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Robust Stability Analysis For Large Scale Power Systems
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Book Synopsis Robust Stability Analysis for Large-scale Power Systems by : Richard Yi Zhang
Download or read book Robust Stability Analysis for Large-scale Power Systems written by Richard Yi Zhang and published by . This book was released on 2017 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Innovations in electric power systems, such as renewable energy, demand-side participation, and electric vehicles, are all expected to increase variability and uncertainty, making stability verification more challenging. This thesis extends the technique of robust stability analysis to large-scale electric power systems under uncertainty. In the first part of this thesis, we examine the use of the technique to solve real problems faced by grid operators. We present two case studies: small-signal stability for distributed renewables on the IEEE 118-bus test system, and large-signal stability for a microgrid system. In each case study, we show that robust stability analysis can be used to compute stability margins for entire collections of uncertain scenarios. In the second part of this thesis, we develop scalable algorithms to solve robust stability analysis problems on large-scale power systems. We use preconditioned iterative methods to solve the Newton direction computation in the interior-point method, in order to avoid the O(n6) time complexity associated with a dense-matrix approach. The per-iteration costs of the iterative methods are reduced to O(n3) through a hierarchical block-diagonal-plus-low-rank structure in the data matrices. We provide evidence that the methods converge to an [epsilon]-accurate solution in O(1=[square root of ] [epsilon]) iterations, and characterize two broad classes of problems for which the enhanced convergence is guaranteed.
Book Synopsis Power System Wide-area Stability Analysis and Control by : Jing Ma
Download or read book Power System Wide-area Stability Analysis and Control written by Jing Ma and published by John Wiley & Sons. This book was released on 2018-05-10 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: An essential guide to the stability and control of power systems integrating large-scale renewable energy sources The rapid development of smart grids and the integration of large scale renewable energy have added daunting new layers of complexity to the long-standing problem of power system stability control. This book offers a systematic stochastic analysis of these nonlinear problems and provides comprehensive countermeasures to improve power system performance and control with large-scale, hybrid power systems. Power system stability analysis and control is by no means a new topic. But the integration of large scale renewable energy sources has added many new challenges which must be addressed, especially in the areas of time variance, time delay, and uncertainties. Robust, adaptive control strategies and countermeasures are the key to avoiding inadequate, excessive, or lost loads within hybrid power systems. Written by an internationally recognized innovator in the field this book describes the latest theory and methods for handling power system angle stability within power networks. Dr. Jing Ma analyzes and provides control strategies for large scale power systems and outlines state-of-the-art solutions to the entire range of challenges facing today’s power systems engineers. Features nonlinear, stochastic analysis of power system stability and control Offers proven countermeasures to optimizing power system performance Focuses on nonlinear time-variance, long time-delays, high uncertainties and comprehensive countermeasures Emphasizes methods for analyzing and addressing time variance and delay when integrating large-scale renewable energy Includes rigorous algorithms and simulations for the design of analysis and control modeling Power System Wide-area Stability Analysis and Control is must-reading for researchers studying power system stability analysis and control, engineers working on power system dynamics and stability, and graduate students in electrical engineering interested in the burgeoning field of smart, wide-area power systems.
Book Synopsis Robust Stability and Performance Analysis of Large Scale Power Systems with Parametric Uncertainty by : Rafael B. Castellanos
Download or read book Robust Stability and Performance Analysis of Large Scale Power Systems with Parametric Uncertainty written by Rafael B. Castellanos and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the application of new techniques based on multivariable control theory and optimisation theory to the study of robust stability of highly uncertain models of large interconnected power systems subject to real parameter variations. It focuses on the study of robust stability problems associated with parameter variations representing real physical quantities. The objective is to verify that critical system controllers of complex systems remain stable and achieve desired performance objectives for all predefined power system variations at selected operating conditions along its expected operating trajectory. A second related objective is to determine the stability robustness with respect to changes in power system parameters and the maximum loading condition for which the system will remain stable.
