Electric Drive Propulsion For Ships
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Electric Drive Propulsion For Ships
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Author : John A. Culver
language : en
Publisher:
Release Date : 2006
Electric Drive Propulsion For Ships written by John A. Culver and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Ship propulsion categories.
Electric drive ships are returning to the scene after a brief stay out of the maritime field. Now electric drive is returning in Roll-on Roll-off ships, Ferry Boats, Ocean Surveillance ships, Platform Supply Ships and Coast Guard Ice Breakers. Gas turbine generators have a potential of taking over prime movers for electric drive propulsion. Podded electric propulsions (PODS) are being used in some foreign ships. The U.S. Navy is looking at integrating electrical distribution systems with gas turbine generators to create an “all electric ship”. This book is an historical overview of electric drive propulsion in United States ships from 1900 to 2004. This includes ships of the U.S. Navy, Merchant Marine, Coast Guard and Oceanography. The summary is a list which gives the name or class of ship or submarine that have or had electric drive propulsion machinery installed. Each listing gives some details of a ship or class of ship, length, tonnage, and type of electric drive propulsion units and in some cases the shipbuilder and machinery manufacturer. Also, there are block diagrams showing the electric drive arrangement for each class of ship. The historical summary includes ships and submarine from 1900 to the massive build-up of ships with electic drive during World War II and into the slow down of the post war years. Naval Architects, Marine Engineers, shipbuilders, design agents, manufacturers of electric drive machinery, and personnel of the sea services will welcome this book to their library.
The Electric Propulsion Of Ships
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Author : H. M. Hobart
language : en
Publisher: Forgotten Books
Release Date : 2015-06-26
The Electric Propulsion Of Ships written by H. M. Hobart and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-26 with Technology & Engineering categories.
Excerpt from The Electric Propulsion of Ships Much attention is now being given to propositions relating to the electric propulsion of ships. A study of the circumstances reveals a remarkable accordance of means and requirements. The case may be briefly outlined as follow's: - The double transformation of energy in the form of work into energy in the form of electricity and again from electricity into work, may often, when the operations are on a large scale, be effected at an overall efficiency of 90 per cent, and even higher. In other words, at the cost of a loss of 10 per cent, in energy and of the initial and maintenance cost of the electrical machinery, engineers can interpose an electric drive between the prime mover and the machinery to be driven. The object of interposing an electric drive is to obtain advantages of flexibility which will permit of securing greater efficiency both in the prime mover and in the driven machinery, which, in the case of ship propulsion, is the propeller. Further great advantages relate to the superior means of control rendered available with electric drive. In the case of ship propulsion, the prime mover has, until recently, almost always been a reciprocating engine. But during the last ten years, many ships have been fitted with steam turbines. As applied to ship propulsion, the steam turbine has not met with any approach to the almost unqualified success which has attended its use on land. This is chiefly because, in applying the steam turbine to ship propulsion, it has been necessary to adopt speeds several times lower than have been customary with land turbines. This has been necessary owing to the well-known circumstance that the efficiency attainable with the screw propeller is lower (for a given power) the higher the speed of revolutions. It was a realization of this circumstance, more than any other consideration, which first led to serious propositions for the electrical driving of large ships. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Electrical Plants And Electric Propulsion On Ships Extended Edition 2019
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Author : Marco Giuffrida
language : en
Publisher: Lulu.com
Release Date : 2018-11-14
Electrical Plants And Electric Propulsion On Ships Extended Edition 2019 written by Marco Giuffrida and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-14 with categories.
Electrical plants on-board modern cruise ships, offshore rigs and other naval vessels have nowadays reached a size and complexity comparable or even superior to big industrial plants and power plants. The continuous increase of the size of ships and the widely accepted adoption of electrical propulsion has led to the installation of HV (MV) power generation and distribution plants of very high power, tens of MW. Everybody who plans, manages or services these complex on-board power plants nowadays must have knowledge as well of HV plants and electrical machines, power converters, protection relays, of control and automation systems. This book intends to be an overview of technical features and planning issues of these electrical plants. It is meant to bear general validity, even if it is focused on larger ships with HV plants and electrical propulsion.
