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Electromagnet and switchboard for slewing crane

Bibliographic Details
Main Author: Pedrosa, Delfim Duarte Rolo
Publication Date: 2006
Other Authors: Teixeira, Patrício, Esteves, João Sena
Language: eng
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: http://hdl.handle.net/1822/6076
Summary: This paper presents an electromagnet and a switchboard used on a science fair slewing crane described in a separate paper. The electromagnet can lift 50kg loads. The switchboard includes a transformer that powers the electromagnet. It also contains relays, contactors and inverters that allow the operation of the crane three-phase motors using a single-phase power supply. Crane slewing is limited to an 180º angle, for safety reasons. Pressing an emergency button switches off all command circuits. An 8051 microcontroller-based system determines the vertical position of the electromagnet, which cannot be switched off while being on a high position, not even if the emergency button is pressed.
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spelling Electromagnet and switchboard for slewing craneElectromagnetSwitchboardContactorInverter8051 microcontrollerThis paper presents an electromagnet and a switchboard used on a science fair slewing crane described in a separate paper. The electromagnet can lift 50kg loads. The switchboard includes a transformer that powers the electromagnet. It also contains relays, contactors and inverters that allow the operation of the crane three-phase motors using a single-phase power supply. Crane slewing is limited to an 180º angle, for safety reasons. Pressing an emergency button switches off all command circuits. An 8051 microcontroller-based system determines the vertical position of the electromagnet, which cannot be switched off while being on a high position, not even if the emergency button is pressed.Universidade do MinhoPedrosa, Delfim Duarte RoloTeixeira, PatrícioEsteves, João Sena2006-092006-09-01T00:00:00Zconference paperinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/1822/6076engINTERNATIONAL CONFERENCE ON HANDS ON SCIENCE, 3, Braga, Portugal, 2006 - “International Conference on Hands on Science”. [S.l. : s.n., 2006]. ISBN 989-9509-50-7. p. 194-200.989-9509-50-7info:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2024-05-11T07:06:26Zoai:repositorium.sdum.uminho.pt:1822/6076Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T16:15:30.749858Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Electromagnet and switchboard for slewing crane
title Electromagnet and switchboard for slewing crane
spellingShingle Electromagnet and switchboard for slewing crane
Pedrosa, Delfim Duarte Rolo
Electromagnet
Switchboard
Contactor
Inverter
8051 microcontroller
title_short Electromagnet and switchboard for slewing crane
title_full Electromagnet and switchboard for slewing crane
title_fullStr Electromagnet and switchboard for slewing crane
title_full_unstemmed Electromagnet and switchboard for slewing crane
title_sort Electromagnet and switchboard for slewing crane
author Pedrosa, Delfim Duarte Rolo
author_facet Pedrosa, Delfim Duarte Rolo
Teixeira, Patrício
Esteves, João Sena
author_role author
author2 Teixeira, Patrício
Esteves, João Sena
author2_role author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Pedrosa, Delfim Duarte Rolo
Teixeira, Patrício
Esteves, João Sena
dc.subject.por.fl_str_mv Electromagnet
Switchboard
Contactor
Inverter
8051 microcontroller
topic Electromagnet
Switchboard
Contactor
Inverter
8051 microcontroller
description This paper presents an electromagnet and a switchboard used on a science fair slewing crane described in a separate paper. The electromagnet can lift 50kg loads. The switchboard includes a transformer that powers the electromagnet. It also contains relays, contactors and inverters that allow the operation of the crane three-phase motors using a single-phase power supply. Crane slewing is limited to an 180º angle, for safety reasons. Pressing an emergency button switches off all command circuits. An 8051 microcontroller-based system determines the vertical position of the electromagnet, which cannot be switched off while being on a high position, not even if the emergency button is pressed.
publishDate 2006
dc.date.none.fl_str_mv 2006-09
2006-09-01T00:00:00Z
dc.type.driver.fl_str_mv conference paper
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/1822/6076
url http://hdl.handle.net/1822/6076
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv INTERNATIONAL CONFERENCE ON HANDS ON SCIENCE, 3, Braga, Portugal, 2006 - “International Conference on Hands on Science”. [S.l. : s.n., 2006]. ISBN 989-9509-50-7. p. 194-200.
989-9509-50-7
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
_version_ 1833595838838865920

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