{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/45493"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/45493","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"The output voltage of controlled polyphase rectifiers","abstract":"The controlled polyphase rectifiers in current use employ delayed firing in some degree to obtain voltage control. Delayed firing increases the harmonic content of the rectified voltage to such an extent that the harmonics determined without firing delay are insignificant. The harmonic content which exists is displayed in the results of this A investigation. These results are the foundation for analyzing the suitability of a particular rectifier circuit for a given application.","abstract_html":"The controlled polyphase rectifiers in current use employ delayed firing in some degree to obtain voltage control. Delayed firing increases the harmonic content of the rectified voltage to such an extent that the harmonics determined without firing delay are insignificant. The harmonic content which exists is displayed in the results of this A investigation. These results are the foundation for analyzing the suitability of a particular rectifier circuit for a given application.","abstract_has_math":false,"creators":["Keeler, Robert J."],"institution":"Virginia Tech","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Electrical Engineering","degree_department":"Electrical Engineering","school":null,"contributors":[],"advisors":[],"committee_chairs":["Murray, W. A."],"committee_members":["Pardue, Louis A.","Norris, Earle Bertram"],"year":1951,"date_issued":"1951-05-05","date_published":"1951-05-05","updated_at":"2026-07-22T22:19:13Z","subjects":[],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-11072012-040025"],"render_values":[{"text":"etd-11072012-040025","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/45493","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Murray, W. A."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Pardue, Louis A.","Norris, Earle Bertram"]},{"key":"dc:contributor.department","label":"Department","values":["Electrical Engineering"]},{"key":"dc:creator","label":"Author","values":["Keeler, Robert J."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T21:49:08Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T21:49:08Z","2012-11-07"]},{"key":"dc:date.issued","label":"Date","values":["1951-05-05"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-11072012-040025"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/45493"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The controlled polyphase rectifiers in current use employ delayed firing in some degree to obtain voltage control. Delayed firing increases the harmonic content of the rectified voltage to such an extent that the harmonics determined without firing delay are insignificant. The harmonic content which exists is displayed in the results of this A investigation. These results are the foundation for analyzing the suitability of a particular rectifier circuit for a given application."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["BTD"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["The output voltage of controlled polyphase rectifiers"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Murray, W. A."],"dc:contributor.committeemember":["Pardue, Louis A.","Norris, Earle Bertram"],"dc:contributor.department":["Electrical Engineering"],"dc:creator":["Keeler, Robert J."],"dc:date.accessioned":["2014-03-14T21:49:08Z"],"dc:date.available":["2014-03-14T21:49:08Z","2012-11-07"],"dc:date.issued":["1951-05-05"],"dc:description.abstract":["The controlled polyphase rectifiers in current use employ delayed firing in some degree to obtain voltage control. Delayed firing increases the harmonic content of the rectified voltage to such an extent that the harmonics determined without firing delay are insignificant. The harmonic content which exists is displayed in the results of this A investigation. These results are the foundation for analyzing the suitability of a particular rectifier circuit for a given application."],"dc:description.degree":["Master of Science"],"dc:format.medium":["BTD"],"dc:format.mimetype":["application/pdf"],"dc:identifier.other":["etd-11072012-040025"],"dc:identifier.uri":["http://hdl.handle.net/10919/45493"],"dc:language.iso":["en"],"dc:publisher":["Virginia Tech"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["The output voltage of controlled polyphase rectifiers"],"dc:type":["Thesis"],"dc:type.dcmitype":["Text"],"thesis:degree_discipline":["Electrical Engineering"],"thesis:degree_level":["masters"],"thesis:degree_name":["Master of Science"],"thesis:institution_name":["Virginia Polytechnic Institute"]},"updated_at":"2026-07-22T22:19:13Z"}