[RE-wrenches] Manual Two Way (Bypass) DC Transfer Switch

Christopher Warfel cwarfel at entech-engineering.com
Wed Apr 25 06:49:54 PDT 2012


David Click provided a document from Outback that describes the way this 
concept works, making my need for the dc transfer switches unnecessary. 
Thanks David, hats off.

On 4/25/2012 6:16 AM, Christopher Warfel wrote:
> Has anyone come across a 600v dc rated two way bypass transfer 
> switch?  I am designing an ac coupled system and would like to have 
> the non-battery inverter's array available for the battery inverter if 
> the utility goes down for an extended period of time (hurricane or ice 
> storm). I can do it with two dc disconnect switches as long as they 
> are operated in proper sequence, but I thought a bypass switch would 
> be more fool proof or safer for the owner.  Thanks for any leads.  Chris
>
>

-- 

Christopher Warfel, P.E.
ENTECH Engineering, Inc.
Energy Utilization Experts
(401)466-8978

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