Modeling and Simulation of Induction Machine Switching Transients PDF Download
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Author: Roy Alan McCann
Publisher:
ISBN:
Category :
Languages : en
Pages : 162
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Book Description
Author: Roy Alan McCann
Publisher:
ISBN:
Category :
Languages : en
Pages : 162
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Book Description
Author: Eiichi Haginomori
Publisher: John Wiley & Sons
ISBN: 1118737458
Category : Science
Languages : en
Pages : 280
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Book Description
Understanding transient phenomena in electric power systems and the harmful impact of resulting disturbances is an important aspect of power system operation and resilience. Bridging the gap from theory to practice, this guide introduces the fundamentals of transient phenomena affecting electric power systems using the numerical analysis tools, Alternative Transients Program- Electromagnetic Transients Program (ATP-EMTP) and ATP-DRAW. This technology is widely-applied to recognize and solve transient problems in power networks and components giving readers a highly practical and relevant perspective and the skills to analyse new transient phenomena encountered in the field. Key features: Introduces novice engineers to transient phenomena using commonplace tools and models as well as background theory to link theory to practice. Develops analysis skills using the ATP-EMTP program, which is widely used in the electric power industry. Comprehensive coverage of recent developments such as HVDC power electronics with several case studies and their practical results. Provides extensive practical examples with over 150 data files for analysing transient phenomena and real life practical examples via a companion website. Written by experts with deep experience in research, teaching and industry, this text defines transient phenomena in an electric power system and introduces a professional transient analysis tool with real examples to novice engineers in the electric power system industry. It also offers instruction for graduates studying all aspects of power systems.
Author: Juan A. Martinez-Velasco
Publisher: John Wiley & Sons
ISBN: 1119480531
Category : Technology & Engineering
Languages : en
Pages : 618
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Book Description
A hands-on introduction to advanced applications of power system transients with practical examples Transient Analysis of Power Systems: A Practical Approach offers an authoritative guide to the traditional capabilities and the new software and hardware approaches that can be used to carry out transient studies and make possible new and more complex research. The book explores a wide range of topics from an introduction to the subject to a review of the many advanced applications, involving the creation of custom-made models and tools and the application of multicore environments for advanced studies. The authors cover the general aspects of the transient analysis such as modelling guidelines, solution techniques and capabilities of a transient tool. The book also explores the usual application of a transient tool including over-voltages, power quality studies and simulation of power electronics devices. In addition, it contains an introduction to the transient analysis using the ATP. All the studies are supported by practical examples and simulation results. This important book: Summarises modelling guidelines and solution techniques used in transient analysis of power systems Provides a collection of practical examples with a detailed introduction and a discussion of results Includes a collection of case studies that illustrate how a simulation tool can be used for building environments that can be applied to both analysis and design of power systems Offers guidelines for building custom-made models and libraries of modules, supported by some practical examples Facilitates application of a transients tool to fields hardly covered with other time-domain simulation tools Includes a companion website with data (input) files of examples presented, case studies and power point presentations used to support cases studies Written for EMTP users, electrical engineers, Transient Analysis of Power Systems is a hands-on and practical guide to advanced applications of power system transients that includes a range of practical examples.
Author: M. Godoy Simões
Publisher: CRC Press
ISBN: 1482244675
Category : Technology & Engineering
Languages : en
Pages : 478
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Book Description
Now in its Third Edition, Alternative Energy Systems: Design and Analysis with Induction Generators has been renamed Modeling and Analysis with Induction Generators to convey the book’s primary objective—to present the fundamentals of and latest advances in the modeling and analysis of induction generators. New to the Third Edition Revised equations and mathematical modeling Addition of solved problems as well as suggested problems at the end of each chapter New modeling and simulation cases Mathematical modeling of the Magnus turbine to be used with induction generators Detailed comparison between the induction generators and their competitors Modeling and Analysis with Induction Generators, Third Edition aids in understanding the process of self-excitation, numerical analysis of stand-alone and multiple induction generators, requirements for optimized laboratory experimentation, application of modern vector control, optimization of power transference, use of doubly fed induction generators, computer-based simulations, and social and economic impacts.
Author: W.B. Yu
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Computer simulation
Languages : en
Pages : 472
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Book Description
Author: Su, Charles Q.
Publisher: IGI Global
ISBN: 1466619228
Category : Technology & Engineering
Languages : en
Pages : 587
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Book Description
"This book explores relevant theoretical frameworks, the latest empirical research findings, and industry-approved techniques in this field of electromagnetic transient phenomena"--Provided by publisher.
Author: Ion Boldea
Publisher: CRC Press
ISBN: 1000455807
Category : Science
Languages : en
Pages : 403
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Book Description
With its comprehensive coverage of the state of the art, this Second Edition introduces basic types of transformers and electric machines. Classifications and characterization—modeling and performance—of power electric transformers (single and multiphase), motors and generators, commercial machines (dc brush, induction dc excited synchronous, PM synchronous, reluctance synchronous) and some new ones (multiphase ac machines, switched reluctance machines) with great potential for industry with rotary or linear motion are all treated in the book. The book covers, in detail, circuit modeling characteristics and performance characteristics under steady state, testing techniques and preliminary electromagnetic-thermic dimensioning with lots of solved numerical examples and special cases to illustrate new electric machines with strong industrialization potential. All formulae used to characterize parameters and performance may be safely used in industry for preliminary designs and have been applied in the book through numerical solved examples of industrial interest. Numerous computer simulation programs in MATLAB® and Simulink® that illustrate performance characteristics present in the chapters are included and many be used as homework to facilitate a deeper understanding of fundamental issues. This book is intended for a first-semester course covering electric transformers, rotary and linear machines, steady-state modeling and performance computation, preliminary dimensioning, and testing standardized and innovative techniques. The textbook may be used by R&D engineers in industry as all machine parameters and characteristics are calculated by ready-to-use industrial design mathematical expressions.
