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Author : Robert H. Enders
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (141 download)
Download or read book Power System Load Modeling for Frequency Mediated Control written by Robert H. Enders and published by . This book was released on 1985 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hossein Seifi
Publisher : Springer
ISBN 13 : 981132980X
Total Pages : 70 pages
Book Rating : 4.8/5 (113 download)
Download or read book Model Validation for Power System Frequency Analysis written by Hossein Seifi and published by Springer. This book was released on 2018-10-16 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the role of model validation of power system planning and operation to optimize its performance in terms of frequency control. It presents the detailed model validation for the Iranian Power Grid system, where the frequency performance was analysed and improved using existing and new standard models to identify the influencing parameters. Although the model validation was employed for a specific, practical large-scale system, the framework (concepts, methods, and formulations) can be used for by any type of power system. As such, this book describing a generalized framework for model validation with a real case study is useful for both power industry experts and academia.
Author : Yao Zhang
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (436 download)
Download or read book Load Frequency Control of Multiple-area Power Systems written by Yao Zhang and published by . This book was released on 2009 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: In an interconnected power system, as a power load demand varies randomly, both area frequency and tie-line power interchange also vary. The objectives of load frequency control (LFC) are to minimize the transient deviations in theses variables (area frequency and tie-line power interchange) and to ensure their steady state errors to be zeros. When dealing with the LFC problem of power systems, unexpected external disturbances, parameter uncertainties and the model uncertainties of the power system pose big challenges for controller design. Active disturbance rejection control (ADRC), as an increasingly popular practical control technique, has the advantages of requiring little information from the plant model and being robust against disturbances and uncertainties. This thesis presents a solution to the LFC problem based on ADRC. The controller is constructed for a three-area power system with different turbine units including non-reheat, reheat and hydraulic units in different areas. The dynamic model of the power system and the controller design based on the model are elaborated in the thesis. Simulation results and frequency-domain analyses proved that ADRC controller is attractive to the LFC problem in its stability and robustness.
Author : Hassan A. Yousef
Publisher : CRC Press
ISBN 13 : 1351679562
Total Pages : 189 pages
Book Rating : 4.3/5 (516 download)
Download or read book Power System Load Frequency Control written by Hassan A. Yousef and published by CRC Press. This book was released on 2017-03-16 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title presents a balanced blend between classical and intelligent load frequency control techniques, which is detrminant for continous supply of power loads. The classical control techniques introduced in this book include PID, pole placement, observer-based state feedback, static and dynamic output feedback controllers while the intelligent control techniques explained here are of adaptive fuzzy control types. This book will analyze and design different decentralized LF controllers in order to maintain the frequency deviations of each power area within the limits and keep the tie-line power flow between different power areas at the scheduled levels.
Author : Abidemi Solomon Ajiborisha
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (127 download)
Download or read book Model Predictive Load Frequency Control Methods with Battery Energy Storage in Future Power Systems written by Abidemi Solomon Ajiborisha and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A B M. Samsuzzaman
Publisher :
ISBN 13 :
Total Pages : 125 pages
Book Rating : 4.:/5 (127 download)
Download or read book Load Frequency Control in Power Systems: Distributed Model Predictive Control Approach Via Cooperative Game Theory written by A B M. Samsuzzaman and published by . This book was released on 2016 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lorne Arthur Le Roy Fisher
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (229 download)
Download or read book Voltage and Frequency Characteristics of a Power System Load Model written by Lorne Arthur Le Roy Fisher and published by . This book was released on 1970 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tarek Hassan Mohamed
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Adaptive Load Frequency Control in Power Systems Using Optimization Techniques written by Tarek Hassan Mohamed and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: At present, simple and classical tuned controllers are widely used in the power system load frequency control (LFC) application. Existing LFC system parameters are usually tuned based on experiences, classical methods, and trial and error approaches, and they are incapable of providing good dynamic performance over a wide range of operating conditions and various load scenarios. Therefore, the novel modeling and control approaches are strongly required, to obtain a new trade-off between efficiency and robustness. Thus, the proposed techniques in this chapter are referred to be an adaptive control technique based on new optimization methods such as Jaya, Practical Swarm Optimization Algorithm, etc., which are used to make an on-line tuning of the LFC parameters in order to face the previous challenges in LFC. The system under study is a small microgrid with a renewable energy source and variable demand load. Digital simulation results are discussed.
