{"id":98909,"date":"2015-06-26T03:00:00","date_gmt":"2015-06-26T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=466a0d6f442135dc710cd0a092284a59"},"modified":"2015-06-26T03:00:00","modified_gmt":"2015-06-26T00:00:00","slug":"the-induction-motor","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=98909","title":{"rendered":"The induction motor"},"content":{"rendered":"<p>We obtain analytical expressions for the torques and angular speed of an induction motor with a<br \/>\nsimple geometry, resembling the geometry of the first induction motor investigated by Arago in 1824.<br \/>\nThe rotor is a conducting disc rotating between the magnetic poles of two off-axis solenoids,<br \/>\ndisplaced in space by ##IMG## [http:\/\/ej.iop.org\/images\/0143-0807\/36\/5\/055008\/ejp515468ieqn1.gif]<br \/>\n{$90^circ $} from each other. We apply our results to discuss a theory for the ubiquitous<br \/>\nelectromechanical watt-hour meter. For comparison of the theoretical result for the angular speed<br \/>\nwith measurements, we propose a simple experiment in which an induction motor with an aluminum disc<br \/>\nrotor is constructed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We obtain analytical expressions for the torques and angular speed of an induction motor with a<br \/>\nsimple geometry, resembling the geometry of the first induction motor investigated by Arago in 1824.<br \/>\nThe rotor is a conducting disc rotating between the m&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-98909","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/98909","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=98909"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/98909\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=98909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=98909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=98909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}