Aziz11 Posted July 12 Share Posted July 12 Hello to everyone, need suggestions from experts, When the inverter has an inbuilt changeover switch that can flip power within milliseconds from Zesco to the battery bank or Genset, why do we need to use an extra changeover switch? Fellow buddies can advise Thanks a lot Quote Link to comment Share on other sites More sharing options...
Thunderdolt Posted July 12 Share Posted July 12 For the time your inverter/battery/genset are unavailable would be my guess. Aziz11 1 Quote Link to comment Share on other sites More sharing options...
Arandoza Posted July 12 Share Posted July 12 Two scenarios spring to mind: 1) in the event that you need to bypass the inverter and operate from supply only, for maintenance or in event of a solar system failure. 2) You may have a supply changeover to switch manually from eskom to generator, as it enters the building? But i guess it depends on your implementation of your solar system. zsde, BritishRacingGreen and Aziz11 2 1 Quote Link to comment Share on other sites More sharing options...
Steve87 Posted July 17 Share Posted July 17 Can't talk about Zambian installation standards but in South Africa is part of the installation SANS standards of installation. So 1) it being a standard guideline & without it it will not be signed off with a certificate of electrical compliance. 2) The points the other guys mentioned: when you need to remove the inverter,.how will you do that safely... Scorp007 and WannabeSolarSparky 2 Quote Link to comment Share on other sites More sharing options...
Aziz11 Posted July 28 Author Share Posted July 28 Thanks all,here in zambia no need any installation certificate or verification from electricity supply company Quote Link to comment Share on other sites More sharing options...
Scorp007 Posted July 28 Share Posted July 28 25 minutes ago, Aziz11 said: Thanks all,here in zambia no need any installation certificate or verification from electricity supply company Although not needed I will still follow SANS to ensure you have a safe system. Aziz11 1 Quote Link to comment Share on other sites More sharing options...
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