Disconnecting Solar Panels Under Load

All working fine no problems.

Disconnecting solar panels under load.

Turn on the voltage meter and set it to measure direct current voltage dc. By cutting off the sunlight. Touch the metal part of the red. You could just disconnect them when you want but solar panels are a pretty good current source and have a somewhat annoying tendency of creating a dc arc when disconnected under load.

Quality solar panels are built and guaranteed to produce power for 25 years. Below i will describe basic steps in troubleshooting a pv array. Then you will understand do not disconnect under load. And that s why the signage is put on even 50w panels.

The only query is that attached to one of the sockets is a sticker saying do not disconnect under load. If you re not familiar a dc arc in a connector while you re disconnecting it by hand is not the sort of thing you want to be around. Often overlooked connectors are important to maintaining relia. Take large opaque cloths and completely cover each solar power panel in the system.

Common issues are zero power and low voltage output. The reason for the warning is to protect the manufacturer from lawsuit if you get a shock from the panels when not hooked up however as stated don t in hook the battery from the controer with the panels still powering the controller it will fry the controller. As has been pointed out covering your 50w panel during daylight with a large towel. For that reason it s most likely that a problem is caused by a defect in system.

Disconnecting solar panel under load. Troubleshooting a solar pv system. How to safely disconnect solar panels step 1.