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Post by LJM on Mar 12, 2015 8:54:21 GMT -8
I'm interested in the 300 watt premium kit. I have an RV with two 12 volt batteries and don't know if I should wire the 3 panels in series or in parallel. Can anyone advise?
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Post by Admin on Mar 12, 2015 9:51:46 GMT -8
If you are going with the 300W premium kit, I would recommend going series wiring. This will increase your system voltage and allow you to save money on wire sizing between the panels and the controller, as well as save you from buying branch connectors.
I would only recommend parallel wiring, if you expect to get shading on your panels. If your panels are expected to be somewhat shaded, parallel wiring will prevent the effects of shading from affecting your other panels. For example, if one panel becomes shaded, it's output will drop due to a drop in current. If your panels are wired in series, the currents of the other panels will also drop and match the current of the shaded panel, thereby reducing the output of your entire system. However, if they are wired in parallel, the shaded panel will still experience a drop in current, but this will not affect the output of the non-shaded panels.
Renogy Tech Support
SR
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Post by LJM on Mar 13, 2015 3:21:06 GMT -8
Thanks for the tip, I appreciate your advice. I may want to use a tiltable mounting system but the typical flat style mounts seem very stable and secure. Have you any comments on what type of mounts that I should consider?
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Post by Admin on Mar 13, 2015 14:24:29 GMT -8
LJM,
If your panels will be mounted permanently the best orientation for the panels will be a tilted one. The tilt angle should be equal to the latitude at your location. Your panels should be titled toward the equator, so if you are in North America that would be south.
Renogy Tech Support
SR
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