{"id":215580,"date":"2023-12-12T12:30:14","date_gmt":"2023-12-12T11:30:14","guid":{"rendered":"https:\/\/educelec.com\/?page_id=215580"},"modified":"2026-01-09T11:10:37","modified_gmt":"2026-01-09T10:10:37","slug":"dem-stato-3tp","status":"publish","type":"page","link":"https:\/\/educelec.com\/en\/dem-stato-3tp\/","title":{"rendered":"D\u00e9marrage statorique 3"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb|0px||-30px|false|false\u00a0\u00bb custom_padding=\u00a0\u00bb|||0px|false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p><a href=\"https:\/\/educelec.com\/en\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-216559\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-300x209.png\" alt=\"\" width=\"17\" height=\"12\" \/><\/a><a href=\"https:\/\/educelec.com\/en\/\">Accueil<\/a><a href=\"https:\/\/educelec.com\/en\/\">\u00a0&gt;<\/a> <a href=\"https:\/\/educelec.com\/en\/schem-de-demarr\/\">D\u00e9marrages<\/a> <a href=\"https:\/\/educelec.com\/en\/schem-de-demarr\/\">&gt; <\/a><b>Statorique 3 temps<\/b><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bbAcme|700|||||||\u00a0\u00bb background_color=\u00a0\u00bb#88C4DD\u00a0\u00bb text_text_shadow_style=\u00a0\u00bbpreset1&Prime; text_text_shadow_blur_strength=\u00a0\u00bb2em\u00a0\u00bb text_text_shadow_color=\u00a0\u00bb#0047E0&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb text_font_size__hover_enabled=\u00a0\u00bbon|desktop\u00a0\u00bb]<\/p>\n<blockquote>\n<h1 style=\"text-align: center;\"><span style=\"font-size: 26px;\"><b>Sch\u00e9mas<\/b><\/span><b>\u00a0de <\/b><span style=\"font-size: 26px;\"><b>d\u00e9marrage<\/b><\/span><b><\/b><\/h1>\n<h2 style=\"text-align: center;\"><b>statorique 3 temps <\/b><b>des MAS<\/b><\/h2>\n<\/blockquote>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text admin_label=\u00a0\u00bbTexte\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2><strong>\u00a0I\u00a0 <\/strong><strong><span class=\"fontstyle0\">CARACTERISTIQUE TECHNIQUE.<\/span><\/strong><\/h2>\n<p>Les r\u00e9sistances statoriques sont initialement coupl\u00e9es pour r\u00e9duire l&rsquo;intensit\u00e9 de d\u00e9marrage. Vers 80% de la vitesse nominale, elles sont court-circuit\u00e9es, permettant au stator d&rsquo;\u00eatre aliment\u00e9 \u00e0 pleine tension.<\/p>\n<p>La suppression des r\u00e9sistances peut s\u2019ex\u00e9cuter en plusieurs fois ce qui ajoute autant de temps suppl\u00e9mentaire au d\u00e9marrage du moteur.<\/p>\n<ul>\n<li>1<sup>er<\/sup> temps : Les enroulements du stator sont aliment\u00e9s \u00e0 travers des r\u00e9sistances (donc sous tension r\u00e9duite).<\/li>\n<li>2<sup>\u00e8<\/sup><sup>me<\/sup> temps : Les enroulements du stator sont aliment\u00e9s sous tension r\u00e9duite en \u00e9liminant une partie des r\u00e9sistances<\/li>\n<li>3<sup>\u00e8me<\/sup> temps : Les enroulements du stator sont aliment\u00e9s directement sous leur tension nominale.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-215622 size-full aligncenter\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/3-demarrage-C-1.png\" alt=\"\" width=\"1162\" height=\"469\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/3-demarrage-C-1.png 1162w, https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/3-demarrage-C-1-980x396.png 980w, https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/3-demarrage-C-1-480x194.png 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1162px, 100vw\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#EDF000&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><strong>\u00a0A- <span class=\"fontstyle0\">D\u00e9marrage Statorique d&rsquo;un MAS (3 temps) dans un seul sens de rotation<\/span><\/strong><\/h3>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><strong>\u00a0 \u00a0 \u00a0 \u00a0 A-1 Circuit de Puissance<\/strong><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-215674 size-full\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/Puiss-STATO-1S-3T.png\" alt=\"\" width=\"290\" height=\"567\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/Puiss-STATO-1S-3T.png 290w, https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/Puiss-STATO-1S-3T-153x300.png 153w\" sizes=\"auto, (max-width: 290px) 100vw, 290px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><strong>\u00a0 \u00a0 \u00a0 \u00a0 A-2 Circuit de Commande<\/strong><\/h3>\n<p><a href=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/CMD-STATO-1S-3T.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-215675 size-full\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/CMD-STATO-1S-3T.png\" alt=\"\" width=\"691\" height=\"470\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/CMD-STATO-1S-3T.png 691w, https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/CMD-STATO-1S-3T-480x326.png 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 691px, 100vw\" \/><\/a><\/p>\n<h4>\u00a0<\/h4>\n<h4>\u00a0<\/h4>\n<h4>Pour Voir le sch\u00e9ma complet (avec signalisation) en format PDF <a href=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/STATO-1S-3T.pdf\" target=\"_blank\" rel=\"noopener\"><strong>cliquez ici<\/strong><\/a><\/h4>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#EDF000&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><strong>\u00a0B- <span class=\"fontstyle0\">D\u00e9marrage Statorique d&rsquo;un MAS dans un deux sens de rotation<\/span><\/strong><\/h3>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><strong>\u00a0 \u00a0 \u00a0 \u00a0 B-1 Circuit de Puissance<\/strong><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-215676 size-full aligncenter\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/Puiss-STATO-2S-3T.png\" alt=\"\" width=\"290\" height=\"603\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/Puiss-STATO-2S-3T.png 290w, https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/Puiss-STATO-2S-3T-144x300.png 144w\" sizes=\"auto, (max-width: 290px) 100vw, 290px\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><strong>\u00a0 \u00a0 \u00a0 \u00a0 B-2 Circuit de Commande<\/strong><\/h3>\n<h3><strong><a href=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/CMD-STATO-2S-3T.