Hierarchical Power Systems: Optimal Operation Using Grid Flexibilities

Hierarchical Power Systems: Optimal Operation Using Grid Flexibilities
Author: Tim Aschenbruck
Publisher: Springer Nature
Total Pages: 60
Release: 2023-03-18
Genre: Technology & Engineering
ISBN: 3031256999
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This book explains the power grid as a hierarchy made up of the transmission, distribution, and microgrid levels. Interfaces among these levels are explored to show how flexibility in power demand associated with residential batteries can be communicated through the entire grid to facilitate optimal power flow computations within the transmission grid. To realize this approach, the authors combine semi-definite optimal power flow with model-order reduction at the distribution level and with a new heuristic algorithm for stable power flow at the transmission level. To demonstrate its use, a numerical case study based on modified IEEE 9-bus and 33-bus systems for the transmission and distribution grid, respectively, is included. This book shows how exploiting the flexibility on the residential level improves the performance of the power flow with the transmission grid.

Resilient Operation of Distribution Grids with Distributed-Hierarchical Architecture

Resilient Operation of Distribution Grids with Distributed-Hierarchical Architecture
Author: Elisabeth Drayer
Publisher: kassel university press GmbH
Total Pages: 199
Release: 2018-11-20
Genre:
ISBN: 3737605920
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This thesis is about the design and the implementation of a resilient grid operation for the distribution grid. This research question is induced by the advancing of three trends: Decarbonisation, decentralisation and digitalisation. These three trends transform the hitherto passive distribution grid into an active system that contains an active operation. The term “resilience” describes capabilities of the system to absorb, to adapt, and to recover from faults and disturbances. This concept is realised on the one hand with the choice of the operation architecture, on the other hand for the choice of possible methods and functions. This thesis develops a distributed-hierarchical operation architecture. For this architecture several methods have been developed that optimally benefit from the operation architecture and that allow the fully automated operation of the distribution grid. For that purpose a heuristic optimisation has been developed to solve problems like voltage profile violations and congestions. Another important method, especially with regard to resilience, is the self-healing capability to resupply clients after permanent faults.

Optimization of Power System Operation

Optimization of Power System Operation
Author: Jizhong Zhu
Publisher: John Wiley & Sons
Total Pages: 750
Release: 2016-12-08
Genre: Technology & Engineering
ISBN: 1118993365
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Optimization of Power System Operation, 2nd Edition, offers a practical, hands-on guide to theoretical developments and to the application of advanced optimization methods to realistic electric power engineering problems. The book includes: New chapter on Application of Renewable Energy, and a new chapter on Operation of Smart Grid New topics include wheeling model, multi-area wheeling, and the total transfer capability computation in multiple areas Continues to provide engineers and academics with a complete picture of the optimization of techniques used in modern power system operation

Integration of Distributed Resources in Smart Grids for Demand Response and Transactive Energy

Integration of Distributed Resources in Smart Grids for Demand Response and Transactive Energy
Author: Meng Song
Publisher: Springer Nature
Total Pages: 278
Release: 2021-11-30
Genre: Technology & Engineering
ISBN: 9811671702
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The proliferation of renewable energy enhances the sustainability of power systems, but the inherent variability also poses great challenges to the planning and operation of large power grids. The corresponding electric power deficiencies can be compensated by fast ramping generators and energy storage devices. However, frequent ramp up/down power adjustments can increase the operation and the maintenance cost of generators. Moreover, storage devices are regarded as costly alternatives. Demand response (DR) and transactive energy can address this problem owing to its attractive and versatile capability for balancing the supply-demand, improving energy efficiency, and enhancing system resilience. Distributed resources are the typical participants of DR and transactive energy programs, which greatly contribute to keep the supply and demand in a balance. Thermostatically controlled loads (TCLs) (i.e., air conditioners, water heaters, and refrigerators) represent an example of distributed resources, the ratio of which to the total power consumption in developed countries is up to 30%–40%. Providing tremendous potentials in adjustable power consumption, TCLs have attracted major interests in DR and transactive energy opportunities. It has highlighted the advantages of TCLs in responding to uncertainties in power systems. This book provides an insight of TCLs as typical distributed resources in smart grids for demand response and transactive energy to address the imbalance between supply and demand problems in power systems. The key points on analysis of uncertainty parameters, aggregated control models, battery modelling, multi-time scale control, transactive control and robust restoration of TCLs are all included. These are the research points of smart grids and deserve much attention. We believe this book will offer the related researcher a better understanding on the integration of distributed resources into smart grid for demand response and transactive energy. And it will be helpful to address the problems in practical projects.

