A Complete Guide about about Solar Solar Panel Installa Installation tion A Complete Note on Solar Panel Panel Installation. Installation. Calculat Calculation ion about about No of Solar Solar Panels, Panels, batteries Rating / Backup time, Inerter/!PS Rating, "oad and re#uired $atts. %it& Circuit 'iagrams. If (ou pick t&is post related to solar panel installation, )ou %ill be able to* + o calculate t&e no of solar panel -%it& rating + o calculate t&e rating of Solar panel + o calculate t&e rating of batteries for Solar panel s(stem + o calculate t&e back up time of batteries + o calculate t&e c&arging current for batteries + o Calculate C&arging time for batteries + !PS Rating for load re#uirement and muc& more Before starting, $e recommend to read t&is Article about Solar panel installation and P&otooltaic Pane Selection for &ome. PV: Types Types of Solar Panel and Which W hich one is the best PV Panel Now lets begin, Suppose, "oad 0 122 $atts Inerters Rating 03 Re#uired Backup time for batteries 0 4 5ours Re#uired No of Solar Panel 03 No of batteries 03 Solution: Inerter s&ould be greater 678 t&an t&e total "oad 122 9 -67/:22 0 622 122;622 0 :222 $atts &is is t&e rating of t&e !PS -Inerter
No% t&e re#uired Back up ime in 5ours 0 4 5ours Suppose %e are going to install :22A&, :6 < batteries, :6< 9 :22A& 0 :622 $& No% for =ne Batter( -i.e. t&e Backup time of one batter( :622 $& / 122 $ 0 :.7 5ours But our re#uired Backup time is 4 5ours. &erefore, 4/:.7 0 6+ i.e. %e %ill no% connect t%o -6 batteries eac& of :22A&, :6<.
If t&e number of batteries gien, and (ou %ant to kno% t&e Backup ime for t&ese gien batteries, t&en !se t&is formula. :622 $& 9 6 Batteries 0 6>22 $& 6>22 $& / 122 $ 0 4 &ours. So t&is is a :6 < inerter s(stem, No% %e %ill install t%o -6 batteries -eac& of :6<, :22 A& in Parallel.
WhyBat t er i esi nPar al l el ,noti nSer i es ? Because t&is is a :6
< %&ile t&e current rating %ould be same i.e.:22A&. $e %ill no% connect 6 batteries in parallel -eac& of :22A&, :6< &erefore for 6 Batteries, 622 A& :6<, No% Re#uired C&arging Current for t&ese t%o batteries. -C&arging current s&ould be :/:2 of batteries A& 622A& 9 -:/:2 0 62A No% t&e re#uired No of Solar Panels P 0 2$atts &is is our re#uired %atts for solar panel -onl( for batter( c&arging, and t&en batter( %ill suppl( po%er to t&e load No% 6>2$/2$ 0 > Solar panels &erefore, %e %ill connect > Solar Panels -eac& of 2$,:6<,7A in parallel. Ci r c ui tDi agr am f ort heabov eCal c ul at i onf orSol arPanel I ns t al l at i on
&is %as onl( for batter( C&arging -and t&en batter( %ill suppl( po%er to t&e desired "oad i.e. for t&ose electrical appliances, %&ic& %ill get po%er t&roug& inerter -from c&arged batteries No% suppose t&ere is some -'irectl( connected to t&e panels t&roug& inerters -%it&out batter( load about :2A, %&ic& %e &ae connect directl( to t&e solar panel -No batteries re#uired In t&is case, re#uired current -62 A for Batteries C&arging and :2 A for direct connected load t&roug& Inerters during suns&ine onl( but batteries %ill be also c&arging %&ile panel suppl( po%er to t&e direct connected load. In t&is case, total current, 62A ; :2 A 0 42A No% I 0 42 A, t&en re#uired Po%er P 0 < 9 I 0 :6< 9 42A 0 42$atts -&is is for bot& 'irect "oad and Batteries C&arging No%, 42/2$ 0 &erefore, %e %ill Connect No of Solar panels -eac& of 2$, :6<,7A And $e use C&arge Controller about ampere rating i.e, t&e c&arging current for 622A& batter( is 6266 Amperes -66A -or Batter( C&arging;:2A-for direct 'C "oadSo %e can use a c&arge controller about 4246 Amp.
Note@ t&is calculation is base on ideal case, so it is recommended to al%a(s c&oose a Panel some bigger t&en %e need. Because %&en Solar Panel c&arges t&e batter( so it is %asting some po%er on c&arging too. t&is is anot&er Circuit 'iagram for t&e aboe Calculation for Solar Panel Installation
