On 2011-05-31 20:14, Tom Elliot wrote:
Good on the buss bars Wayne. Using them removes the concerns about multiple strings and increases redundancy and system stability. You won’t need 4/0 between single strings and the buss bar, you can probably easily use smaller cable, just size it for the individual string. 4/0 to
Part of the argument for having multiple strings is for redundancy. If smaller interconnect cables are used, they will likely not have the required ampacity and OCPD to support the full load. In the event of part of the bank needing to be pulled offline there will be downtime and expense associated with upgrading the smaller interconnect cables to support the full load or the proportionally increased load.
Food for thought, -James Jarvis _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org