Distributed Energy Resources in Local Integrated Energy Systems

Distributed Energy Resources in Local Integrated Energy Systems
Author: Giorgio Graditi
Publisher: Elsevier
Total Pages: 452
Release: 2021-02-27
Genre: Technology & Engineering
ISBN: 0128242140
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Distributed Energy Resources in Local Integrated Energy Systems: Optimal Operation and Planning reviews research and policy developments surrounding the optimal operation and planning of DER in the context of local integrated energy systems in the presence of multiple energy carriers, vectors and multi-objective requirements. This assessment is carried out by analyzing impacts and benefits at local levels, and in distribution networks and larger systems. These frameworks represent valid tools to provide support in the decision-making process for DER operation and planning. Uncertainties of RES generation and loads in optimal DER scheduling are addressed, along with energy trading and blockchain technologies. Interactions among various energy carriers in local energy systems are investigated in scalable and flexible optimization models for adaptation to a number of real contexts thanks to the wide variety of generation, conversion and storage technologies considered, the exploitation of demand side flexibility, emerging technologies, and through the general mathematical formulations established. Integrates multi-energy DER, including electrical and thermal distributed generation, demand response, electric vehicles, storage and RES in the context of local integrated energy systems Fosters the integration of DER in the electricity markets through the concepts of DER aggregation Addresses the challenges of emerging paradigms as energy communities and energy blockchain applications in the current and future energy landscape Proposes operation optimization models and methods through multi-objective approaches for fostering short- and long-run sustainability of local energy systems Assesses and models the uncertainties of renewable resources and intermittent loads in the short-term decision-making process for smart decentralized energy systems

Decentralized Frameworks for Future Power Systems

Decentralized Frameworks for Future Power Systems
Author: Mohsen Parsa Moghaddam
Publisher: Academic Press
Total Pages: 502
Release: 2022-05-12
Genre: Technology & Engineering
ISBN: 0323985629
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Decentralized Frameworks for Future Power Systems: Operation, Planning and Control Perspectives is the first book to consider the principles and applications of decentralized decision-making in future power networks. The work opens by defining the emerging power system network as a system-of-systems (SoS), exploring the guiding principles behind optimal solutions for operation and planning problems. Chapters emphasize the role of regulations, prosumption behaviors, and the implementation of transactive energy processes as key components in decentralizing power systems. Contributors explore local markets, distribution system operation and proactive load management. The role of cryptocurrencies in smoothing transactive distributional challenges are presented. Final sections cover energy system planning, particularly in terms of consumer smart meter technologies and distributed optimization methods, including artificial intelligence, meta-heuristic, heuristic, mathematical and hybrid approaches. The work closes by considering decentralization across the cybersecurity, distributed control, market design and power quality optimization vertices. Develops a novel framework for transactive energy management to enhance flexibility in future power systems Explores interactions between multiple entities in local power markets based on a distributed optimization approach Focuses on practical optimization, planning and control of smart grid systems towards decentralized decision-making

