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Author : Paul Ira Nippes
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (89 download)
Download or read book Short Circuit Torques in Turbine-generators written by Paul Ira Nippes and published by . This book was released on 1955 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Josepeh L. Caggiano
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (551 download)
Download or read book Short Circuit Torques in Turbine Generators written by Josepeh L. Caggiano and published by . This book was released on 1969 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. A. Laughton
Publisher : Newnes
ISBN 13 : 0080523544
Total Pages : 1519 pages
Book Rating : 4.0/5 (85 download)
Download or read book Electrical Engineer's Reference Book written by M. A. Laughton and published by Newnes. This book was released on 2002-09-27 with total page 1519 pages. Available in PDF, EPUB and Kindle. Book excerpt: For ease of use, this edition has been divided into the following subject sections: general principles; materials and processes; control, power electronics and drives; environment; power generation; transmission and distribution; power systems; sectors of electricity use.New chapters and major revisions include: industrial instrumentation; digital control systems; programmable controllers; electronic power conversion; environmental control; hazardous area technology; electromagnetic compatibility; alternative energy sources; alternating current generators; electromagnetic transients; power system planning; reactive power plant and FACTS controllers; electricity economics and trading; power quality. *An essential source of techniques, data and principles for all practising electrical engineers*Written by an international team of experts from engineering companies and universities*Includes a major new section on control systems, PLCs and microprocessors
Author : Dustin F. Howard
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (88 download)
Download or read book Short-circuit Currents in Wind-turbine Generator Networks written by Dustin F. Howard and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Protection of both the wind plant and the interconnecting transmission system during short-circuit faults is imperative for maintaining system structural integrity and reliability. The circuit breakers and protective relays used to protect the power system during such events are designed based upon calculations of the current that will flow in the circuit during the fault. Sequence-network models of various power-system components, such as synchronous generators, transformers, transmission lines, etc., are often used to perform these calculations. However, there are no such models widely accepted for certain types of wind-turbine generators used in modern wind plants. The problem with developing sequence-network models of wind plants is that several different wind-turbine generator designs exist; yet, each exhibit very different short-circuit behavior. Therefore, a "one size fits all" approach is not appropriate for modeling wind plants, as has been the case for conventional power plants based on synchronous-generator technology. Further, many of the newer wind-turbine designs contain proprietary controls that affect the short-circuit behavior, and wind-turbine manufacturers are often not willing to disclose these controls. Thus, protection engineers do not have a standard or other well-established model for calculating short-circuit currents in power systems with wind plants. Therefore, the research described in this dissertation involves the development of such models for calculating short-circuit currents from wind-turbine generators. The focus of this dissertation is on the four existing wind-turbine generator designs (identified as Types 1 -- 4). Only AC-transmission-interconnected wind-turbine generators are considered in this dissertation. The primary objective of this research is the development of sequence-network models, which are frequency-domain analysis tools, for each wind-turbine generator design. The time-domain behavior of each wind-turbine generator is thoroughly analyzed through transient simulations, experimental tests on scaled wind-turbine generator test beds, and solutions to the system dynamic equations. These time-domain analyses are used to support the development of the sequence-network models.
