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<blockquote data-quote="condor22" data-source="post: 633369" data-attributes="member: 1932"><p>Example 1 in Parallel remembering "In Parallel connection the A outputs of each panel are added and the lower of the panel V is used."</p><p></p><p>Amps added = 10+5=15 and the lower V=18, therefore 15x18=270W which is 90% efficiency.</p><p></p><p>Example 2 in Series remembering "In Series connection the V outputs of each panel are added and the lower of the panel A is used."</p><p></p><p>Volts added = 18+22=40 and the lower A=5, therefore 40x5=200W which is 66% efficiency. In this example, if your original panel is the 200W and you add the 100W, you gain zero W.</p><p></p><p>Having shown these examples, there are two points to make;</p><p></p><p>1. The only way of achieving as close to 100% efficiency from a bank of solar panels is to use the same type, size, make etc panels with the rated specs identical. Regardless of connecting in series or parallel.</p><p></p><p>2. Why use series? Answer next post.......</p></blockquote><p></p>
[QUOTE="condor22, post: 633369, member: 1932"] Example 1 in Parallel remembering "In Parallel connection the A outputs of each panel are added and the lower of the panel V is used." Amps added = 10+5=15 and the lower V=18, therefore 15x18=270W which is 90% efficiency. Example 2 in Series remembering "In Series connection the V outputs of each panel are added and the lower of the panel A is used." Volts added = 18+22=40 and the lower A=5, therefore 40x5=200W which is 66% efficiency. In this example, if your original panel is the 200W and you add the 100W, you gain zero W. Having shown these examples, there are two points to make; 1. The only way of achieving as close to 100% efficiency from a bank of solar panels is to use the same type, size, make etc panels with the rated specs identical. Regardless of connecting in series or parallel. 2. Why use series? Answer next post....... [/QUOTE]
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