Bossrox
Solar tinkerer
I understand a diode is a dc directional semiconductor. other than blocking a reverse current, I don't get the need for them. I saw this diagram below in another post & it doesn't make sense to me. As you see, the diodes are bridging each string of cells but why are the strings both solid bridged & diode bridged at the same time. It appears to me the diodes aren't affecting anything being it's already solid bridged & if taken out would still be fully live. Could someone explain the purpose these are needed in solar panels?
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