How Series And Parallel Solar Wiring Compares?

Solar panels wired in series works just like the conventional Christmas lights. If a bulb is busted, a socket is defective or a portion of the wire is damaged, the entire string will not light up. This is because electricity flows through a single wire. To make the Christmas lights work again, you need to find the problem bulb or defective socket or wire and repair it. However, there are also parallel-wired Christmas lights. The string of lights continues to work even if there is a defective portion.

This is also how series-wired solar panels work. Electricity travels in a single direction through the pv wire. If any of the panels in the series has a problem with the connection, the entire circuit is affected. In contrast, solar cable in parallel continue to work even if there are loose connections or a defective panel.

Typically, the type of inverter used by the PV system depends on how the solar panel cables are designed.