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| Author | : Stanley E. Zocholl |
| Publisher | : |
| Total Pages | : 95 |
| Release | : 2004-08-01 |
| Genre | : Electric transformers |
| ISBN | : 9780972502627 |
| Author | : Kamal Krishna Maity |
| Publisher | : |
| Total Pages | : 105 |
| Release | : 2018-04-16 |
| Genre | : |
| ISBN | : 9781980849452 |
This book will be useful for fresh graduate and post graduate Electrical engineering students & Working professional. This book convers basic Design concept with theory and practical project calculation related to Current and Voltage Transformers & it will be a very good handbook for fresh engineer & also experienced professionals. This book contain following Topics:PURPOSE BASIC THEORY OF OPERATION VOLTAGE TRANSFORMERS VECTOR DIAGRAMACCURACY OF VOLTAGE TRANSFORMERSCONNECTION OF VOLTAGE TRANSFORMERS CONNECTION TO OBTAIN THE RESIDUAL VOLTAGE FERRO-RESONANCE IN MAGNETIC VOLTAGE TRANSFORMERPROTECTION OF VOLTAGE TRANSFORMERS VOLTAGE DROP IN VOLTAGE TRANSFORMERSSECONDARY EARTHING OF VOLTAGE TRANSFORMERS CLASSIFICATION OF VOLTAGE TRANSFORMERS (VTS) DESIGN PARAMETERS (SERVICE CONDITIONS AND LIKELY DERATINGS) GENERAL SPECIFICATIONS AND DESIGN CONSIDERATIONS FOR VOLTAGE TRANSFORMERS (VTS) INSTRUMENT VOLTAGE TRANSFORMERS RESIDUAL VOLTAGE TRANSFORMERS (RVTS) CAPACITOR VOLTAGE TRANSFORMERS (CVTS) CONTROL TRANSFORMERS PRECAUTIONS TO BE OBSERVED WHILE INSTALLING A VOLTAGE TRANSFORMERPECIFICATION OF VTS CURRENT TRANSFORMERS GENERAL SPECIFICATIONS AND DESIGN CONSIDERATIONS FOR CURRENT TRANSFORMERS INTERPOSING CURRENT TRANSFORMERS SUMMATION CURRENT TRANSFORMERS PROTECTION CURRENT TRANSFORMERS MAGNETIZATION CURVE KNEE-POINT VOLTAGE METERING CTS PROTECTION CTSPOLARITY OPEN CIRCUITS OF CTS SECONDARY RESISTANCE CT SPECIFICATION CLASS X CURRENT TRANSFORMERS CONNECTION OF CURRENT TRANSFORMERS TERMINAL DESIGNATIONS FOR CURRENT TRANSFORMERS SECONDARY EARTHING OF CURRENT TRANSFORMERS TEST WINDINGS APPLICATION OF CURRENT TRANSFORMERSOVERCURRENT OVERCURRENT AND EARTH FAULT SPECIAL-PURPOSE CURRENT TRANSFORMERS, TYPE,'PS' CORE-BALANCED CURRENT TRANSFORMERS (C BCTS) SHORT-TIME RATING AND EFFECT OF MOMENTARY PEAK OR DYNAMIC CURRENTS CT SIZING CALCULATION PT SIZING CALCULATION
| Author | : Xose M. López-Fernández |
| Publisher | : CRC Press |
| Total Pages | : 627 |
| Release | : 2017-12-19 |
| Genre | : Technology & Engineering |
| ISBN | : 1351832395 |
Recent catastrophic blackouts have exposed major vulnerabilities in the existing generation, transmission, and distribution systems of transformers widely used for energy transfer, measurement, protection, and signal coupling. As a result, the reliability of the entire power system is now uncertain, and many blame severe underinvestment, aging technology, and a conservative approach to innovation. Composed of contributions from noted industry experts around the world, Transformers: Analysis, Design, and Measurement offers invaluable information to help designers and users overcome these and other challenges associated with the design, construction, application, and analysis of transformers. This book is divided into three sections to address contemporary economic, design, diagnostic, and maintenance aspects associated with power, instrument, and high-frequency transformers. Topics covered include: Design considerations Capability to withstand short circuits Insulation problems Stray losses, screening, and local excessive heating hazard Shell type and superconducting transformers Links between design and maintenance Component-related diagnostics and reliability Economics of life-cycle cost, design review, and risk-management methods Parameter measurement and prediction This book is an essential tool for understanding and implementing solutions that will ensure improvements in the development, maintenance, and life-cycle management of optimized transformers. This will lead to enhanced safety and reliability and lower costs for the electrical supply. Illustrating the need for close cooperation between users and manufacturers of transformers, this book outlines ways to achieve man
| Author | : Paul Gill |
| Publisher | : CRC Press |
| Total Pages | : 1001 |
| Release | : 2016-12-19 |
| Genre | : Technology & Engineering |
| ISBN | : 1420017551 |
The second edition of a bestseller, this definitive text covers all aspects of testing and maintenance of the equipment found in electrical power systems serving industrial, commercial, utility substations, and generating plants. It addresses practical aspects of routing testing and maintenance and presents both the methodologies and engineering basics needed to carry out these tasks. It is an essential reference for engineers and technicians responsible for the operation, maintenance, and testing of power system equipment. Comprehensive coverage includes dielectric theory, dissolved gas analysis, cable fault locating, ground resistance measurements, and power factor, dissipation factor, DC, breaker, and relay testing methods.