Author : Prof. Chintan Mehta
Publisher :
ISBN 13 : 9781797930411
Total Pages : 109 pages
Book Rating : 4.9/5 (34 download)
Download or read book Analysis of Short Circuit Current Contribution for Wind Turbine Generators written by Prof. Chintan Mehta and published by . This book was released on 2019-02-24 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electrical energy generation is the growth engine of any nation. Till last decade, the electrical power generation was basically produced by thermal energy but due to environmental impacts the focus of electrical energy generation shifts towards renewable energy sources. Out of various renewable sources available for electrical energy generation, the main focus is on wind and solar energy to generate the electrical energy. Penetration of wind energy is increased exponentially, but as compared with conventional energy it is highly intermittent in nature. It is a challenge to synchronize the wind energy in to the conventional power grid. In this thesis, short-circuit current is calculated as per IEC-60909 and it is veried using PSCAD/EMTDC software fora single machine connected to a single load. The standard IEEE 14 Bus system is analyzed using PSCAD/EMTDC. In standard IEEE 14 Bus system, MVA method is used for calculating the short circuit current under 3 phase to ground fault condition and it is veried using PSCAD/EMTDC for all the buses. The single circuit model is introduced to analyze the concept of asymmetrical fault current. The behavior of Synchronous machine, Induction machine and doubly fed induction generator (DFIG) are analyzed under the 3 phase to ground symmetrical fault condition. The short circuit current contribution of DFIG is calculated analytically and the same is validated by PSCAD/EMTDC software under various wind speeds and by considering certain voltage drops of the generator output. The behavior of DFIG and conventional induction generator is analyzed during steady-state and faulty condition under the comparable ratings and parameters. The IEEE 1547 and Indian grid code standard with Low Voltage Ride Through (LVRT) is analyzed or WTGs.
Author : J. S. Rao
Publisher : Alpha Science Int'l Ltd.
ISBN 13 : 9781842650097
Total Pages : 358 pages
Book Rating : 4.6/5 (5 download)
Download or read book Turbine Blade Life Estimation written by J. S. Rao and published by Alpha Science Int'l Ltd.. This book was released on 2000 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: The blade life estimation is a multifaceted technology, involving free and forced vibration forces, that lead to the determination of steady and dynamic stresses at different critical speeds during the startup and shutdown procedures, as well as in the operational speed range. Propagation and unstable fracture are described with practical examples to estimate blade life.
Author : S. M. Muyeen
Publisher : Springer Science & Business Media
ISBN 13 : 1848003161
Total Pages : 259 pages
Book Rating : 4.8/5 (48 download)
Download or read book Stability Augmentation of a Grid-connected Wind Farm written by S. M. Muyeen and published by Springer Science & Business Media. This book was released on 2008-09-25 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: “Stability Augmentation of a Grid-connected Wind Farm” introduces a comprehensive approach to stabilizing the power output from wind farms, covering both fixed and variable speed wind turbine generator systems. The book presents the different tools suitable for application in wind farms, together with modeling and control strategies. The book reports on output power and terminal voltage fluctuation minimization, using the integration of energy storage systems with power electronic converters. Transient stability enhancement of the power systems is also discussed. “Stability Augmentation of a Grid-connected Wind Farm” provides advanced tools with detailed modeling and controller design, including extensive simulation results.
Author : Jan Machowski
Publisher : John Wiley & Sons
ISBN 13 : 1119965055
Total Pages : 611 pages
Book Rating : 4.1/5 (199 download)
Download or read book Power System Dynamics written by Jan Machowski and published by John Wiley & Sons. This book was released on 2011-08-31 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the fully revised and updated second edition of Power System Dynamics and Stability published in 1997. The modified title Power System Dynamics: Stability and Control reflects a slight shift in focus from solely describing power system dynamics to the means of dealing with them. The book has been expanded by about a third to include: a new chapter on wind power generation; a new section on wide-area measurement systems (WAMS) and their application for real-time control; an overview of lessons learned from wide-spread blackouts affecting North America and Europe in 2003, 2004 and 2006; enhanced treatment of voltage stability and control, and frequency stability and control; application of Lyapunov direct method to analyse and enhance stability of multi-machine power systems ; expanded coverage of steady-state stability using eigenvalue analysis, including modal analysis of dynamic equivalents. The book continues the successful approach of the first edition by progressing from simplicity to complexity. It places the emphasis first on understanding the underlying physical principles before proceeding to more complex models and algorithms. The reader will appreciate the authors’ accessible approach as the book is illustrated by over 400 diagrams and a large number of examples. Power System Dynamics: Stability and Control, Second Edition is an essential resource for graduates of electrical engineering. It is also a clear and comprehensive reference text for undergraduate students, and for practising engineers and researchers who are working in electricity companies or in the development of power system technologies.
