{"id":24,"date":"2008-09-05T23:22:07","date_gmt":"2008-09-06T06:22:07","guid":{"rendered":"http:\/\/geniusblog.zokul.com\/2008\/09\/05\/converters-waste-power\/"},"modified":"2012-11-11T19:16:52","modified_gmt":"2012-11-12T02:16:52","slug":"converters-waste-power","status":"publish","type":"post","link":"http:\/\/www.zokul.com\/zokulblog\/?p=24","title":{"rendered":"converters waste power"},"content":{"rendered":"<p>well everybody knows that converter will never reach 100% efficiency, but now the good ones are above 80-85%. why can&#8217;t one built one with 95%? a 10% increase would do the same as either makeing the device 10% more efficient, or cutting 10% off the power uptake &#8230; or reducing waste heat by 10%<\/p>\n<p>the problem seem to be the MOSFETs and capacitys inside. if you have only a few microF&#8217;s and switch at a few hundred kHz that charge is wasted &#8211; as heat. also the capacitors never give back what they got!<\/p>\n<p>one should design a circuit that uses the capacitys by bouncing them around and redirecting them so that the electrons are not wasted, but &#8216;recycled, maybe as supply for a lower output voltage (e.g. use the 12V waste for the 5V supply)<\/p>\n<p>i would compare it to waste heat from a powerplant &#8211; the temp and pressures go down, but then there are other stages that can make use of it (high press\/low press turbines). some waste however will always be there, so there will be no 100% efficiency possible<\/p>\n","protected":false},"excerpt":{"rendered":"<p>well everybody knows that converter will never reach 100% efficiency, but now the good ones are above 80-85%. why can&#8217;t one built one with 95%? a 10% increase would do the same as either makeing the device 10% more efficient, or cutting 10% off the power uptake &#8230; or reducing waste heat by 10% the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-24","post","type-post","status-publish","format-standard","hentry","category-hardware-stuff"],"_links":{"self":[{"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=\/wp\/v2\/posts\/24","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24"}],"version-history":[{"count":1,"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=\/wp\/v2\/posts\/24\/revisions"}],"predecessor-version":[{"id":165,"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=\/wp\/v2\/posts\/24\/revisions\/165"}],"wp:attachment":[{"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zokul.com\/zokulblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}