The Electric Propulsion Of Ships
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Author : Henry Metcalf Hobart
language : en
Publisher:
Release Date : 1911
The Electric Propulsion Of Ships written by Henry Metcalf Hobart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1911 with Marine engineering categories.
Electric Drive Propulsion For U S Navy Ships
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Author : Ronald O'Rourke
language : en
Publisher:
Release Date : 2000
Electric Drive Propulsion For U S Navy Ships written by Ronald O'Rourke and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Destroyers (Warships) categories.
"This report provides background information and discusses issues for Congress rearding the use of electric-drive propulsion technology (as opposed to traditional mechanical-drive technology) on U.S. Navy Ships"--Introduction.
Electric Boats And Ships
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Author : Kevin Desmond
language : en
Publisher: McFarland
Release Date : 2017-09-21
Electric Boats And Ships written by Kevin Desmond and has been published by McFarland this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-21 with Transportation categories.
Electric propulsion for boats was developed in the early 19th century and--despite the advent of the internal combustion engine--continued with the perfecting of the modern turbo-electric ship. Sustainable and hybrid technologies, pioneered in small inland watercraft toward the end of the 20th century, have in recent years been scaled up to create integrated electric drives for the largest ocean-going vessels. This comprehensive history traces the birth and rebirth of the electric boat from 1835 to the present, celebrating the Golden Age of electric launches, 1880-1910.
Electric Ship Propulsion A Critical Study Of The Principal Methods In Use
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Author : Basil Grigorievych Anekieff
language : en
Publisher:
Release Date : 1933
Electric Ship Propulsion A Critical Study Of The Principal Methods In Use written by Basil Grigorievych Anekieff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1933 with Ship propulsion, Electric categories.
An Evaluation Of Electric Motors For Ship Propulsion
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Author : Bobby A. Bassham
language : en
Publisher:
Release Date : 2003-06-01
An Evaluation Of Electric Motors For Ship Propulsion written by Bobby A. Bassham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-06-01 with categories.
An evaluation was conducted of the various propulsion motors being considered for electric ship propulsion. The benefit of such an evaluation is that all of the propulsion options being considered by the U.S. Navy have been described in one document. The AC induction motor, AC synchronous motor, High Temperature Superconducting (HTS) motor and Superconducting DC Homopolar Motor (SDCHM) are examined. The properties, advantages, and disadvantages of each motor are discussed and compared. The power converters used to control large propulsion motors are also discussed. The Navy's IPS program is discussed and the results of concept testing are presented. Podded propulsion is introduced and the benefits are discussed. The final chapter presents the simulation results of a volts/Hertz controlled 30 MW induction motor. The evaluation revealed that the permanent magnet motor is the best propulsion motor when considering mature technology, power density, and acoustic performance. HTS motors offer significant volume reductions and improved acoustic performance as compared to conventional motors. This includes both AC and DC HTS motors. The main obstacle for the SDCHM remains the unavailability of high current capacity brushes.
Diesel Electric Direct Current Drive For Surface Ships
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Author : United States. Navy Department. Bureau of Ships
language : en
Publisher:
Release Date : 1945
Diesel Electric Direct Current Drive For Surface Ships written by United States. Navy Department. Bureau of Ships and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1945 with Ship propulsion, Electric categories.
Framework For Quantifying Uncertainty In Electric Ship Design
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Author : Isaac Porche
language : en
Publisher:
Release Date : 2004
Framework For Quantifying Uncertainty In Electric Ship Design written by Isaac Porche and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Mathematics categories.
RAND presents a framework for assessing various scomponents of electric drive propulsion for naval vessels and determining their effects on overall ship performance.