Page 1

Antรณnio A. Roque11,2 e Josรฉ M. Ruiz3

Artigo Tรฉcnico

1

DatAnรกlise, Serviรงos e Tรฉcnicas de Manutenรงรฃo, Lda, Oeiras, Portugal 2

IDMEC/ISEL - Instituto Superior de Engenharia de Lisboa, Departamento de Engenharia Mecรขnica, Lisboa, Portugal 3

DatAnรกlise Espaรฑa, SL, Madrid, Espaรฑa

aroque@datanalise.pt ยท aroque@dem.isel.ipl.pt jcalado@dem.isel.ipl.pt ยท jruiz@datanalise.es

Controlo de Condiรงรฃo de Motores Elรฉctricos de Induรงรฃo Trifรกsicos (Anรกlise de Vibraรงรตes versus Anรกlise de Corrente Elรฉctrica) 5HVXPRยณ2VPRWRUHVHOpFWULFRVHVREUHWXGRRVPRWRUHVHOpFWULFRVGHLQGXomRWULIiVLFRVID]HPKRMHSDUWHLQWHJUDQWHGRDFFLR QDPHQWRGDPDLRULDGDVFDGHLDVFLQHPiWLFDVH[LVWHQWHVQDLQG~VWULD2REMHFWLYRGHVWHWUDEDOKRpHVWXGDURVGHIHLWRVTXHRFRUUHP QHVWHVHTXLSDPHQWRVHVREUHWXGRHVWDEHOHFHUXPDPHWRGRORJLDTXHSHUPLWDVDEHUTXDLVGDVWpFQLFDVGHGLDJQyVWLFRยฒDQiOLVHGH YLEUDo}HVHRXDQiOLVHGHFRUUHQWHHOpFWULFDVHUmRDVPDLVHILFD]HVRXDVPDLVVHQVtYHLVQDGHWHFomRGHVVHVGHIHLWRVIDFLOLWDQGRR SURFHVVRGDDQiOLVHGRVGDGRVHUHVSHFWLYRGLDJQyVWLFR

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Figura 1 โ€“ Quadro de distribuiรงรฃo de avarias nos motores elรฉctricos de induรงรฃo.

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C. Anรกlise de vibraรงรตes โ€“ Espectros tรญpicos โ€“ barras partidas 2 HVSHFWUR GH IUHTXrQFLDV WtSLFR UHWLUDGR GR VLQDO QR WHPSR UH FROKLGR QXP SRQWR ItVLFR GR PRWRU SRU H[HPSOR ODGR GR DWDTXH QD GLUHFomR YHUWLFDO  H DVVRFLDGR DR SUREOHPD GH EDUUDV SDUWLGDV DSUH VHQWDDIUHTXrQFLDGHURWDomRGRURWRU [USP HKDUPyQLFDV [[ [ ยซ [ 5SP  FRP EDQGDV ODWHUDLV j IUHTXrQFLD GH SDVVDJHP GRV SyORV fpp  fd p  3DUD VHU SRVVtYHO YLVXDOL]DU DV EDQGDV ODWHUDLV p QHFHVViULRTXHRHVSHFWURVHMDGHDOWDUHVROXomR OLQKDVGHUH VROXomRHIUHTXrQFLDPi[LPDGHLQWHUHVVHยฒ)PD[ยฒQmRVXSHULRUD [5SP 6HDGLFLRQDOPHQWHIRUUHFROKLGRRHVSHFWURGHDOWDIUHTXrQFLD FRP)PD[VXSHULRUD[DIUHTXrQFLDGHSDVVDJHPGDVEDUUDVGRURWRU fpbr  Nr nbr  VHUi SRVVtYHO REVHUYDU DV IUHTXrQFLDV [ H [ fpbr  FRPEDQGDVODWHUDLVD[ fl  fl IUHTXrQFLDGDOLQKD

Figura 4 โ€“ Severidade da condiรงรฃo do rotor em funรงรฃo do estado das barras.

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Controlo de condição de motores eléctricos de indução trifásicos (análise de vibrações versus anális  

Autor: António A. Roque, José M. Ruiz; Revista: Manutenção nº106 e 107

Controlo de condição de motores eléctricos de indução trifásicos (análise de vibrações versus anális  

Autor: António A. Roque, José M. Ruiz; Revista: Manutenção nº106 e 107