Author : Raj Subbiah
Publisher : Springer
ISBN 13 : 331973296X
Total Pages : 306 pages
Book Rating : 4.3/5 (197 download)
Download or read book Rotor and Structural Dynamics of Turbomachinery written by Raj Subbiah and published by Springer. This book was released on 2018-01-16 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides engineers and scientists with practical fundamentals for turbomachinery design. It presents a detailed analysis of existing procedures for the analysis of rotor and structure dynamics, while keeping mathematical equations to a minimum. Specific terminologies are used for rotors and structures, respectively, allowing the readers to clearly distinguish between the two. Further, the book describes the essential concepts needed to understand rotor failure modes due to lateral and torsional oscillations. It guides the reader from simple single-degree-of-freedom models to the most complex multi-degree-of-freedom systems, and provides useful information concerning steel pedestal stiffness degradation and other structural issues. Fluid-film bearing types and their dynamical behavior are extensively covered and discussed in the context of various turbomachinery applications. The book also discusses shaft alignment and rotor balancing from a practical point of view, providing readers with essential information to help them solve practical problems. As the main body of the book focuses on the diagnostics and description of case studies addressing the most pressing practical issues, together with their successful solutions, it offers a valuable reference guide, helping field engineers manage day-to-day issues with turbomachinery.
Author : Nagwa F. Ibrahim
Publisher : Springer Nature
ISBN 13 : 3030926281
Total Pages : 137 pages
Book Rating : 4.0/5 (39 download)
Download or read book Protection of Wind Turbine Generators Using Microcontroller-Based Applications written by Nagwa F. Ibrahim and published by Springer Nature. This book was released on 2022-02-08 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protection of Wind Turbine Generators Using Microcontroller-Based Applications focuses on the application of microcontrollers in the protection of wind turbine generators. The book looks at the design and implementation of a versatile digital overcurrent (OC), OV/UV, OF/UF, and negative sequence relays, and addresses the dynamic behaviour of a wind-driven induction generator (IG) connected to a power system grid through a transmission line. The transient responses of protective devices associated with the IG are also studied. Modelling of the digital relay for wind turbine generator protection using MATLAB Simulink consider most of the aerodynamic and mechanical effects that can influence instantaneous output voltage, current, and power. Coverage also includes different AC fault types, a detailed theoretical analysis of fault and protection strategy in AC fault, and the different types of fault detection algorithms to maintain power system reliability.
Author : Atia Adrees
Publisher : Springer
ISBN 13 : 3319449478
Total Pages : 233 pages
Book Rating : 4.3/5 (194 download)
Download or read book Risk Based Assessment of Subsynchronous Resonance in AC/DC Systems written by Atia Adrees and published by Springer. This book was released on 2016-10-04 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This relevant and timely thesis presents the pioneering use of risk-based assessment tools to analyse the interaction between electrical and mechanical systems in mixed AC/DC power networks at subsynchronous frequencies. It also discusses assessing the effect of uncertainties in the mechanical parameters of a turbine generator on SSR in a meshed network with both symmetrical and asymmetrical compensation systems. The research presented has resulted in 12 publications including three top international journal papers (IEEE Transactions on Power Systems) and nine international conference publications, including two award-winning papers.
