{"id":10776,"date":"2017-12-08T11:00:08","date_gmt":"2017-12-08T19:00:08","guid":{"rendered":"http:\/\/www.palada.net\/index.php\/2017\/12\/08\/news-4548\/"},"modified":"2017-12-08T11:00:08","modified_gmt":"2017-12-08T19:00:08","slug":"news-4548","status":"publish","type":"post","link":"http:\/\/www.palada.net\/index.php\/2017\/12\/08\/news-4548\/","title":{"rendered":"How much power? What density? The IT Pod Sizing Calculator can help answer these data center questions."},"content":{"rendered":"<p><strong>Credit to Author: Wendy Torell| Date: Fri, 08 Dec 2017 17:58:23 +0000<\/strong><\/p>\n<p>Let\u2019s start with the first question\u2026 how much power can my IT space support? Often times, the available power feeds (the input voltage and breaker size) are constraints within the IT space of a data center. These power feeds determine the maximum power capacity provided to each IT pod (a pod is generally defined as 2 rows of racks being fed from a common distribution point).<\/p>\n<p>For instance, if I have 208\/120V 3-phase power coming into my IT space, and my input breaker is rated at 225A, I can get 65 kW of power out of that breaker.<\/p>\n<p>Here\u2019s the math:\u00a0 Power (kW) = [3-ph voltage x 1.732 x the breaker rating in amps x the derating of the breaker] \/ 1,000; so [208 x 1.732 x 225 x 0.8] \/ 1,000 = 65 kW<\/p>\n<p>On the other hand, if my input voltage was 415\/240V, with the same input breaker size, I can get 130 kW of power.\u00a0 (415\/240V distribution allows you to get twice the power.)<\/p>\n<p>&nbsp;<\/p>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-43802 aligncenter\" src=\"https:\/\/blog.schneider-electric.com\/wp-content\/uploads\/2017\/12\/ITPodCalculator.jpg\" alt=\"IT Pod Sizing Calculator Data Center\" width=\"975\" height=\"597\" srcset=\"https:\/\/blog.schneider-electric.com\/wp-content\/uploads\/2017\/12\/ITPodCalculator.jpg 975w, https:\/\/blog.schneider-electric.com\/wp-content\/uploads\/2017\/12\/ITPodCalculator-300x184.jpg 300w, https:\/\/blog.schneider-electric.com\/wp-content\/uploads\/2017\/12\/ITPodCalculator-768x470.jpg 768w\" sizes=\"auto, (max-width: 975px) 100vw, 975px\" \/> <\/p>\n<p>&nbsp;<\/p>\n<p>The amount of power you can get from a particular breaker is one of the key outputs of our <a href=\"https:\/\/blog.schneider-electric.com\/?feed-stats-url=aHR0cHM6Ly93d3cuc2NobmVpZGVyLWVsZWN0cmljLmNvbS9iMmIvZW4vc29sdXRpb25zL3N5c3RlbS9zMS9kYXRhLWNlbnRlci1hbmQtbmV0d29yay1zeXN0ZW1zL3RyYWRlLW9mZi10b29scy9kYXRhLWNlbnRlci1pdC1wb2Qtc2l6aW5nLWNhbGN1bGF0b3Iv&#038;feed-stats-url-post-id=43799\" target=\"_blank\" rel=\"noopener\">IT Pod Sizing Calculator<\/a>. We developed this TradeOff Tool to help data center designers understand the electrical and physical attributes of an IT pod based on key constraints.\u00a0 Another key factor is the rack density, which leads us to the second question\u2026<\/p>\n<p>Expected rack density impacts how many racks I can specify and deploy in each pod. But this is a tricky parameter to forecast, especially with the rapid changes we\u2019re witnessing in IT, such as hyper-convergence. The more uncertain you are of the density, the more additional space you should reserve to avoid stranding power and\/or cooling capacity.\u00a0 Generally, it is a better financial decision to strand space vs. stranding power and cooling infrastructure. \u00a0The <a href=\"https:\/\/blog.schneider-electric.com\/?feed-stats-url=aHR0cHM6Ly93d3cuc2NobmVpZGVyLWVsZWN0cmljLmNvbS9iMmIvZW4vc29sdXRpb25zL3N5c3RlbS9zMS9kYXRhLWNlbnRlci1hbmQtbmV0d29yay1zeXN0ZW1zL3RyYWRlLW9mZi10b29scy9kYXRhLWNlbnRlci1pdC1wb2Qtc2l6aW5nLWNhbGN1bGF0b3Iv&#038;feed-stats-url-post-id=43799\" target=\"_blank\" rel=\"noopener\">IT Pod Sizing Calculator<\/a> helps illustrate the effect of expected density and density confidence on the overall pod and room size.