Author: Hua Bai
Publisher: John Wiley & Sons
ISBN: 1119972760
Category : Technology & Engineering
Languages : en
Pages : 374
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Book Description
In high power, high voltage electronics systems, a strategy to manage short timescale energy imbalances is fundamental to the system reliability. Without a theoretical framework, harmful local convergence of energy can affect the dynamic process of transformation, transmission, and storage which create an unreliable system. With an original approach that encourages understanding of both macroscopic and microscopic factors, the authors offer a solution. They demonstrate the essential theory and methodology for the design, modeling and prototyping of modern power electronics converters to create highly effective systems. Current applications such as renewable energy systems and hybrid electric vehicles are discussed in detail by the authors. Key features: offers a logical guide that is widely applicable to power electronics across power supplies, renewable energy systems, and many other areas analyses the short-scale (nano-micro second) transient phenomena and the transient processes in nearly all major timescales, from device switching processes at the nanoscale level, to thermal and mechanical processes at second level explores transient causes and shows how to correct them by changing the control algorithm or peripheral circuit includes two case studies on power electronics in hybrid electric vehicles and renewable energy systems Practitioners in major power electronic companies will benefit from this reference, especially design engineers aiming for optimal system performance. It will also be of value to faculty staff and graduate students specializing in power electronics within academia.
Author: Mohammad Masadeh
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Electric motors with their drive systems utilize most of the generated power. They account for about two-thirds of industrial energy utilization and about 45% of the global energy utilization. Therefore, optimizing a motor and its corresponding drive system with their control can save energy and improve system efficiency. It can be risky and difficult however to test large prototype electrical machines and study their dynamic characteristics; or to test electric drives at high power levels with different machine ratings and operating conditions. One way to effectively evaluate these systems is to emulate the electric machine using a power electronic converter with the help of a real-time simulation system. Power electronic converters and their control systems are increasingly being used in industries with different power ratings at high switching frequencies in the kHz range. In this thesis, an induction motor emulator based on a power electronic converter is developed to allow detailed testing the converter and controller. A proportional-resonant current controller in the abc-frame and pulse-width modulation are employed. The conventional model of the induction machine (IM) with constant parameters does not represent accurately the machine's performance for severe transients specifically during starting and loading conditions. Magnetic saturation effects should be considered. Hence, experimental procedures to determine the flux saturation characteristics in the main and both stator and rotor leakage flux paths are achieved. Machine models that consider or neglect the main and leakage flux saturation are compared with experimental results. The model which considers the magnetic saturation effect in both flux paths results in more accurate transient responses. Likewise, the dynamic response of the induction motor emulator during startup and loading transients show the effectiveness of using the developed emulator to resemble closely a real motor. The relationship between the stator and rotor leakage reactance of the induction machine according to IEEE Std. 112TM is assumed to be constant under all operating conditions. However, this is not accurate during severe transients such as the direct online startup and loading conditions of a three-phase induction motor. The leakage reactance of the machine can vary widely during severe conditions. Hence, using constant parameters in the machine model will result in an inaccurate dynamic performance prediction. Moreover, considering a constant ratio between the stator and rotor leakage reactance is no longer valid for all current levels. In this thesis, a direct and precise method is proposed to estimate and separate the stator and rotor leakage reactance parameters under normal operating conditions and when the core is deeply saturated. The method exploits the 2D time-stepping finite element method (FEM) with a coupled circuit. The obtained current-dependent reactance functions in both leakage flux paths are included in the dq-model of the IM. Other machine parameters are determined by implementing the standard tests in FEM. To verify the effectiveness of the proposed method, the predicted results are compared to the dynamic responses obtained experimentally from a three-phase, 5-hp squirrel-cage IM. A power electronic converter-based self-excited induction generator (SEIG) emulator is developed. The testbed replaces a wind- or microhydro-turbine driven squirrel-cage induction generator that works within an isolated power system to feed power in remote areas. It supports testing and analyzing the dynamic performance of islanded generation systems which comprise numerous kinds of parallel-operated renewable energy sources. The risk and cost associated with the testing, analysis and development of novel control topologies and electrical machine prototypes are reduced considerably. The dq-model of the SEIG in the rotor reference frame is implemented in a real-time controller. Saturation in the main and leakage flux paths are included in the machine model. The generator model with modified parameters is verified and used in the emulator. The cascaded voltage and current loops utilizing the proportional-integral controllers in dq-frame are employed. A voltage-type ideal transformer model is used as a power interface for the emulator whereas an excitation capacitance is added to the power-hardware-in-the-loop block diagram. Likewise, the dynamic response of the induction generator emulator during voltage buildup and loading conditions validates the effectiveness of using the developed emulator to resemble closely a real generator.