Power System Flexibility

Power System Flexibility
Author: Ming Zhou
Publisher: Springer Nature
Total Pages: 279
Release: 2023-03-01
Genre: Technology & Engineering
ISBN: 9811990751
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This book provides a detailed description of the flexibility of the power system with high share of variable renewable generation, including power system flexibility modeling, flexibility-based economic dispatch, demand side flexibility response, large-scale distributed flexible resources aggregation and market design for enhancing the flexibility of the power system, etc. The book provides an appropriate blend of theoretical background and practical applications of the power system flexibility, which are developed as working algorithms, coded in MATLAB and GAMS environments. This feature strengthens the usefulness of the book for graduate students and practitioners. Students will gain an insightful understanding of the flexibility of the power system with high share of renewables integration, including: (1) the formulation of flexibility modeling and flexibility-based economic dispatch models, (2) the familiarization with efficient solution algorithms for such models, (3) insights into these problems through the detailed analysis of numerous illustrative examples and (4) market design approach for enhancing the flexibility of the power system. Hopefully, this book greatly benefits readers in the fields of energy economics and engineering.

Flexibility in Electric Power Distribution Networks

Flexibility in Electric Power Distribution Networks
Author: Hassan Haes Alhelou
Publisher: CRC Press
Total Pages: 434
Release: 2021-07-15
Genre: Technology & Engineering
ISBN: 1000407624
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Discusses flexibility issues in modern and future Smart power systems. Discusses flexible smart distribution grid with renewable-based distributed generation. Explains high penetration level of renewable energy sources and flexibility issues. Highlights flexibility based on energy storages, demand response, and plug-in electric vehicles. Describes Flexibility sources in modern power systems.

Hierarchical Modeling of Energy Systems

Hierarchical Modeling of Energy Systems
Author: Nikolai I. Voropai
Publisher: Elsevier
Total Pages: 542
Release: 2023-08-18
Genre: Business & Economics
ISBN: 0443139164
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Hierarchical Modeling of Energy Systems presents a detailed methodology for hierarchical modeling of large-scale complex systems with a focus on energy systems and their expansion planning and control. General methodological principles of hierarchical modeling are analyzed, and based on this analysis, a generalized technology for the hierarchical approach is presented. The mathematical foundations of decomposition and bi-level programming, as well as the possibility of using information technologies are also considered. The theoretical propositions are demonstrated by numerous hierarchical modeling examples aimed at planning the development of the energy sector and expansion of energy systems, analyzing, and optimizing these systems, and controlling their operation. In addition, codes and sample simulations are included throughout. This is an invaluable guide for researchers, engineers, and other specialists involved in the development, control and management of energy systems, while the summary of fundamental principles and concepts in energy modeling makes this an accessible learning tool for graduate students on any course involving energy systems or energy modeling. Summarizes hierarchical modeling principles and methods Critically evaluates all energy systems including electric power systems, heat supply systems, gas, and coal supply systems, integrated and cogeneration systems, its interrelations and more Examines expansion planning, development and operation, control and management of energy systems Provides a detailed mathematical descriptions of models, computation algorithms, and optimization problems

Integrated Local Energy Communities

Integrated Local Energy Communities
Author: Marialaura Di Somma
Publisher: John Wiley & Sons
Total Pages: 466
Release: 2024-11-19
Genre: Science
ISBN: 352735235X
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Introducing a framework for obtaining and maintaining renewable energy security at the local community level Local energy communities are a framework for assembling and coordinating major stakeholders, individual, corporate, and institutional, in the pursuit of long-term renewable energy projects in a given area. They are aimed at community benefits rather than profit, and have become an invaluable tool in the fight to reimagine the global power grid, one community at a time. With climate change making this fight ever more urgent, integrated local energy communities (ILECs) have never been a more important social force. Integrated Local Energy Communities offers a framework for designing, planning, and operating one of these communities from end to end. Incorporating regulatory and policy issues, the mechanics of local multi-carrier energy systems, and more, it provides viable solutions to one of the most urgent energy challenges of our time. The result is an indispensable contribution to a potentially transformative process. Integrated Local Energy Communities readers will also find: Comprehensive coverage of all types of energy conversion Analysis of the entire value chain, from concepts to planning to operation Discussion of all key actors for integrating the ILEC energy paradigm at the local level Integrated Local Energy Communities is ideal for power engineers, electrical engineers, engineering scientists working in consultancy and industry, as well as the libraries that serve them.