{"id":6445,"date":"2026-09-22T10:37:54","date_gmt":"2026-09-22T08:37:54","guid":{"rendered":"https:\/\/www.solventa6.com\/what-is-an-sts-and-when-does-it-make-sense-in-an-industrial-installation\/"},"modified":"2026-09-22T10:46:20","modified_gmt":"2026-09-22T08:46:20","slug":"quest-ce-quun-sts-et-quand-peut-il-etre-pertinent-dans-une-installation-industrielle","status":"publish","type":"post","link":"https:\/\/www.solventa6.com\/fr\/quest-ce-quun-sts-et-quand-peut-il-etre-pertinent-dans-une-installation-industrielle\/","title":{"rendered":"Qu\u2019est-ce qu\u2019un STS et quand peut-il \u00eatre pertinent dans une installation industrielle ?"},"content":{"rendered":"[vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1″ background_hover_color_opacity=\u00a0\u00bb1″ column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ width=\u00a0\u00bb1\/1″ tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n

Lorsqu\u2019une entreprise installe un syst\u00e8me BESS avec des fonctions de secours, l\u2019une des questions les plus fr\u00e9quentes est la suivante : que doit-il se passer lorsque le r\u00e9seau \u00e9lectrique tombe en panne ?<\/strong><\/p>\n

Toutes les installations n\u2019ont pas besoin du m\u00eame niveau de continuit\u00e9. Certains proc\u00e9d\u00e9s peuvent tol\u00e9rer quelques secondes d\u2019arr\u00eat, tandis que pour d\u2019autres, une interruption tr\u00e8s br\u00e8ve peut entra\u00eener un arr\u00eat de production, une perte de produit ou des probl\u00e8mes au niveau des syst\u00e8mes de contr\u00f4le. C\u2019est dans ce contexte qu\u2019un STS (Static Transfer Switch)<\/strong> peut intervenir.<\/p>\n

Qu\u2019est-ce qu\u2019un STS ?<\/h2>\n

Un STS est un syst\u00e8me qui permet de transf\u00e9rer une charge \u00e9lectrique d\u2019une source d\u2019alimentation \u00e0 une autre en tr\u00e8s peu de temps<\/strong>. Contrairement \u00e0 d\u2019autres syst\u00e8mes de commutation m\u00e9caniques, il utilise de l\u2019\u00e9lectronique de puissance, ce qui permet d\u2019effectuer le transfert en quelques millisecondes. Dans une installation industrielle, les deux sources peuvent \u00eatre, par exemple, le r\u00e9seau \u00e9lectrique et un BESS.<\/p>\n

L\u2019installation d\u2019un BESS ne garantit pas automatiquement que l\u2019usine pourra continuer \u00e0 fonctionner en cas de coupure du r\u00e9seau. Pour y parvenir, il est n\u00e9cessaire d\u2019\u00e9tudier l\u2019ensemble de l\u2019architecture : quelles charges doivent \u00eatre maintenues, quelle puissance elles n\u00e9cessitent, quelle dur\u00e9e d\u2019interruption elles peuvent tol\u00e9rer, si le PCS peut fonctionner en mode \u00eelot, comment la d\u00e9connexion du r\u00e9seau est r\u00e9alis\u00e9e et comment les protections sont coordonn\u00e9es.<\/p>\n

Le STS peut faire partie de cette architecture, mais il ne constitue pas \u00e0 lui seul une solution compl\u00e8te<\/strong>.<\/p>\n

Quand est-il pertinent d\u2019en installer un ?<\/h2>\n

Principalement lorsqu\u2019il existe des charges tr\u00e8s sensibles aux interruptions :<\/p>\n

    \n
  • automates programmables (PLC) et syst\u00e8mes de contr\u00f4le<\/li>\n
  • lignes de production automatis\u00e9es<\/li>\n
  • serveurs et syst\u00e8mes informatiques<\/li>\n
  • proc\u00e9d\u00e9s continus<\/li>\n
  • \u00e9quipements pour lesquels une microcoupure peut provoquer un arr\u00eat ou un red\u00e9marrage<\/li>\n<\/ul>\n

    Dans ces cas, la question n\u2019est pas seulement de savoir combien de temps dure la coupure, mais quel est son impact sur l\u2019activit\u00e9 de l\u2019entreprise<\/strong>. Une coupure de deux secondes peut finalement entra\u00eener trente minutes d\u2019arr\u00eat.<\/p>\n

    STS ou ATS ?<\/h2>\n

    Les deux syst\u00e8mes permettent de transf\u00e9rer des charges entre deux sources d\u2019alimentation. La principale diff\u00e9rence r\u00e9side dans le fait qu\u2019un ATS<\/strong> utilise g\u00e9n\u00e9ralement des composants \u00e9lectrom\u00e9caniques, tandis qu\u2019un STS<\/strong> utilise de l\u2019\u00e9lectronique de puissance et peut effectuer le transfert beaucoup plus rapidement. Cela ne signifie pas qu\u2019un STS soit toujours la meilleure option. Si le proc\u00e9d\u00e9 peut tol\u00e9rer le temps de commutation d\u2019un ATS, il n\u2019est probablement pas n\u00e9cessaire d\u2019int\u00e9grer une solution plus complexe.<\/p>\n

    Chez Solventa6, avant d\u2019envisager un STS ou tout autre syst\u00e8me de secours, nous analysons d\u2019abord une question essentielle : quelles charges sont r\u00e9ellement critiques et quel niveau de continuit\u00e9 n\u00e9cessitent-elles ?<\/strong><\/p>\n

    S\u00e9parer les charges critiques de celles qui ne le sont pas permet d\u2019\u00e9viter de surdimensionner le BESS et de concevoir une solution plus efficace sur les plans technique et \u00e9conomique. Car dans un projet BESS, il ne s\u2019agit pas seulement de d\u00e9cider combien de kWh de batterie installer. Il s\u2019agit de d\u00e9finir ce que nous voulons continuer \u00e0 faire fonctionner lorsque le r\u00e9seau ne fournit plus d\u2019\u00e9lectricit\u00e9<\/strong>.[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"

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