{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/127306"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/127306","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Plasma sprayed ceramic coatings for electric machine insulation","abstract":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-12-01","abstract_html":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-12-01","abstract_has_math":false,"creators":["Wolhaupter, Brian"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Electrical & Computer Engr","degree_department":null,"school":null,"contributors":["Haran, Kiruba S"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2024,"date_issued":"2024-09-12","date_published":"2024-09-12","updated_at":"2026-07-22T22:25:03Z","subjects":["Electric Machines","Insulation","Ceramics","Plasma Spray"],"languages":["en","eng"],"rights":["Copyright 2024 Brian Wolhaupter"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/127306","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Haran, Kiruba S"]},{"key":"dc:creator","label":"Author","values":["Wolhaupter, Brian"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2024-09-12","2024-12"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical & Computer Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Electric Machines","Insulation","Ceramics","Plasma Spray"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2024 Brian Wolhaupter"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/127306"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-12-01","The student, Brian Wolhaupter, accepted the attached license on 2024-09-11 at 13:32.","The student, Brian Wolhaupter, submitted this Thesis for approval on 2024-09-11 at 13:42.","This Thesis was approved for publication on 2024-09-12 at 15:51.","DSpace SAF Submission Ingestion Package generated from Vireo submission #20849 on 2025-03-28 at 14:42:20","As weight sensitive industries such as the automotive and aerospace industries seek to electrify powertrains, the demand for high power density electric machines is rising. Significant resources have been dedicated to improving machine architectures, but the machine architectures are not the only limiting factors. Insulation technology limits power density by reducing the maximum allowable temperature and thus, the current density in the machine. To overcome this, new insulation materials need to be capable of resisting higher temperatures, resist partial discharge induced damage, and have a higher thermal conductivities than existing materials. Ceramics meet these requirements, but they are not easily adapted to machine slot insulation due to challenges in fabricating thin ceramic structures. This thesis proposes using plasma sprayed ceramic coatings to apply a layer of ceramic insulation directly to machine stator cores. While these coatings are used extensively to improve mechanical degradation characteristics in other industries, their electrical reliability has not been extensively evaluated. In this thesis, simulations are performed to estimate the improvements in the thermal performance of a motorette samples, and then an isothermal aging test is performed to determine if plasma sprayed ceramic coatings have thermal endurance comparable to conventional machine groundwall insulation materials. It concludes with a summary of the novel contributions to the field of electric machine design and describes possible avenues of future research to further investigate the feasibility of these coatings to improve electric machine power density."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Plasma sprayed ceramic coatings for electric machine insulation"]}]}],"canonical_facts":{"dc:contributor":["Haran, Kiruba S"],"dc:creator":["Wolhaupter, Brian"],"dc:date":["2024-09-12","2024-12"],"dc:description":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-12-01","The student, Brian Wolhaupter, accepted the attached license on 2024-09-11 at 13:32.","The student, Brian Wolhaupter, submitted this Thesis for approval on 2024-09-11 at 13:42.","This Thesis was approved for publication on 2024-09-12 at 15:51.","DSpace SAF Submission Ingestion Package generated from Vireo submission #20849 on 2025-03-28 at 14:42:20","As weight sensitive industries such as the automotive and aerospace industries seek to electrify powertrains, the demand for high power density electric machines is rising. Significant resources have been dedicated to improving machine architectures, but the machine architectures are not the only limiting factors. Insulation technology limits power density by reducing the maximum allowable temperature and thus, the current density in the machine. To overcome this, new insulation materials need to be capable of resisting higher temperatures, resist partial discharge induced damage, and have a higher thermal conductivities than existing materials. Ceramics meet these requirements, but they are not easily adapted to machine slot insulation due to challenges in fabricating thin ceramic structures. This thesis proposes using plasma sprayed ceramic coatings to apply a layer of ceramic insulation directly to machine stator cores. While these coatings are used extensively to improve mechanical degradation characteristics in other industries, their electrical reliability has not been extensively evaluated. In this thesis, simulations are performed to estimate the improvements in the thermal performance of a motorette samples, and then an isothermal aging test is performed to determine if plasma sprayed ceramic coatings have thermal endurance comparable to conventional machine groundwall insulation materials. It concludes with a summary of the novel contributions to the field of electric machine design and describes possible avenues of future research to further investigate the feasibility of these coatings to improve electric machine power density."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/127306"],"dc:language":["en","eng"],"dc:rights":["Copyright 2024 Brian Wolhaupter"],"dc:subject":["Electric Machines","Insulation","Ceramics","Plasma Spray"],"dc:title":["Plasma sprayed ceramic coatings for electric machine insulation"],"dc:type":["text","Thesis"],"thesis:degree_discipline":["Electrical & Computer Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:03Z"}