{"id":4269,"date":"2020-03-14T19:12:42","date_gmt":"2020-03-14T18:12:42","guid":{"rendered":"https:\/\/cnrm.uniri.hr\/?page_id=4269"},"modified":"2022-12-20T16:27:20","modified_gmt":"2022-12-20T15:27:20","slug":"cooling-system-and-efficiency","status":"publish","type":"page","link":"https:\/\/cnrm.uniri.hr\/hr\/cooling-system-and-efficiency\/","title":{"rendered":"Sustav hla\u0111enja i efikasnost"},"content":{"rendered":"<p><\/p>\n<style>\nul {list-style-position: outside;}\n<\/style>\n<div style=\"text-align: justify;\">\nSustav hla\u0111enja \u010dine dva 100% redundantna podsustava:<\/p>\n<ul class=\"simple\">\n<li><strong>Sustav tople vode<\/strong> za direktno hla\u0111enje ra\u010dunalnih \u010dvorova (\u010detiri DLC ormara)<\/li>\n<li><strong>Sustav hladne vode<\/strong> za hla\u0111enje ostalih komponenti i \u010detiri klima ormara podatkovnog centra.<\/li>\n<\/ul>\n<p><strong>Sustav tople vode<\/strong> priprema vodu za hla\u0111enje 4 ormara ra\u010dunalnih \u010dvorova u re\u017eimu 35\/40\u00b0C. Sustav regulira konstantnu temperaturu ulazne vode od 35\u00b0C s troputnim regulacijskim ventilom i hidrauli\u010dkom skretnicom koja amortizira ve\u0107e promjene u temperaturi dolazne vode.<\/p>\n<p><strong>Sustav hladne vode<\/strong> priprema vodu za hla\u0111enje 4 klima ormara u prostoru podatkovnog centra u re\u017eimu 10\/15\u00b0C. Dva klima ormara su stavljena u red s ormarima superra\u010dunala. Na stra\u017enjoj strani izra\u0111ena je topla zona u kojoj je temperatura zraka ve\u0107a od 35\u00b0C. Vru\u0107i zrak ulazi u klima ormar koji ga hladi na pode\u0161enu temperaturu od 24\u00b0C. Preostali klima ormari upuhuju hladni zrak u dupli pod za hla\u0111enje UPS-a i imaju sustav za odr\u017eavanje vla\u017enosti prostorije. Ormari su u 100% redundanciji.<\/p>\n<p>Sustav tople vode ima dva rashladnika vode od 127 kW, dok sustav hladne vode ima dva rashladnika od 87 kW. Ukupni <strong>kapacitet hla\u0111enja podatkovnog centra je 210 kW<\/strong> te dodatnih 210 kW u redundanciji. Oba sustava imaju mogu\u0107nost freecooling na\u010dina rada. Sustav tople vode radi do 27\u00b0C vanjske temperature jer je ulazna voda za hla\u0111enje superra\u010dunala 35\u00b0C. Ra\u010dunalni \u010dvorovi se hlade ve\u0107i dio godine, ovisno o vremenskim uvjetima, freecooling re\u017eimom rada (bez aktivnog hla\u0111enja do vanjske temperature od 27\u00b0C). Prebacivanje iz prinu\u0111enog hla\u0111enja u freecooling hla\u0111enje se radi automatski, kad su ispunjeni uvjeti za jedno ili drugo za svaki sustav odvojeno.<\/p>\n<p>Sustav hla\u0111enja radi s 10 crpki, 16 motornih zaklopki i jednim motornim troputnim ventilom. Sustav je u potpunosti automatiziran i kontroliran. U sustav je ugra\u0111eno 45 releja, preko 110 razli\u010ditih senzora na digitalnim i analognim ulazima i izlazima, a sva aktivna oprema je spojena i putem Modbus protokola.<\/p>\n<p><strong>PUE faktor<\/strong> podatkovnog centra je 1,24. PUE faktor je izmjeren pri testiranju superra\u010dunala kod 100% optere\u0107enja pri \u010demu je sustav tople vode bio na freecooling-u, a sustav hladne vode u prinu\u0111enom hla\u0111enju.<\/div>\n<p>&nbsp;<br \/>\n<div id=\"metaslider-id-7692\" style=\"max-width: 600px; margin: 0 auto;\" class=\"ml-slider-3-60-1 metaslider metaslider-flex metaslider-7692 ml-slider ms-theme-cubic nav-hidden nav-hidden\" role=\"region\" aria-roledescription=\"Slideshow\" aria-label=\"cooling\">\n    <div id=\"metaslider_container_7692\">\n        <div id=\"metaslider_7692\">\n            <ul aria-live=\"polite\" class=\"slides\">\n                <li style=\"display: block; width: 100%;\" class=\"slide-7693 ms-image\" aria-roledescription=\"slide\" aria-label=\"slide-7693\"><img src=\"https:\/\/cnrm.uniri.hr\/upload\/2022\/12\/cooling_1-scaled-600x600.jpg\" height=\"600\" width=\"600\" alt=\"\" class=\"slider-7692 slide-7693\" title=\"cooling_1\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-7694 ms-image\" aria-roledescription=\"slide\" aria-label=\"slide-7694\"><img src=\"https:\/\/cnrm.uniri.hr\/upload\/2022\/12\/cooling_2-scaled-600x600.jpg\" height=\"600\" width=\"600\" alt=\"\" class=\"slider-7692 slide-7694\" title=\"cooling_2\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-7695 ms-image\" aria-roledescription=\"slide\" aria-label=\"slide-7695\"><img src=\"https:\/\/cnrm.uniri.hr\/upload\/2022\/12\/cooling_3-scaled-600x600.jpg\" height=\"600\" width=\"600\" alt=\"\" class=\"slider-7692 slide-7695\" title=\"cooling_3\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-7696 ms-image\" aria-roledescription=\"slide\" aria-label=\"slide-7696\"><img src=\"https:\/\/cnrm.uniri.hr\/upload\/2022\/12\/cooling_4-scaled-600x600.jpg\" height=\"600\" width=\"600\" alt=\"\" class=\"slider-7692 slide-7696\" title=\"cooling_4\" \/><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div><\/p>","protected":false},"excerpt":{"rendered":"<p>Sustav hla\u0111enja \u010dine dva 100% redundantna podsustava: Sustav tople vode za direktno hla\u0111enje ra\u010dunalnih \u010dvorova (\u010detiri DLC ormara) Sustav hladne vode za hla\u0111enje ostalih komponenti i \u010detiri klima ormara podatkovnog centra. Sustav tople vode priprema vodu za hla\u0111enje 4 ormara&hellip;&nbsp;<a href=\"https:\/\/cnrm.uniri.hr\/hr\/cooling-system-and-efficiency\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":14,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/builder.php","meta":{"_links_to":"","_links_to_target":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/pages\/4269"}],"collection":[{"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/comments?post=4269"}],"version-history":[{"count":30,"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/pages\/4269\/revisions"}],"predecessor-version":[{"id":7705,"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/pages\/4269\/revisions\/7705"}],"wp:attachment":[{"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/media?parent=4269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/categories?post=4269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnrm.uniri.hr\/hr\/wp-json\/wp\/v2\/tags?post=4269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}