Book Synopsis Robust Stability and Performance Analysis of Large Scale Systems by : Benjamin Lee Henniges
Download or read book Robust Stability and Performance Analysis of Large Scale Systems written by Benjamin Lee Henniges and published by . This book was released on 1988 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Robust Stability Assessment for Future Power Systems by : Hung Dinh Nguyen
Download or read book Robust Stability Assessment for Future Power Systems written by Hung Dinh Nguyen and published by . This book was released on 2018 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Loss of stability in electrical power systems may eventually lead to blackouts which, despite being rare, are extremely costly. However, ensuring system stability is a non-trivial task for several reasons. First, power grids, by nature, are complex nonlinear dynamical systems, so assessing and maintaining system stability is challenging mainly due to the co-existence of multiple equilibria and the lack of global stability. Second, the systems are subject to various sources of uncertainties. For example, the renewable energy injections may vary depending on the weather conditions. Unfortunately, existing security assessment may not be sufficient to verify system stability in the presence of such uncertainties. This thesis focuses on new scalable approaches for robust stability assessment applicable to three main types of stability, i.e., long-term voltage, transient, and small-signal stability. In the first part of this thesis, I develop a novel computationally tractable technique for constructing Optimal Power Flow (OPF) feasibility (convex) subsets. For any inner point of the subset, the power flow problem is guaranteed to have a feasible solution which satisfies all the operational constraints considered in the corresponding OPF. This inner approximation technique is developed based on Brouwer's fixed point theorem as the existence of a solution can be verified through a self-mapping condition. The self-mapping condition along with other operational constraints are incorporated in an optimization problem to find the largest feasible subsets. Such an optimization problem is nonlinear, but any feasible solution will correspond to a valid OPF feasibility estimation. Simulation results tested on several IEEE test cases up to 300 buses show that the estimation covers a substantial fraction of the true feasible set. Next, I introduce another inner approximation technique for estimating an attraction domain of a post-fault equilibrium based on contraction analysis. In particular, I construct a contraction region where the initial conditions are "forgotten", i.e., all trajectories starting from inside this region will exponentially converge to each other. An attraction basin is constructed by inscribing the largest ball in the contraction region. To verify contraction of a Differential-Algebraic Equation (DAE) system, I also show that one can rely on the analysis of extended virtual systems which are reducible to the original one. Moreover, the Jacobians of the synthetic systems can always be expressed in a linear form of state variables because any polynomial system has a quadratic representation. This makes the synthetic system analysis more appropriate for contraction region estimation in a large scale. In the final part of the thesis, I focus on small-signal stability assessment under load dynamic uncertainties. After introducing a generic impedance-based load model which can capture the uncertainty, I propose a new robust small signal (RSS) stability criterion. Semidefinite programming is used to find a structured Lyapunov matrix, and if it exists, the system is provably RSS stable. An important application of the criterion is to characterize operating regions which are safe from Hopf bifurcations. The robust stability assessment techniques developed in this thesis primarily address the needs of a system operator in electrical power systems. The results, however, can be naturally extended to other nonlinear dynamical systems that arise in different fields such as biology, biomedicine, economics, neuron networks, and optimization. As the robust assessment is based on sufficient conditions for stability, there is still room for development on reducing the inevitable conservatism. For example, for OPF feasibility region estimation, an important open question considers what tighter bounds on the nonlinear residual terms one can use instead of box type bounds. Also, for attraction basin problem, finding the optimal norms and metrics which result in the largest contraction domain is an interesting potential research question.
Book Synopsis Robust Stability Analysis of Power Systems Using a Generalization of Kharitonov's Theorem by : Eugene Khutoryansky
Download or read book Robust Stability Analysis of Power Systems Using a Generalization of Kharitonov's Theorem written by Eugene Khutoryansky and published by . This book was released on 1997 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis TRANSIENT STABILITY ANALYSIS OF LARGE SCALE POWER SYSTEMS USING ENERGY METHODS. by : Mohammad T. Musavi-Behbahani
Download or read book TRANSIENT STABILITY ANALYSIS OF LARGE SCALE POWER SYSTEMS USING ENERGY METHODS. written by Mohammad T. Musavi-Behbahani and published by . This book was released on 1983 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: the system.
Book Synopsis Robust Stability and Performance Analysis of Power Systems by : Sukumar Chandra Konar
Download or read book Robust Stability and Performance Analysis of Power Systems written by Sukumar Chandra Konar and published by LAP Lambert Academic Publishing. This book was released on 2011-08 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present research project encompasses Robust stability and performance analysis of power systems and it has six definite parts: - The unification of the structural configuration dealing with stability of the closed - loop feedback systems. Stability studies of capacitive loading of synchronous generator of a thermal power station. Regulator excitation dynamics of a synchronous generator. The design of stabilizers and the determination of the largest radius of the hyper-sphere in the parameter space. The determination of the controller stability of a close-loop system by investigating and examining encirclement of the -1+ j0 point by the locus of G (jw) C (jw). D' partition method for stability studies with the range of K have been discussed. The analysis and design of a family of voltage controllers based on numerical convex optimization.
Book Synopsis Robust Stability Analysis of Power Electronic Systems by : Sharmila Sumsurooah
Download or read book Robust Stability Analysis of Power Electronic Systems written by Sharmila Sumsurooah and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings by : Robert Vichnevetsky
Download or read book Proceedings written by Robert Vichnevetsky and published by . This book was released on 1988 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings -- Computer Arithmetic, Algebra, OOP.
