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General => General Discussion => Topic started by: KeithB on December 24, 2015, 09:26:05 AM

Title: Solar Panel Question
Post by: KeithB on December 24, 2015, 09:26:05 AM

I just bought a 200 watt monocrystaline solar panel on eBay.
When it arrived I noticed a warning sticker on the positive lead saying not to connect or disconnect under load.
Does anyone know the reason for this?
Keith

Title: Re: Solar Panel Question
Post by: HKB Electronics on December 24, 2015, 10:11:35 AM

The only reason I can think off is that the any arc might damage
the regulator, though a good quailty regulator shouldn't have a
problem with this.

Title: Re: Solar Panel Question
Post by: austastar on December 24, 2015, 10:40:58 AM

Hi,
  I thought the regulator had to see the battery and turn on before the panel was exposed to the sun.


I seem to remember a post here some where about some one having it all connected up and not working, but next morning it was all working ok.  The panel powered off overnight with the battery still connected so it reset itself in the morning.


Cheers

Title: Re: Solar Panel Question
Post by: KeithB on December 25, 2015, 05:51:08 AM

I finally got the answer from a bloke in the solar business.
Apparently the conncetors supplied at standar on all panels are prone to arcing damage when connected or disconnected under load. I think the problem can be solved by disconnected with a relay.