{"id":214715,"date":"2023-01-12T18:56:22","date_gmt":"2023-01-12T17:56:22","guid":{"rendered":"https:\/\/educelec.com\/?page_id=214715"},"modified":"2025-11-11T09:23:52","modified_gmt":"2025-11-11T08:23:52","slug":"puiss-monophase","status":"publish","type":"page","link":"https:\/\/educelec.com\/en\/puiss-monophase\/","title":{"rendered":"Puissance en monophas\u00e9"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\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_button button_url=\u00a0\u00bbhttps:\/\/educelec.com\/electricite\/\u00a0\u00bb button_text=\u00a0\u00bbRetour a la page pr\u00e9c\u00e9dente\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\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 min_height=\u00a0\u00bb40px\u00a0\u00bb height=\u00a0\u00bb40px\u00a0\u00bb custom_padding=\u00a0\u00bb7px|||18px|false|false\u00a0\u00bb border_width_all=\u00a0\u00bb2px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb background_color=\u00a0\u00bb#38D7FF\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h3><strong>Exercice N\u00b0 1<\/strong><\/h3>\n<\/li>\n<\/ul>\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 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<h4>\u00a0<\/h4>\n<h4>Une installation monophas\u00e9 230 V, 50 Hz alimente\u00a0:<\/h4>\n<h4>un ensemble de tubes fluorescents se comportant comme un r\u00e9cepteur inductif de facteur de puissance cos phi = 0,85 absorbant au total 4kW.<\/h4>\n<h4>20 moteurs identiques triphas\u00e9s, chacun de puissance utile 0,6 kW et de rendement 0,75 et de facteur de puissance cos phi = 0,8<\/h4>\n<h4>1. d\u00e9terminer la puissance active des 20 moteurs<br \/>2. D\u00e9terminer les puissances actives, r\u00e9actives et apparentes de l\u2019ensemble.<br \/>3. Calculer l&rsquo;intensit\u00e9 du courant de ligne et le facteur de puissance.<br \/>4. Calculer la capacit\u00e9 du condensateur pour relever le facteur de puissance a 0,9<br \/>5. Calculer le nouveau courant I&rsquo;.<\/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 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_toggle title=\u00a0\u00bbToucher pour afficher la solution\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb title_font_size=\u00a0\u00bb13px\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<a href=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/arri.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-214149 alignnone size-medium\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/arri-300x211.png\" alt=\"\" width=\"300\" height=\"211\" \/><\/a><\/p>\n<p>&nbsp;<br \/>\n[\/et_pb_toggle][\/et_pb_column][\/et_pb_row][\/et_pb_section][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-100px||||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 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 min_height=\u00a0\u00bb40px\u00a0\u00bb height=\u00a0\u00bb40px\u00a0\u00bb custom_padding=\u00a0\u00bb7px|||18px|false|false\u00a0\u00bb border_width_all=\u00a0\u00bb2px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb background_color=\u00a0\u00bb#38D7FF\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h3><strong>Exercice N\u00b0 2<\/strong><\/h3>\n<\/li>\n<\/ul>\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<h4>Une installation industrielle monophas\u00e9 qui compos\u00e9e des \u00e9l\u00e9ments suivants, branch\u00e9 en parall\u00e8le\u00a0:<\/h4>\n<p><a href=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/01\/exo2-puiss-e1673547912310.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-214723 alignnone size-medium\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/01\/exo2-puiss-e1673547912310-300x93.png\" alt=\"\" width=\"300\" height=\"93\" \/><\/a><\/p>\n<ul>\n<li>\n<h4>20 Lampes de 100W chacune,<\/h4>\n<\/li>\n<li>\n<h4>2 moteurs \u00e9lectrique absorbant chacun une puissance de 4KW\u00a0; et cosj1=0,75<\/h4>\n<\/li>\n<li>\n<h4>4 moteurs \u00e9lectrique absorbant chacun une puissance de 5KW\u00a0; et cosj2=0,85<\/h4>\n<\/li>\n<\/ul>\n<h4>Est aliment\u00e9e par une ligne qui a une imp\u00e9dance assimilable a une r\u00e9sistance R=0,1 \u2126 en s\u00e9rie avec une bobine L=0,1 mH.<\/h4>\n<h4>Sachant que les r\u00e9cepteurs de l\u2019installation fonctionnent simultan\u00e9ment\u00a0:<\/h4>\n<h4>1-\/ Calculer la puissance active, r\u00e9active et apparente absorb\u00e9es par l\u2019installation\u00a0;<\/h4>\n<h4>2-\/ D\u00e9duire le facteur de puissance cosj de l\u2019installation\u00a0;<\/h4>\n<h4>3-\/ Calculer la valeur efficace du courant I fournie par le r\u00e9seau et les puissances active et r\u00e9active absorb\u00e9es en ligne\u00a0;<\/h4>\n<h4>4-\/ En d\u00e9duire les puissances active et r\u00e9active que doit fournir le r\u00e9seau, que vaut la valeur efficace E de la tension au d\u00e9but de la ligne<\/h4>\n<h4>5-\/Calculer la valeur de condensateur a mettre en parall\u00e8le pour \u00e9lever le facteur de puissance a cosj\u2019=0,91.<\/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_toggle title=\u00a0\u00bbToucher pour afficher la solution\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb title_font_size=\u00a0\u00bb13px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]&nbsp;<\/p>\n<p><a href=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/arri.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-214149 alignnone size-medium\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/arri-300x211.png\" alt=\"\" width=\"300\" height=\"211\" \/><\/a><\/p>\n<p>kjsnoangownsrgqaknqreqlknrhl\u00f6wekflkj<br \/>\n[\/et_pb_toggle][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"<p>Exercice N\u00b0 1 \u00a0 Une installation monophas\u00e9 230 V, 50 Hz alimente\u00a0: un ensemble de tubes fluorescents se comportant comme un r\u00e9cepteur inductif de facteur de puissance cos phi = 0,85 absorbant au total 4kW. 20 moteurs identiques triphas\u00e9s, chacun de puissance utile 0,6 kW et de rendement 0,75 et de facteur de puissance cos [&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-214715","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>Puissance en monophas\u00e9 - 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 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