{"id":4345,"date":"2026-02-19T09:47:00","date_gmt":"2026-02-19T08:47:00","guid":{"rendered":"https:\/\/www.gebaeudesimulation.ch\/?p=4345"},"modified":"2026-02-19T10:14:50","modified_gmt":"2026-02-19T09:14:50","slug":"cascades-de-pompes-a-chaleur-pourquoi-la-simulation-dynamique-fait-la-difference-aujourdhui","status":"publish","type":"post","link":"https:\/\/www.gebaeudesimulation.ch\/fr\/waermepumpenkaskaden-warum-dynamische-simulation-heute-den-unterschied-macht\/","title":{"rendered":"Les cascades de pompes \u00e0 chaleur : Pourquoi la simulation dynamique fait aujourd'hui la diff\u00e9rence"},"content":{"rendered":"<p>De combien de redondance un syst\u00e8me \u00e9nerg\u00e9tique a-t-il r\u00e9ellement besoin ? Les pics de puissance doivent-ils \u00eatre enti\u00e8rement couverts - ou des pics limit\u00e9s dans le temps sont-ils autoris\u00e9s ? Quelle est la taille optimale des machines pour assurer le confort ou la s\u00e9curit\u00e9 de fonctionnement ?<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Pour les installations de production de chaleur et de froid, les simulations dynamiques offrent de nouvelles possibilit\u00e9s de clarifier ces questions avec pr\u00e9cision. L'exemple du lotissement Uferweg \u00e0 Burgdorf (176 appartements, 23\u2019000 m\u00b2, volume d'investissement d'environ 50 millions de CHF) illustre clairement la valeur ajout\u00e9e de la simulation dynamique des installations :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les pics de charge sont largement \u00e9vit\u00e9s \/ surviennent rarement gr\u00e2ce \u00e0 des strat\u00e9gies de r\u00e9gulation intelligentes<\/li>\n\n\n\n<li>Des temps de fonctionnement \u00e9lev\u00e9s avec peu de cycles de commutation augmentent l'efficacit\u00e9 et la dur\u00e9e de vie des pompes \u00e0 chaleur<\/li>\n\n\n\n<li>Le fonctionnement \u00e0 charge partielle permet des rendements \u00e9lev\u00e9s et une utilisation cibl\u00e9e de l'\u00e9lectricit\u00e9 photovolta\u00efque<\/li>\n\n\n\n<li>R\u00e9duction de la puissance des pompes \u00e0 chaleur tout en conservant la m\u00eame s\u00e9curit\u00e9 d'approvisionnement (taille r\u00e9duite des appareils, moins d'espace n\u00e9cessaire pour les centrales)<\/li>\n<\/ul>\n\n\n\n<p><strong>R\u00e9sultat :<\/strong><br>Un investissement de simulation cibl\u00e9 de 15 000 \u00e0 20 000 CHF permet d'\u00e9conomiser 90 000 \u00e0 110 000 CHF de frais d'investissement - tout en offrant une grande s\u00e9curit\u00e9 de planification.<\/p>\n\n\n\n<p>Le projet de lotissement Uferweg \u00e0 Burgdorf a \u00e9t\u00e9 r\u00e9alis\u00e9 par <a href=\"https:\/\/www.gruner.ch\/de\/gebaeudetechnik\/bauklimatik\" data-type=\"link\" data-id=\"https:\/\/www.gruner.ch\/de\/gebaeudetechnik\/bauklimatik\">Gruner Climat du b\u00e2timent<\/a> en collaboration avec <a href=\"https:\/\/www.velasolaris.com\/\" data-type=\"link\" data-id=\"https:\/\/www.velasolaris.com\/\">Velasolaris<\/a> en utilisant le logiciel de simulation <strong>Polysun <\/strong>et montre de mani\u00e8re exemplaire la valeur ajout\u00e9e qu'apportent les simulations dynamiques dans la planification d'installations exigeantes et de cascades de pompes \u00e0 chaleur.<br><br>Justement pour <strong>syst\u00e8mes de pompes \u00e0 chaleur multi-sources et cascades de pompes \u00e0 chaleur<\/strong> il est recommand\u00e9 d'utiliser des simulations dynamiques conformes \u00e0 la norme SIA-380\/2 pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>r\u00e9duire durablement les co\u00fbts d'investissement et d'exploitation<\/li>\n\n\n\n<li>d'identifier rapidement et de mani\u00e8re transparente la variante de syst\u00e8me optimale<\/li>\n\n\n\n<li>de dimensionner les machines en fonction des besoins et d'\u00e9viter les surdimensionnements<\/li>\n\n\n\n<li>de v\u00e9rifier et d'optimiser des strat\u00e9gies de r\u00e9gulation et des modes de fonctionnement proches de la r\u00e9alit\u00e9<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/www.gruner.ch\/de\/gebaeudetechnik\"><strong>Technique du b\u00e2timent et climatisation du b\u00e2timent | Gruner AG<\/strong><\/a><br><a href=\"https:\/\/www.velasolaris.com\/\"><strong>Logiciel de planification pour syst\u00e8mes \u00e9nerg\u00e9tiques | Polysun<\/strong><\/a><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69dc485a51280&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69dc485a51280\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4349\" src=\"https:\/\/www.gebaeudesimulation.ch\/wp-content\/uploads\/2026\/02\/Ref_Prj_13_2.jpg\" alt=\"\" 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Les pics de puissance doivent-ils \u00eatre enti\u00e8rement couverts - ou des pics limit\u00e9s dans le temps sont-ils autoris\u00e9s ? Quelle est la taille optimale des machines pour assurer le confort ou la s\u00e9curit\u00e9 de fonctionnement ?<\/p>","protected":false},"author":3,"featured_media":4352,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","inline_featured_image":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-4345","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-success-stories","entry"],"_links":{"self":[{"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/posts\/4345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/comments?post=4345"}],"version-history":[{"count":10,"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/posts\/4345\/revisions"}],"predecessor-version":[{"id":4380,"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/posts\/4345\/revisions\/4380"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/media\/4352"}],"wp:attachment":[{"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/media?parent=4345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/categories?post=4345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gebaeudesimulation.ch\/fr\/wp-json\/wp\/v2\/tags?post=4345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}