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Analysis of electric power demands of podded propulsors

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dc.contributor.author Prousalidis, JM en
dc.contributor.author Mouzakis, PS en
dc.date.accessioned 2014-03-01T01:32:45Z
dc.date.available 2014-03-01T01:32:45Z
dc.date.issued 2010 en
dc.identifier.issn 1476-1548 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/20215
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-78649806135&partnerID=40&md5=46fb98360a71d3ff5936367ab93ef052 en
dc.subject.other AC motor drives en
dc.subject.other Apparent power en
dc.subject.other Asynchronous motor en
dc.subject.other Azimuth angles en
dc.subject.other Electric components en
dc.subject.other Electric motor drives en
dc.subject.other Electric power en
dc.subject.other Electric power demands en
dc.subject.other Electric systems en
dc.subject.other Failure rate en
dc.subject.other Generator sets en
dc.subject.other Motor drive en
dc.subject.other POD propulsion en
dc.subject.other Podded propulsors en
dc.subject.other AC generator motors en
dc.subject.other AC motors en
dc.subject.other Computer simulation en
dc.subject.other Electric locomotives en
dc.subject.other Nameplates en
dc.subject.other Ship propulsion en
dc.subject.other Synchronous motors en
dc.subject.other Electric drives en
dc.title Analysis of electric power demands of podded propulsors en
heal.type journalArticle en
heal.language English en
heal.publicationDate 2010 en
heal.abstract The authors investigate and analyse the electric power operating conditions of podded electric motor drives, mainly in an attempt to explain the high failure rates of the electric components in pod propulsion installations. The analysis is based on simulations, where the pod torque demands are obtained from experimental results recently published in the literature. Thus, the same series of loading scenarios for an entire range of turning azimuth angles of a twin pod configuration are considered. The approach is rather generic as only nameplate data of the motor drives are required while, as the simulations focus on the electric motors, the rest of the ship electric system considered, including generator sets, is represented by a simplified network. Two different sets of simulations are considered, one comprisng a synchronous ac motor drive and one with an asynchronous motor motor of similar rating. In all cases, it is shown that during manoeuvring in a certain range of azimuth angles significant overloading occurs exceeding the apparent power capacity of the motors. en
heal.publisher INST MARINE ENGINEERING, SCI & TECHNOL en
heal.journalName Proceedings of the Institute of Marine Engineering, Science and Technology Part A: Journal of Marine Engineering and Technology en
dc.identifier.isi ISI:000274289200001 en
dc.identifier.issue 16 en
dc.identifier.spage 3 en
dc.identifier.epage 13 en


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