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Author :
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ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.F/5 ( download)
Download or read book Seismic Evaluation and Retrofit of 230-kV Porcelain Transformer Bushings written by and published by . This book was released on 2000 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amir S. Gilani
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 (633 download)
Download or read book Seismic Evaluation of 230-kV Porcelain Transformer Bushings written by Amir S. Gilani and published by . This book was released on 1999 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (318 download)
Download or read book Seismic Evaluation of 196 KV Porcelain Transformer Bushings written by and published by . This book was released on 1998 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Seismic Evaluation of 550 KV Porcelain Transformer Bushings written by and published by . This book was released on 1999 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 290 pages
Book Rating : 4.:/5 (318 download)
Download or read book Seismic Evaluation and Rehabilitation of Critical Components of Electrical Power Systems written by and published by . This book was released on 2008 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Yang
Publisher : IOS Press
ISBN 13 : 1643683551
Total Pages : 1428 pages
Book Rating : 4.6/5 (436 download)
Download or read book Hydraulic and Civil Engineering Technology VII written by M. Yang and published by IOS Press. This book was released on 2022-12-23 with total page 1428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineering technology is of crucial importance to the infrastructure on which modern societies depend, and keeping abreast of the latest research and developments in the field is of vital importance. This book presents the proceedings of HCET 2022, the 7th International Technical Conference on Frontiers of Hydraulic and Civil Engineering Technology, originally due to be held, in Sanya, China, from 25-27 September 2022, but instead held as a fully virtual event on Zoom due to continued uncertainty related to the Covid 19 pandemic. HCET is a platform for the dissemination of research results on the latest advances in the areas of hydraulic and civil engineering technology and environmental engineering, and provides an opportunity for scientists, researchers and engineers from around the world to exchange their findings, discuss developments, and possibly establish a basis for collaboration. A total of 275 submissions were received from international contributors, and all were subjected to a rigorous peer-review process, with each paper reviewed by a minimum of two experts. Papers were also checked for quality and plagiarism, after which, 163 papers were accepted for presentation and publication. Topics covered include the research and development of concrete structure design and analysis, structural mechanics and structural engineering, geological exploration and earthquake engineering, building technology, urban planning, energy, environment and advanced engineering science and applications. The book offers a state-of-the-art overview of recent developments, and will be of interest to all those working in the fields of hydraulic and civil engineering technology.
Author : Sebastian Martorell
Publisher : CRC Press
ISBN 13 : 1482266482
Total Pages : 3512 pages
Book Rating : 4.4/5 (822 download)
Download or read book Safety, Reliability and Risk Analysis written by Sebastian Martorell and published by CRC Press. This book was released on 2008-09-10 with total page 3512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Safety, Reliability and Risk Analysis. Theory, Methods and Applications contains the papers presented at the joint ESREL (European Safety and Reliability) and SRA-Europe (Society for Risk Analysis Europe) Conference (Valencia, Spain, 22-25 September 2008). The book covers a wide range of topics, including: Accident and Incident Investigation; Crisi
Author :
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ISBN 13 :
Total Pages : 141 pages
Book Rating : 4.:/5 (131 download)
Download or read book Seismic Evaluation of 196 KV Transformer Bushings written by and published by . This book was released on 2017 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transformer bushings have shown to have an unsatisfactory performance during earthquakes and have therefore been chosen for further testing. How the bushings fail, and how this failure can be prevented has been analyzed. Two used 196 kV bushings made by General Electric were chosen for seismic testing at the iSTAR laboratory located at Portland State University in Portland, OR. The multiple objectives that brought about these tests were: to determine how the bushings failed due to gasket extrusion at the porcelain-flange connection and to verify that the failure was due to pure tipping and not sliding, to determine the damping introduced when the bushing was supported by a flexible plate with a welded support structure and excited at large amplitudes, determine the natural frequency of the assembly, and to determine the effects of added mass to the top of the bushing. To meet the objectives, the bushings were tested using two different test set-ups: a stiff mounted setup, and a flexible mounted setup. For both test set-ups, the bushings were first mounted inside a turret to simulate an electrical transformer, and the turret was mounted to a flexible or stiff plate, depending on the test. The flexible or stiff plate tests were bolted to a one-direction shake table. The bushings were individually subjected to static and dynamic testing until failure due to oil leakage.
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ISBN 13 :
Total Pages : 598 pages
Book Rating : 4.3/5 (91 download)
Download or read book Report written by and published by . This book was released on 2002 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : KEITH ELLIS
Publisher : Author House
ISBN 13 : 1463442769
Total Pages : 117 pages
Book Rating : 4.4/5 (634 download)
Download or read book Bushings for Power Transformers written by KEITH ELLIS and published by Author House. This book was released on 2011-09-01 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bushings for Power Transformers, A Guide for Power Engineers There are number of good books on power transformers available in the marketplace and they go into much detail on the theories, designs, construction, components and testing of power transformers. However, they only devote one short chapter to bushings. Bushings are the most important component on your power transformer and one that is maybe least understood. This book will provide the Utility Power Engineer as well as the Utility Technician with a Handbook that will fast become the main reference tool when a bushing issue arises. For the Power Engineer who specifies new power transformers, it will become the go to handbook that will help them to avoid costly mistakes when specifying the bushings in their power transformer specification. This book will review the history of bushings for power transformers and will review the industry standards that apply to bushings. The book covers the different technologies used in bushing construction and will examine the techniques used in the selection of bushings for power transformers. It provides the basic information on bushing tests and how they relate to the power transformers. There is a chapter on maintenance and a guide for replacing bushings. The last chapter deals with a topic that occurs all too often, power transformer failures. This book provides a guide for investigating a power transformer failure when the bushing is suspect. The first hours after a failure is the most critical time help understand what caused the failure. This chapter will help the Utility reach the root cause of the event and hopefully prevent future failures. Every Power Engineer and Power Technician needs Bushings for Power Transformers in their bag of tools as they deal with their power transformers.
