How to deal with reverse connection of photovoltaic panels

What happens if an inverter is connected in reverse?

If the components are connected in reverse, the consequences are relatively serious. At best, the inverter will explode, and at worst, the components will catch fire. So special attention should be paid. If novices are not very proficient, they can first measure the voltage with a multimeter.

What happens if you connect a pole to an inverter?

Experienced installation technicians will not make mistakes, but some novices may make the two connectors of the extension cord the same. If connected to the inverter, it will cause the positive and negative poles to be connected in reverse.

Do photovoltaic modules need an extension cord?

When photovoltaic modules are connected to an inverter, since there is a certain distance between the components and the inverter, an extension cord needs to be added. This extension cord needs to be made on site.

What happens if one string is connected in reverse?

If one string is connected correctly and the other several strings are connected in reverse, or one string is connected in reverse and the other several strings are connected correctly, there will be an internal short circuit in the strings, and the current will increase by more than 2 times.