Author : Mehdi Ehsan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (1 download)
Download or read book Power system modelling for real-time load-frequency control studies written by Mehdi Ehsan and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ernest Uyioghosa Igbineweka
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (12 download)
Download or read book Model Predictive Control for Load Frequency Control of an Interconnected Power System written by Ernest Uyioghosa Igbineweka and published by . This book was released on 2019 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Henry Hung-Lin Fai
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (217 download)
Download or read book Load Frequency Control Analysis for an Interconnected Power System written by Henry Hung-Lin Fai and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tharangika Bambaravanage
Publisher : Springer
ISBN 13 : 9811049106
Total Pages : 191 pages
Book Rating : 4.8/5 (11 download)
Download or read book Modeling, Simulation, and Control of a Medium-Scale Power System written by Tharangika Bambaravanage and published by Springer. This book was released on 2017-10-17 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the most important aspects of mathematical modeling, computer simulation, and control of medium-scale power systems. It discusses a number of practical examples based on Sri Lanka’s power system, one characterized by comparatively high degrees of variability and uncertainty. Recently introduced concepts such as controlled disintegration to maintain grid stability are discussed and studied using simulations of practical scenarios. Power systems are complex, geographically distributed, dynamical systems with numerous interconnections between neighboring systems. Further, they often comprise a generation mix that includes hydro, thermal, combined cycle, and intermittent renewable plants, as well as considerably extended transmission lines. Hence, the detailed analysis of their transient behaviors in the presence of disturbances is both highly theory-intensive and challenging in practice. Effectively regulating and controlling power system behavior to ensure consistent service quality and transient stability requires the use of various schemes and systems. The book’s initial chapters detail the fundamentals of power systems; in turn, system modeling and simulation results using Power Systems Computer Aided Design/Electromagnetic Transients including DC (PSCAD/EMTDC) software are presented and compared with available real-world data. Lastly, the book uses computer simulation studies under a variety of practical contingency scenarios to compare several under-frequency load-shedding schemes. Given the breadth and depth of its coverage, it offers a truly unique resource on the management of medium-scale power systems.
Author : ʻAlī Kayhānī
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (115 download)
Download or read book Stochastic Load Modeling and Optimal Dynamic Generation Control in Power Systems written by ʻAlī Kayhānī and published by . This book was released on 1975 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Visweswara Rao Annamraju
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (461 download)
Download or read book Analysis of Load Frequency Control System of an Interconnected Power System written by Visweswara Rao Annamraju and published by . This book was released on 1973 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adelhard Beni Rehiara
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book An Adaptive Load Frequency Control Based on Least Square Method written by Adelhard Beni Rehiara and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern power system becomes a complex system consisted with various load and power stations. Therefore, it may spread into some areas of power system in neighborhood, and so a load frequency control (LFC) is a necessity device to regulate the frequency of the power system by distributing the load to the generating units and controlling tie-line power interchange between areas. The integration of renewable energy sources (RES) into a power grid has presented important issues about stability and security of power system. In such conditions, the use of conventional LFC may not be sufficient to protect the power system against the power changes. In this chapter, an adaptive LFC controller is proposed using the least square method (LSM). The controller adopts an internal model control (IMC) structure in two scenarios, i.e., static controller gain with adaptive internal model and both the adaptive controller gain and adaptive internal model. A two-area power system is used to test and to validate both performance and the effectiveness of this controller through some case studies.
Author : Weijie Shen
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (114 download)
Download or read book Optimal Decentralized Load Frequency Control for Power System written by Weijie Shen and published by . This book was released on 2018 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Load frequency control or LFC is a fundamental mechanism for maintaining the stability of electric power systems. It aims at controlling the power output of generators in response to either changes in frequency (in a single area case) or in response to both changes in frequency and tie-line power interchange (in multi- area cases). Indeed frequency is a ubiquitous signal in power systems and its excursions away from its nominal value are indicative of imbalances between generation and load. Interest in LFC has come back to the fore in view of the challenges raised by increasing levels of penetration of renewable intermittent sources (Wind and solar energy). This situation creates frequent and important mismatches between system generation and system load, and thus create the need for more effective LFC schemes. The current set up is based on estimating a single integral control based power mismatch variable and redistributing a share of the correspondingly needed generation increase or decrease among units according to their power rating [Tan, 2010]. While this has proved to be a robust and algorithmically simple scheme, it is a rather rough approach, as it tends to ignore the particular current state of each generator when provided with a new set point. In order to allow more flexible and less aggressive control to each individual generator, normally only represented as a single aggregate unit, novel decentralized linear quadratic-proportional integral control methods for load frequency control respectively based on so-called mean field team theory (for single and two area systems) and mean field games (for two area systems) are discussed in this thesis. The control problem is formulated as a linear quadratic (LQ) team problem under meanfield sharing (MFS) information structure, i.e., each generator observes its own state (3 state variables) and the mean field, that is in this context the average state of all generators if they are all identical, or the vector of class specific mean states in a non homogeneous multi-class situation. Also, following a team solution scheme developed in [Arabneydi and Mahajan, 2016], a separate mean field control term is a feedback on the vector of mean class specific individual states. The overall result is a decentralized control policy with coordination by the mean field term. The optimal solution is obtained by solving 2 Riccati equations, one for the local generator and another one associated with the mean field (this becomes instead a system of coupled Riccati equations in the subsequent mean field game game solution of the 2 area problem), for the full observation model.
Author : Shahid H. Ahmed
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (18 download)
Download or read book Dynamic Power System Load Modeling for Stability Studies written by Shahid H. Ahmed and published by . This book was released on 1982 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