Book Synopsis Power System Operation with Large Scale Stochastic Wind Power Integration by : Tao Ding
Download or read book Power System Operation with Large Scale Stochastic Wind Power Integration written by Tao Ding and published by Springer. This book was released on 2016-09-17 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the uncertainties of wind power modeled as interval numbers and assesses the physical modeling and methods for interval power flow, interval economic dispatch and interval robust economic dispatch. In particular, the optimization models are set up to address these topics and the state-of-the-art methods are employed to efficiently solve the proposed models. Several standard IEEE test systems as well as real-world large-scale Polish power systems have been tested to verify the effectiveness of the proposed models and methods. These methods can be further applied to other research fields that are involved with uncertainty.
Book Synopsis Stability and Control of Dynamical Systems with Applications by : Derong Liu
Download or read book Stability and Control of Dynamical Systems with Applications written by Derong Liu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is with great pleasure that I offer my reflections on Professor Anthony N. Michel's retirement from the University of Notre Dame. I have known Tony since 1984 when he joined the University of Notre Dame's faculty as Chair of the Depart ment of Electrical Engineering. Tony has had a long and outstanding career. As a researcher, he has made im portant contributions in several areas of systems theory and control theory, espe cially stability analysis of large-scale dynamical systems. The numerous awards he received from the professional societies, particularly the Institute of Electrical and Electronics Engineers (IEEE), are a testament to his accomplishments in research. He received the IEEE Control Systems Society's Best Transactions Paper Award (1978), and the IEEE Circuits and Systems Society's Guillemin-Cauer Prize Paper Award (1984) and Myril B. Reed Outstanding Paper Award (1993), among others. In addition, he was a Fulbright Scholar (1992) and received the Alexander von Hum boldt Forschungspreis (Alexander von Humboldt Research Award for Senior U.S. Scientists) from the German government (1997). To date, he has written eight books and published over 150 archival journal papers. Tony is also an effective administrator who inspires high academic standards.
Book Synopsis Voltage Stability Analysis of Large Power Systems by : Baofu Gao
Download or read book Voltage Stability Analysis of Large Power Systems written by Baofu Gao and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Stability and Robustness Measures of Large-scale Electric Power Systems by : Mohamed Aly Bishr
Download or read book Dynamic Stability and Robustness Measures of Large-scale Electric Power Systems written by Mohamed Aly Bishr and published by . This book was released on 1984 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Data Fusion and Data Mining for Power System Monitoring by : Arturo Román Messina
Download or read book Data Fusion and Data Mining for Power System Monitoring written by Arturo Román Messina and published by CRC Press. This book was released on 2020-06-03 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data Fusion and Data Mining for Power System Monitoring provides a comprehensive treatment of advanced data fusion and data mining techniques for power system monitoring with focus on use of synchronized phasor networks. Relevant statistical data mining techniques are given, and efficient methods to cluster and visualize data collected from multiple sensors are discussed. Both linear and nonlinear data-driven mining and fusion techniques are reviewed, with emphasis on the analysis and visualization of massive distributed data sets. Challenges involved in realistic monitoring, visualization, and analysis of observation data from actual events are also emphasized, supported by examples of relevant applications. Features Focuses on systematic illustration of data mining and fusion in power systems Covers issues of standards used in the power industry for data mining and data analytics Applications to a wide range of power networks are provided including distribution and transmission networks Provides holistic approach to the problem of data mining and data fusion using cutting-edge methodologies and technologies Includes applications to massive spatiotemporal data from simulations and actual events
Book Synopsis Stability Analysis of Large-scale Power Electronics Systems by : Phuong Huynh
Download or read book Stability Analysis of Large-scale Power Electronics Systems written by Phuong Huynh and published by . This book was released on 1994 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Robust Stability Analysis of Servo-hydraulic System in Parameter Space by :
Download or read book Robust Stability Analysis of Servo-hydraulic System in Parameter Space written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydraulic power systems find a wide range of applications varying from high power transmission as in heavy machinery to accurate control as in robotics and flight control actuators, and in mobile systems like agricultural machines. Hydraulic systems have many advantages. They have a high power to weight ratio and the system can be controlled electronically. Therefore they are flexible and are efficient in transferring and controlling power. Hydraulic systems are highly nonlinear in nature and exhibit dynamic fluctuations in parameters such as pressure and velocity. These effects, if not controlled, would lead to large scale oscillations that would damage system components. This work is focused on the robust parametric stability analysis a servo-hydraulic system in two-parameter space. A higher order linear controller and a nonlinear controller using feedback linearization technique are designed. State and input/output transformation were used to reduce the order of the inner-loop feedback linearized plant. In this thesis, the stable-unstable boundary for two-parameter variations is obtained by non-linear analysis and is verified by experimentation. These stability boundaries are used as a tool to study the robustness of the system by measure of distance to instability from the nominal parameters. The control strategies were implemented using Matlab/Simulink and the real time control was implemented using WinCon software developed by Quanser.
