tag:blogger.com,1999:blog-16736699.post2654581175545339453..comments2024-02-01T16:41:23.163+00:00Comments on Sustainable Suburbia: Open Inverter Part 4 - Getting the Draft Design into eagleCAD.Ken Boakhttp://www.blogger.com/profile/01168707285621954181noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-16736699.post-41534113042896293742023-04-25T08:58:23.002+01:002023-04-25T08:58:23.002+01:00Hello Ken,
it is possible to get your work - data...Hello Ken,<br /><br />it is possible to get your work - datas about this projekt?<br />I'm only a hobbyish and search a h-bridge for a dc-motors with 55V and Imax of 15A.<br />On my search I found your projekt inclusive a pcb of it, it wold be nice to get the Eagle files and Part list!<br /><br />greetings from Germany MAT<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-16736699.post-77207416880861844592015-10-10T11:23:21.657+01:002015-10-10T11:23:21.657+01:00Mark,
I was really just illustrating what the los...Mark,<br /><br />I was really just illustrating what the losses are in the FETs when they are driven hard at approaching their maximum drain current.<br /><br />In the 250W application, the panel may typically be producing about 10A at 25V - so the I2R losses in the FETs will be (100 x 10 mOhm) which is only 1 watt. In these conditions the heatsink will be barely required.<br /><br />However, I wanted to choose a heatsink that would cope with much higher powers - hence my 50A example.<br /><br /><br />Ken Boakhttps://www.blogger.com/profile/01168707285621954181noreply@blogger.comtag:blogger.com,1999:blog-16736699.post-40523202270899696552015-10-10T10:47:45.546+01:002015-10-10T10:47:45.546+01:00I'm only a hobbyish when it comes to electroni...I'm only a hobbyish when it comes to electronics, but have I misunderstood something here? <br />This controller is for a 250W solar panel, but at full tilt the FETs are generating 50W of heat? That's 20% of the input? Surely that's not right?Marknoreply@blogger.comtag:blogger.com,1999:blog-16736699.post-63914357658041815942015-10-06T17:55:32.686+01:002015-10-06T17:55:32.686+01:00One could also use this as a starting point to bui...One could also use this as a starting point to build a programmable AC power source. These AC sources are quite expensive, and are a necessary piece of test equipment when building things which are powered from the AC mains.Anonymoushttps://www.blogger.com/profile/13160110927027269336noreply@blogger.com