmission - Covers multiple scales of applications in one location, addressing DC grids in electric vehicles, microgrids, DC distribution, multi-terminal HVDC transmission and supergrids - Supported by a unified set of MATLAB and Simulink test systems designed for application scenarios
Author |
: |
Publisher |
: |
Total Pages |
: 96 |
Release |
: 2015 |
ISBN-10 |
: OCLC:925454414 |
ISBN-13 |
: |
Rating |
: 4/5 (14 Downloads) |
Synopsis DC Microgrids Scoping Study--Estimate of Technical and Economic Benefits by :
Microgrid demonstrations and deployments are expanding in US power systems and around the world. Although goals are specific to each site, these microgrids have demonstrated the ability to provide higher reliability and higher power quality than utility power systems and improved energy utilization [1] [2][3]. The vast majority of these microgrids are based on AC power transfer because this has been the traditionally dominant power delivery scheme. Independently, manufacturers, power system designers and researchers are demonstrating and deploying DC power distribution systems for applications where the end-use loads are natively DC [4], e.g., computers [5], solid-state lighting [6], and building networks [6]. These early DC applications may provide higher efficiency, added flexibility, reduced capital costs over their AC counterparts. Further, when onsite renewable generation, electric vehicles and storage systems are present, DC-based microgrids may offer additional benefits [7]. Early successes from these efforts raises a question--can a combination of microgrid concepts and DC distribution systems provide added benefits beyond what has been achieved individually?
Author |
: Fazel Mohammadi |
Publisher |
: MDPI |
Total Pages |
: 154 |
Release |
: 2020-12-02 |
ISBN-10 |
: 9783039361809 |
ISBN-13 |
: 3039361805 |
Rating |
: 4/5 (09 Downloads) |
Synopsis Integration of AC/DC Microgrids into Power Grids by : Fazel Mohammadi
AC/DC Microgrids are a small part of low voltage distribution networks that are located far from power substations, and are interconnected through the point of common coupling to power grids. These systems are important keys for the flexible, techno-economic, and environmental-friendly generation of units for the reliable operation and cost-effective planning of smart electricity grids. Although AC/DC microgrids, with the integration of renewable energy resources and other energy systems, such as power-to-gas, combined heat and power, combined cooling heat and power, power-to-heat, power-to-vehicle, pump and compressed air storage, have several advantages, there are some technical aspects that must be addressed. This Special Issue aims to study the configuration, impacts, and prospects of AC/DC microgrids that enable enhanced solutions for intelligent and optimized electricity systems, energy storage systems, and demand-side management in power grids with an increasing share of distributed energy resources. It includes AC/DC microgrid modeling, simulation, control, operation, protection, dynamics, planning, reliability and security, as well as considering power quality improvement, load forecasting, market operations, energy conversion, cyber/physical security, supervisory and monitoring, diagnostics and prognostics systems.
Author |
: Xiaonan Lu |
Publisher |
: Wiley-IEEE Press |
Total Pages |
: 0 |
Release |
: 2023-07-05 |
ISBN-10 |
: 1119390826 |
ISBN-13 |
: 9781119390824 |
Rating |
: 4/5 (26 Downloads) |
Synopsis Integrated Distribution Systems with AC/DC/Hybrid Microgrids by : Xiaonan Lu
This book presents foundational technologies and background knowledge in the field of AC/DC/hybrid microgrids. It then goes on to describe technical advances and emerging technologies. The authors focus on planning, control and operation of integrated distribution systems with AC/DC/hybrid microgrids. Here, the integrated distribution system refers to the modern distribution system with distributed energy resource (DER) and microgrid integration. Rather than solely relying on AC or DC subsystems, the book covers both AC, DC and hybrid microgrids in integrated distribution systems in order to introduce a comprehensive solution.
Author |
: Yong Li |
Publisher |
: Springer Nature |
Total Pages |
: 226 |
Release |
: 2023-04-19 |
ISBN-10 |
: 9789819907533 |
ISBN-13 |
: 9819907535 |
Rating |
: 4/5 (33 Downloads) |
Synopsis Stability Analysis, Flexible Control and Optimal Operation of Microgrid by : Yong Li
This book intends to report the new results of the microgrid in stability analysis, flexible control and optimal operation. The oscillatory stability issue of DC microgrid is explored and further solved. Flexible and stable voltage & frequency control of microgrid is put forward considering the distributed generations or distributed energy storages. The optimal operation of multi-energy is researched in view of economic efficiency and low-carbon development. The results of this book are original from authors who carry out the related research together for a long time, which is a comprehensive summary for authors’ latest research results. The book is likely to be of interest to university researchers, electrical engineers and graduate students in power systems, power electronics, renewable energy and microgrid.
Author |
: Manuela Sechilariu |
Publisher |
: Butterworth-Heinemann |
Total Pages |
: 308 |
Release |
: 2016-05-10 |
ISBN-10 |
: 9780128037874 |
ISBN-13 |
: 0128037873 |
Rating |
: 4/5 (74 Downloads) |
Synopsis Urban DC Microgrid by : Manuela Sechilariu
Urban DC Microgrid: Intelligent Control and Power Flow Optimization focuses on microgrids for urban areas, particularly associated with building-integrated photovoltaic and renewable sources. This book describes the most important problems of DC microgrid application, with grid-connected and off-grid operating modes, aiming to supply DC building distribution networks. The book considers direct current (DC) microgrid to supply DC building distribution networks for positive energy buildings; dynamic interactions with the utility grid based on communication with the smart grid; supervisory control systems; and energy management. The global power system is exposed and the DC microgrid system is presented and analyzed with results and discussion, highlighting both the advantages and limitations of the concept. Coverage at the system level of microgrid control as well as the various technical aspects of the power system components make this a book interesting to academic researchers, industrial energy researchers, electrical power and power system professionals. - Provides a strong overview of microgrid modelling - Describes the most important problems of DC microgrid application, with grid-connected and off-grid operating modes, aiming to supply DC building distribution networks - Offers experimental problem examples and results - Includes supervisory control and energy management