{"id":588992,"date":"2024-11-05T21:05:37","date_gmt":"2024-11-05T21:05:37","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-12759-22019\/"},"modified":"2024-11-05T21:05:37","modified_gmt":"2024-11-05T21:05:37","slug":"iso-12759-22019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-12759-22019\/","title":{"rendered":"ISO 12759-2:2019"},"content":{"rendered":"<p>This document establishes a classification for fan efficiency. It applies to all electric-motor-driven fan systems that utilize a specific combination of components as defined below:<\/p>\n<p>a)    fan airflow performance determined in accordance with an accepted performance standard;<\/p>\n<p>b)    polyphase induction motors with nominal motor efficiency specified in this document;<\/p>\n<p>NOTE 1    Other types of motors are explicitly excluded.<\/p>\n<p>c)    pulse-width modulated variable frequency drives (VFDs) for use with single motors;<\/p>\n<p>NOTE 2    Single VFDs that service multiple, parallel fan motors are excluded.<\/p>\n<p>d)    mechanical power transmissions that utilize V-belts, flat belts, cog belts or couplings.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Fans \u2014 Efficiency classification for fans \u2014 Part 2: Standard losses for drive components<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2019-03<\/td>\n<td>28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":589005,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[374,2634],"product_tag":[],"class_list":{"0":"post-588992","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-23-120","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/588992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/589005"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=588992"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=588992"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=588992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}