Author :
Publisher :
ISBN 13 :
Total Pages : 1250 pages
Book Rating : 4.F/5 ( download)
Download or read book Electrical Engineering written by and published by . This book was released on 1913 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jicheng Li
Publisher : John Wiley & Sons
ISBN 13 : 1118841026
Total Pages : 680 pages
Book Rating : 4.1/5 (188 download)
Download or read book Design and Application of Modern Synchronous Generator Excitation Systems written by Jicheng Li and published by John Wiley & Sons. This book was released on 2019-03-15 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uses real world case studies to present the key technologies of design and application of the synchronous generator excitation system This book systematically introduces the important technologies of design and application of the synchronous generator excitation system, including the three-phase bridge rectifier circuit, diode rectifier for separate excitation, brushless excitation system and the static self-stimulation excitation system. It fuses discussions on specific topics and basic theories, providing a detailed description of the theories essential for synchronous generators in the analysis of excitation systems. Design and Application of Modern Synchronous Generator Excitation Systems provides a cutting-edge examination of excitation system, addressing conventional hydro-turbines, pumped storage units, steam turbines, and nuclear power units. It looks at the features and performance of the excitation system of the 700MW hydro-turbine deployed at the Three Gorges Hydropower Plant spanning the Yangtze River in China, as well as the working principle and start-up procedure of the static frequency converter (SFC) of pumped storage units. It also expounds on the composition of the excitation transformer, power rectifier, de-excitation equipment, and automatic excitation regulator—in addition to the performance features of the excitation system of conventional 600/1000MW turbines and the excitation system of the 1000MW nuclear power unit. Presents cutting-edge technologies of the excitation system from a unique engineering perspective Offers broad appeal to power system engineers who require a better understanding of excitation systems Addresses hydro-turbines, pumped storage units, steam turbines, and nuclear power units Provides an interdisciplinary examination of a range of applications Written by a senior expert in the area of excitation systems Written by an author with over 50 years' experience, Design and Application of Modern Synchronous Generator Excitation Systems is an excellent text that offers an interdisciplinary exposition for professionals, researchers, and academics alike.
Author : United States. Congress. Senate. Committee on Interior and Insular Affairs
Publisher :
ISBN 13 :
Total Pages : 1862 pages
Book Rating : 4.3/5 (91 download)
Download or read book Hearings written by United States. Congress. Senate. Committee on Interior and Insular Affairs and published by . This book was released on 1954 with total page 1862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yiqiao Gu
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.3/5 (91 download)
Download or read book Electric Energy Conversion written by Yiqiao Gu and published by . This book was released on 1959 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Bureau of Reclamation
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.E/5 ( download)
Download or read book The Colorado-Big Thompson Project written by United States. Bureau of Reclamation and published by . This book was released on 1957 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geoff Klempner
Publisher : John Wiley & Sons
ISBN 13 : 1119390680
Total Pages : 1036 pages
Book Rating : 4.1/5 (193 download)
Download or read book Handbook of Large Turbo-Generator Operation and Maintenance written by Geoff Klempner and published by John Wiley & Sons. This book was released on 2018-06-15 with total page 1036 pages. Available in PDF, EPUB and Kindle. Book excerpt: The comprehensive guide for large turbo-generator operation and maintenance The Handbook of Large Turbo-Generator Operation and Maintenance is an expanded 3rd edition of the authors’ second edition of the same book. This updated revision covers additional topics on generators and provides more depth on existing topics. It is the ultimate resource for operators and inspectors of large utility and industrial generating facilities who deal with multiple units of disparate size, origin, and vintage. The book is also an excellent learning tool for students, consulting and design engineers. It offers the complete scope of information regarding operation and maintenance of all types of turbine-driven generators found in the world. Based on the authors' ver eighty combined years of generating station and design work experience, the information presented in the book is designed to inform the reader about actual machine operational problems and failure modes that occur in generating stations and other types of facilities. Readers will find very detailed coverage of: Design and construction of generators and auxiliary systems Generator operation and control, including interaction with the grid Monitoring, diagnostics, and protection of turbo-generators Inspection practices for the stator, rotor, and auxiliary systems Maintenance testing, including electrical and non-destructive examination Ideas on maintenance strategies and life cycle management Additional topics on uprating of generators and long term storage are also included The Handbook of Large Turbo-Generator Operation and Maintenance comes packed with photos and graphs, commonly used inspection forms, and extensive references for each topic. It is an indispensable reference for anyone involved in the design, construction, operation, protection, maintenance, and troubleshooting of large generators in generating stations and industrial power facilities.