<\/p>\n<p>An additional electrical consideration for determining pod size is the number of available breaker positions.\u00a0 This can become a constraint for low density pods with a higher number of racks for a given power feed.\u00a0 The <a href=\"https:\/\/blog.schneider-electric.com\/?feed-stats-url=aHR0cHM6Ly93d3cuc2NobmVpZGVyLWVsZWN0cmljLmNvbS9iMmIvZW4vc29sdXRpb25zL3N5c3RlbS9zMS9kYXRhLWNlbnRlci1hbmQtbmV0d29yay1zeXN0ZW1zL3RyYWRlLW9mZi10b29scy9kYXRhLWNlbnRlci1pdC1wb2Qtc2l6aW5nLWNhbGN1bGF0b3Iv&#038;feed-stats-url-post-id=43799\" target=\"_blank\" rel=\"noopener\">calculator<\/a> helps you see these implications.<\/p>\n<p>In our supporting White Paper 260, <a href=\"https:\/\/blog.schneider-electric.com\/?feed-stats-url=aHR0cDovL3d3dy5hcGMuY29tL3dwP3dwPTI2MA%3D%3D&#038;feed-stats-url-post-id=43799\" target=\"_blank\" rel=\"noopener\">Specifying Data Center IT Pod Architectures<\/a>, we explain how to specify the physical infrastructure for an IT pod and describe optimum configurations based on available power feeds, physical space, and targeted average rack power densities.<\/p>\n<p>Check out the tool and the paper when you\u2019re facing these data center decisions.\u00a0 Experimenting with \u201cwhat-if\u201d scenarios will help you feel confident in the impact it has on your data center.<\/p>\n<p>&nbsp;<\/p>\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.schneider-electric.com\/?feed-stats-post-id=43799\" width=\"1\" height=\"1\" style=\"display: none;\" \/><\/p>\n<p>The post <a rel=\"nofollow\" href=\"https:\/\/blog.schneider-electric.com\/datacenter\/2017\/12\/08\/power-density-pod-sizing-calculator-answer-data-center-questions\/\">How much power? What density? The IT Pod Sizing Calculator can help answer these data center questions.<\/a> appeared first on <a rel=\"nofollow\" href=\"https:\/\/blog.schneider-electric.com\">Schneider Electric Blog<\/a>.<\/p>\n<p><a href=\"https:\/\/blog.schneider-electric.com\/datacenter\/2017\/12\/08\/power-density-pod-sizing-calculator-answer-data-center-questions\/\" target=\"bwo\" >http:\/\/blog.schneider-electric.com\/feed\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Credit to Author: Wendy Torell| Date: Fri, 08 Dec 2017 17:58:23 +0000<\/strong><\/p>\n<p>Let\u2019s start with the first question\u2026 how much power can my IT space support? Often times, the available power feeds (the input voltage and breaker size) are constraints within the&#8230;  <a href=\"https:\/\/blog.schneider-electric.com\/datacenter\/2017\/12\/08\/power-density-pod-sizing-calculator-answer-data-center-questions\/\" title=\"ReadHow much power? What density? The IT Pod Sizing Calculator can help answer these data center questions.\">Read more &#187;<\/a><\/p>\n<p>The post <a rel=\"nofollow\" href=\"https:\/\/blog.schneider-electric.com\/datacenter\/2017\/12\/08\/power-density-pod-sizing-calculator-answer-data-center-questions\/\">How much power? What density? The IT Pod Sizing Calculator can help answer these data center questions.<\/a> appeared first on <a rel=\"nofollow\" href=\"https:\/\/blog.schneider-electric.com\">Schneider Electric Blog<\/a>.<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[12389,12388],"tags":[12391,12400,12500],"class_list":["post-10776","post","type-post","status-publish","format-standard","hentry","category-scadaics","category-schneider","tag-data-center","tag-data-center-operations","tag-data-center-planning"],"_links":{"self":[{"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts\/10776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/comments?post=10776"}],"version-history":[{"count":0,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts\/10776\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/media?parent=10776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/categories?post=10776"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/tags?post=10776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}