| Author | : Sivaji Chakravorti |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 289 |
| Release | : 2013-10-21 |
| Genre | : Business & Economics |
| ISBN | : 1447155505 |
Recent Trends in the Condition Monitoring of Transformers reflects the current interest in replacing traditional techniques used in power transformer condition monitoring with non-invasive measures such as polarization/depolarization current measurement, recovery voltage measurement, frequency domain spectroscopy and frequency response analysis. The book stresses the importance of scrutinizing the condition of transformer insulation which may fail under present day conditions of intensive use with the resulting degradation of dielectric properties causing functional failure of the transformer. The text shows the reader how to overcome the key challenges facing today’s maintenance policies, namely: The selection of appropriate techniques for dealing with each type of failure process accounting for the needs of plant owners, plant users and wider society; and Cost-efficiency and durability of effect. Many of the failure-management methods presented rely on the fact that most failures give warning when they are imminent. These potential failures give rise to identifiable physical conditions and the novel approaches described detect them so that action can be taken to avoid degeneration into full-blown functional failure. This “on-condition” maintenance means that equipment can be left in service as long as a specified set of performance standards continue to be met, avoiding the costly downtime imposed by routine and perhaps unnecessary maintenance but without risking equally expensive failure. Recent Trends in the Condition Monitoring of Transformers will be of considerable interest to both academic researchers in power systems and to engineers working in the power generation and distribution industry showing how new and more efficient methods of fault diagnosis and condition management can increase transformer efficiency and cut costs.
| Author | : C. Russell Mason |
| Publisher | : |
| Total Pages | : 410 |
| Release | : 1997* |
| Genre | : |
| ISBN | : |
| Author | : Hector J. Altuve Ferrer |
| Publisher | : |
| Total Pages | : 361 |
| Release | : 2010 |
| Genre | : Electric power systems |
| ISBN | : 9780972502634 |
Modern Solutions for Protection, Control,and Monitoring of Electric Power Systems, Edited by Héctor J. Altuve Ferrer and Edmund O. Schweitzer, III ¿ publishing on June 1, 2010 ¿ addresses the concerns and challenges of protection, control, communications and power system engineers. It also presents solutions relevant to decision-making personnel at electric utilities and industries, and is appropriate for university students and faculty.Approaches, technology solutions and examples explained in this book provide engineers with tools to help meet today¿s power system requirements, including:- Reduced security margins resulting from limitations on new transmission lines and generating stations.- Variable and less predictable power flows stemming from new generation sources and free energy markets.- Modern protection, control, and monitoring solutions to prevent and mitigate blackouts.- Increased communications and automation (sometimes referred to as the ¿smart grid¿)Modern Solutions brings together the combined expertise of engineers working on power system operation, planning, asset management, maintenance, protection, control, monitoring, and communications. Authors include Allen D. Risley, Armando Guzmán Casillas, Brian A. McDermott, Daquing Hou, David A. Costello, David J. Dolezilek, Demtrios Tziouvaras, Edmund O. Schweitzer, III, Gabriel Benmouyal, Gregary C. Zweigle, Héctor J. Altuve Ferrer, Joseph B. Mooney, Michael J. Thompson, Ronald A. Schwartz, and Veselin Skendzic.
| Author | : W. E. Butterworth |
| Publisher | : |
| Total Pages | : 43 |
| Release | : 1988 |
| Genre | : |
| ISBN | : |
| Author | : Ewald F. Fuchs |
| Publisher | : Academic Press |
| Total Pages | : 1138 |
| Release | : 2015-07-14 |
| Genre | : Technology & Engineering |
| ISBN | : 0128009888 |
The second edition of this must-have reference covers power quality issues in four parts, including new discussions related to renewable energy systems. The first part of the book provides background on causes, effects, standards, and measurements of power quality and harmonics. Once the basics are established the authors move on to harmonic modeling of power systems, including components and apparatus (electric machines). The final part of the book is devoted to power quality mitigation approaches and devices, and the fourth part extends the analysis to power quality solutions for renewable energy systems. Throughout the book worked examples and exercises provide practical applications, and tables, charts, and graphs offer useful data for the modeling and analysis of power quality issues. Provides theoretical and practical insight into power quality problems of electric machines and systems 134 practical application (example) problems with solutions 125 problems at the end of chapters dealing with practical applications 924 references, mostly journal articles and conference papers, as well as national and international standards and guidelines
| Author | : Robert Willsher Weekes |
| Publisher | : Hardpress Publishing |
| Total Pages | : 122 |
| Release | : 2012-01 |
| Genre | : |
| ISBN | : 9781407671833 |
Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.