Author : Clay Joshua Naito
Publisher :
ISBN 13 :
Total Pages : 262 pages
Book Rating : 4.:/5 (318 download)
Download or read book Experimental and Computational Evaluation of Reinforced Concrete Bridge Beam-column Connections for Seismic Performance written by Clay Joshua Naito and published by . This book was released on 2001 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Konstantinos Oikonomou
Publisher :
ISBN 13 :
Total Pages : 185 pages
Book Rating : 4.:/5 (668 download)
Download or read book MODELING OF ELECTRICAL TRANSFORMERS AND SEISMIC PERFORMANCE EVALUATION OF HIGH VOLTAGE TRANSFORMER BUSHINGS written by Konstantinos Oikonomou and published by . This book was released on 2010 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical transformers are complex structures, crucial for the operation of a power system, an important lifeline for community resilience. Damage sustained in past strong earthquakes rendered many of them unusable, leading to severe economic losses. Of particular interest for the overall performance is the dynamic response of high voltage bushings, the failure of which is closely associated with the loss of functionality of the transformer. This study deals with the modeling variations and structural modifications of commercial finite element models of an existing transformer in view of identifying its dynamic characteristics and the significant interactions between various components and the high voltage bushings.^Detailed sensitivity analyses are performed on a finite element model which comprises three identical 196 kV bushings mounted on top of a 230 kV transformer. Bushings are modeled using properties provided by manufacturers while the cover plate is modeled considering only the important structural features. The base of the structure is excited with 3-D wide band random motion (white noise) and the IEEE-693 spectrum compatible ground motion. Transfer functions are calculated to determine the relevant properties, even when the structure has nonlinear elements. The interaction between the bushings and several main parts of the transformer is assessed through cross-spectra and coherences. Sensitivity of interaction is determined by modifying properties of interacting critical parts on the transformer, especially the cover, radiators, surge arresters and the core assembly.^Moreover, the response quantities of interest (accelerations and displacements) are measured at specific locations on the bushings and the spectra at the corners of the cover and at the base of the turrets are obtained, to which, the response of the bushings is associated. The detailed techniques for the modeling of the bushings are presented along with a discussion on the sensitivity of interactions. Additional investigations conducted, include analyses on models in which the cover was separated from the transformer. Various boundary conditions are examined in an effort to match the response at the bushings with the respective response obtained from the full model.
Author : Nicos Makris
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (318 download)
Download or read book Seismic Response Analysis of Highway Overcrossings Including Soil-structure Interaction written by Nicos Makris and published by . This book was released on 2001 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yasuhide Okuyama
Publisher : Springer Science & Business Media
ISBN 13 : 3540247874
Total Pages : 324 pages
Book Rating : 4.5/5 (42 download)
Download or read book Modeling Spatial and Economic Impacts of Disasters written by Yasuhide Okuyama and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is dedicated to the memory of Barclay G. Jones, Professor of City and Regional Planning and Regional Science at Cornell University. Over a decade ago, Barclay took on a fledgling area of study - economic modeling of disasters - and nurtured its early development. He served as the social science program director at the National Center for Earthquake Engineering Research (NCEER), a university consortium sponsored by the National Science Foundation and the Federal Emergency Management Agency of the United States. In this capacity, Barclay shepherded and attracted a number of regional scientists to the study of disasters. He organized a conference, held in the ill-fated World Trade Center in September 1995, on "The Economic Consequences of Earthquakes: Preparing for the Unexpected. " He persistently advocated the importance of social science research in an establishment dominated by less-than-sympathetic natural scientists and engineers. In 1993, Barclay organized the first of a series of sessions on "Measuring Regional Economic Effects of Unscheduled Events" at the North American Meetings of the Regional Science Association International (RSAI). This unusual nomenclature brought attention to the challenge that disasters -largely unanticipated, often sudden, and always disorderly - pose to the regional science modeling tradition. The sessions provided an annual forum for a growing coalition of researchers, where previously the literature had been fragmentary, scattered, and episodic. Since Barclay's unexpected passing in 1997, we have continued this effort in his tradition.
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ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Report written by and published by . This book was released on 2008 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 958 pages
Book Rating : 4.:/5 (318 download)
Download or read book Earthquake Spectra written by and published by . This book was released on 2004 with total page 958 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.F/5 ( download)
Download or read book Documentation and Analysis of Field Case Histories of Seismic Compression During the 1994 Northridge, California Earthquake written by and published by . This book was released on 2002 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