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-215677 size-full aligncenter\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/CMD-STATO-2S-3T.png\" alt=\"\" width=\"874\" height=\"493\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/CMD-STATO-2S-3T.png 874w, https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/CMD-STATO-2S-3T-480x271.png 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 874px, 100vw\" \/><\/a><\/strong><\/h3>\n<p>&nbsp;<\/p>\n<h4>\u00a0<\/h4>\n<h4>\u00a0<\/h4>\n<h4>Pour Voir le sch\u00e9ma complet (avec signalisation) en format PDF <a href=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/12\/STATO-2S-3T.pdf\" target=\"_blank\" rel=\"noopener\"><strong>cliquez ici<\/strong><\/a><\/h4>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"<p>Accueil\u00a0&gt; D\u00e9marrages &gt; Statorique 3 tempsSch\u00e9mas\u00a0de d\u00e9marrage statorique 3 temps des MAS \u00a0I\u00a0 CARACTERISTIQUE TECHNIQUE. Les r\u00e9sistances statoriques sont initialement coupl\u00e9es pour r\u00e9duire l&rsquo;intensit\u00e9 de d\u00e9marrage. Vers 80% de la vitesse nominale, elles sont court-circuit\u00e9es, permettant au stator d&rsquo;\u00eatre aliment\u00e9 \u00e0 pleine tension. La suppression des r\u00e9sistances peut s\u2019ex\u00e9cuter en plusieurs fois ce qui ajoute [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","om_disable_all_campaigns":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"class_list":["post-215580","page","type-page","status-publish","hentry"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>D\u00e9marrage statorique 3 - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/educelec.com\/en\/dem-stato-3tp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9marrage statorique 3 - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle\" \/>\n<meta property=\"og:description\" content=\"Accueil\u00a0&gt; D\u00e9marrages &gt; Statorique 3 tempsSch\u00e9mas\u00a0de d\u00e9marrage statorique 3 temps des MAS \u00a0I\u00a0 CARACTERISTIQUE TECHNIQUE. Les r\u00e9sistances statoriques sont initialement coupl\u00e9es pour r\u00e9duire l&#039;intensit\u00e9 de d\u00e9marrage. Vers 80% de la vitesse nominale, elles sont court-circuit\u00e9es, permettant au stator d&#039;\u00eatre aliment\u00e9 \u00e0 pleine tension. La suppression des r\u00e9sistances peut s\u2019ex\u00e9cuter en plusieurs fois ce qui ajoute [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/educelec.com\/en\/dem-stato-3tp\/\" \/>\n<meta property=\"og:site_name\" content=\"Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-09T10:10:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-e1766263997563.png\" \/>\n\t<meta property=\"og:image:width\" content=\"288\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/educelec.com\/dem-stato-3tp\/\",\"url\":\"https:\/\/educelec.com\/dem-stato-3tp\/\",\"name\":\"D\u00e9marrage statorique 3 - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle\",\"isPartOf\":{\"@id\":\"https:\/\/educelec.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/educelec.com\/dem-stato-3tp\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/educelec.com\/dem-stato-3tp\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-300x209.png\",\"datePublished\":\"2023-12-12T11:30:14+00:00\",\"dateModified\":\"2026-01-09T10:10:37+00:00\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/educelec.com\/dem-stato-3tp\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/educelec.com\/dem-stato-3tp\/#primaryimage\",\"url\":\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-300x209.png\",\"contentUrl\":\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-300x209.png\"},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/educelec.com\/#website\",\"url\":\"https:\/\/educelec.com\/\",\"name\":\"Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle\",\"description\":\"WordPress\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/educelec.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"D\u00e9marrage statorique 3 - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/educelec.com\/en\/dem-stato-3tp\/","og_locale":"en_US","og_type":"article","og_title":"D\u00e9marrage statorique 3 - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle","og_description":"Accueil\u00a0&gt; D\u00e9marrages &gt; Statorique 3 tempsSch\u00e9mas\u00a0de d\u00e9marrage statorique 3 temps des MAS \u00a0I\u00a0 CARACTERISTIQUE TECHNIQUE. Les r\u00e9sistances statoriques sont initialement coupl\u00e9es pour r\u00e9duire l'intensit\u00e9 de d\u00e9marrage. Vers 80% de la vitesse nominale, elles sont court-circuit\u00e9es, permettant au stator d'\u00eatre aliment\u00e9 \u00e0 pleine tension. 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