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Rotating Linear Syncronous Generators for Renewable Electric Energy Conversion: an Update of the Ongoing Research Projects at Uppsala University
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Division for Electricity and Lightning Research.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Division for Electricity and Lightning Research.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Division for Electricity and Lightning Research.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Division for Electricity and Lightning Research.
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2004 (English)Conference paper, Published paper (Other academic)
Place, publisher, year, edition, pages
2004.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-94422OAI: oai:DiVA.org:uu-94422DiVA: diva2:168261
Conference
Nordic Workshop on Power and Industrial Electronics, NORPIE, 14-16 juni, 2004, Trondheim, Norway
Available from: 2006-04-28 Created: 2006-04-28 Last updated: 2013-07-26Bibliographically approved
In thesis
1. Electric Power Generation and Storage Using a High Voltage Approach
Open this publication in new window or tab >>Electric Power Generation and Storage Using a High Voltage Approach
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Production and consumption of electricity have grown enormously during the last century. No mater what the primary source of energy is, almost all generation of electricity comes from conversion of a rotational movement in a generator. The aim of this thesis is to see how high voltage technology influence production and storage of electricity. Power flow in the generators used to convert mechanical movement to electric energy is analyzed using Poynting‘s vector. The impact of new generator technology for efficient extraction of hydroelectric power is shown. Simulation of a large permanent magnet turbo generator is presented. A flywheel storage system for electric vehicles utilizing high voltage technology is also presented. In pulsed power applications, a cheap method for intermediate storage of energy during milliseconds, which enables an inductive primary storage is presented and experimentally tested.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2006. 91 p.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 173
Keyword
Engineering physics, Flywheel, Generation, Generator, High Voltage, Power flow, Poynting, Teknisk fysik
Identifiers
urn:nbn:se:uu:diva-6833 (URN)91-554-6552-8 (ISBN)
Public defence
2006-05-19, Polhemsalen, Ångström, Lägerhyddsvägen 1, Uppsala, 13:15
Opponent
Supervisors
Available from: 2006-04-28 Created: 2006-04-28Bibliographically approved
2. Inductive Pulse Generation
Open this publication in new window or tab >>Inductive Pulse Generation
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Pulsed power generators are a key component in compact systems for generation of high-power microwaves (HPM). HPM generation by virtual cathode devices such as Vircators put high demands on the source. The rise time and the pulse length of the source voltage are two key issues in the generation of HPM radiation. This thesis describes the construction and tests of several inductive high power pulse generators. The pulse generators were designed with the intent to deliver a pulse with fast rise time and rectangular voltage. Therefore, the pulse generators are all based on discharges of transmission lines. The transmission lines used in the pulse generators are modern high voltage cables normally used in power transmission. All tested pulse generators have step up transformers as intermediate magnetic energy storage. Further, the pulse generators have contributed to the knowledge of compact designs. Closing switches is another important device in pulse generator architectures. In general, high power switching involving large currents and high voltages requires the use of robust switches. The switches used in the pulse generators of this thesis are of gas and liquid type.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2006. 93 p.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 159
Keyword
Technology, Pulsed Power, Inductive Pulse Generator, High Voltage, Semicon, XLPE, TEKNIKVETENSKAP
National Category
Engineering and Technology
Identifiers
urn:nbn:se:uu:diva-6699 (URN)91-554-6506-4 (ISBN)
Public defence
2006-04-28, Polhemsalen, Ångströmslaboratoriet, Uppsala, 13:15
Opponent
Supervisors
Available from: 2006-04-06 Created: 2006-04-06 Last updated: 2013-07-26Bibliographically approved

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http://www.elkraft.ntnu.no/norpie/10956873/Final%20Papers/055%20-%20Norpie%202004_Uppsala_University.pdf

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Eriksson, SandraIsberg, JanSundberg, JanBernhoff, HansWolfbrandt, AneÅgren, OlovLeijon, Mats

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