https://wiki.opensourceecology.org/index.php?action=history&feed=atom&title=Capacitive_Power_Supply 2026-04-29T15:18:30Z Revision history for this page on the wiki MediaWiki 1.39.13 https://wiki.opensourceecology.org/index.php?title=Capacitive_Power_Supply&diff=169885&oldid=prev 2018-04-13T12:51:24Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:51, 13 April 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*See Wikipedia for formulas - https://en.wikipedia.org/wiki/Capacitive_power_supply</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Small lightweight power supply for low current</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Small lightweight power supply for low current</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*0.<del style="font-weight: bold; text-decoration: none;">01F </del>capacitor at 120V gives <del style="font-weight: bold; text-decoration: none;">1A </del>- I=C dV/dt</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*0.<ins style="font-weight: bold; text-decoration: none;">05F </ins>capacitor at 120V gives <ins style="font-weight: bold; text-decoration: none;">2160A </ins>- I=C dV/dt <ins style="font-weight: bold; text-decoration: none;">=2 pi *0.05*120*60 =&gt; what is the limit that prevents or allows this huge current to happen?</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=Sourcing=</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=Sourcing=</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*0.05F capacitor - 270V - $7 - [https://www.amazon.com/NTE-Electronics-MRC370V10-Metallized-Capacitance/dp/B007Z7MVOO/ref=sr_1_1?s=industrial&amp;ie=UTF8&amp;qid=1523622125&amp;sr=1-1&amp;refinements=p_capacitance-bin%3A0.01+Farad]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*0.05F capacitor - 270V - $7 - [https://www.amazon.com/NTE-Electronics-MRC370V10-Metallized-Capacitance/dp/B007Z7MVOO/ref=sr_1_1?s=industrial&amp;ie=UTF8&amp;qid=1523622125&amp;sr=1-1&amp;refinements=p_capacitance-bin%3A0.01+Farad]</div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Capacitive_Power_Supply&diff=169882&oldid=prev 2018-04-13T12:36:25Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:36, 13 April 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l2">Line 2:</td> <td colspan="2" class="diff-lineno">Line 2:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*0.01F capacitor at 120V gives 1A - I=C dV/dt</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*0.01F capacitor at 120V gives 1A - I=C dV/dt</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>=Sourcing<del style="font-weight: bold; text-decoration: none;">-</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>=Sourcing<ins style="font-weight: bold; text-decoration: none;">=</ins></div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*0.<del style="font-weight: bold; text-decoration: none;">01F </del>capacitor - 270V - $<del style="font-weight: bold; text-decoration: none;">10 </del>- [https://www.amazon.com/NTE-Electronics-MRC370V10-Metallized-Capacitance/dp/B007Z7MVOO/ref=sr_1_1?s=industrial&amp;ie=UTF8&amp;qid=1523622125&amp;sr=1-1&amp;refinements=p_capacitance-bin%3A0.01+Farad]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*0.<ins style="font-weight: bold; text-decoration: none;">05F </ins>capacitor - 270V - $<ins style="font-weight: bold; text-decoration: none;">7 </ins>- [https://www.amazon.com/NTE-Electronics-MRC370V10-Metallized-Capacitance/dp/B007Z7MVOO/ref=sr_1_1?s=industrial&amp;ie=UTF8&amp;qid=1523622125&amp;sr=1-1&amp;refinements=p_capacitance-bin%3A0.01+Farad]</div></td></tr> <!-- diff cache key wikidb-wiki_:diff::1.12:old-169881:rev-169882 --> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Capacitive_Power_Supply&diff=169881&oldid=prev 2018-04-13T12:35:02Z

<p>Created page with &quot;*Small lightweight power supply for low current *0.01F capacitor at 120V gives 1A - I=C dV/dt =Sourcing- *0.01F capacitor - 270V - $10 - [https://www.amazon.com/NTE-Electroni...&quot;</p> <p><b>New page</b></p><div>*Small lightweight power supply for low current<br /> *0.01F capacitor at 120V gives 1A - I=C dV/dt<br /> <br /> =Sourcing-<br /> *0.01F capacitor - 270V - $10 - [https://www.amazon.com/NTE-Electronics-MRC370V10-Metallized-Capacitance/dp/B007Z7MVOO/ref=sr_1_1?s=industrial&amp;ie=UTF8&amp;qid=1523622125&amp;sr=1-1&amp;refinements=p_capacitance-bin%3A0.01+Farad]</div>

Marcin