Analysis and effect of static eccentricity fault on performance indicators of a synchronous reluctance motor

• Autorzy: Idoko Emmanuel , Umoh Gideon David , Obe Pauline Ijeoma , Mama Benjamin Okwudili , Obe Emeka Simon

Identyfikatory

DOI

10.24425/aee.2023.146052

• Języki publikacji: EN

Abstrakty

EN

Fault diagnosis and condition monitoring of synchronous machines running under load is a key determinant of their lifespan and performance. Faults such as broken rotor bars, bent shafts and bearing issues lead to eccentricity faults. These faults if not monitored may lead to repair, replacement and unforeseen loss of income. Researchers who attempted to investigate this kind of machine stopped at characterizing and deduced ways, types and effects of rotor eccentricity fault on the machine inductances using the winding function method. A modified closed-form analytical model of an eccentric synchronus reluctance motor (SynRM) is developed here taking into cognizance the machine dimensions and winding distribution for the cases of a healthy and unhealthy SynRM. This paper reports the study the SynRM under static rotor eccentricity using the developed analytical model and firming up the model with finite element method (FEM) solutions. These methods are beneficial as they investigated and presented the influence of the degrees of static eccentricity on the machine performance indicators such as speed, torque and the stator current and assess the extent to which the machine performance will deteriorate when running with and without load. The results show that static eccentricity significantly affects the machine’s performance as the degree of eccentricity increases.

Słowa kluczowe

EN

degree of eccentricity; faults; finite element method; inductances; static eccentricity; synchronous reluctance motor; winding function

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2023
• Tom: Vol. 72, nr 3
• Strony: 829--848
• Opis fizyczny: Bibliogr. 38 poz., fig., tab.

Twórcy

autor

Idoko Emmanuel

• Department of Electrical and Electronics Engineering, Federal University of Agriculture 970101 Makurdi, Benue State, Nigeria

• https://orcid.org/0000-0001-8824-4736

autor

Umoh Gideon David

• Department of Electrical Engineering, Maritime Academy 523101 Oron, Akwa Ibom State, Nigeria

• https://orcid.org/0000-0002-2886-3161

autor

Obe Pauline Ijeoma

• Department of Industrial Technical Education, University of Nigeria 410001 Nsukka, Enugu State, Nigeria

• https://orcid.org/0000-0002-4766-2859

autor

Mama Benjamin Okwudili

• Department of Civil Engineering, University of Nigeria 410001 Nsukka, Enugu State, Nigeria

• https://orcid.org/0000-0002-0175-0060

autor

Obe Emeka Simon

• Department of Electrical, Electronic and Telecommunications Engineering Botswana International University of Science and Technology Plot 10071 Boseja, Palapye, Botswana

• https://orcid.org/0000-0001-9530-2009

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).