[RE-wrenches] 3 Xantrex XW system

[William Miller]

Brian:


One more question:  Why must the external transfer be "rated for at least 
200 amp?"  The utility feed is 100 amp, the generator is 82 amp and if my 
arithmetic is correct, the inverters can generate 75 amps.

William



At 10:00 PM 4/28/2009, you wrote:


>William,
>
>In the Xantrex "XW Power System Installation Guide", pages 2-34 to 2-37, 
>there is a parts list and some diagrams on the wiring of a 3-inverter 
>system. The parts list calls for two 5 ft (62" hole-to-hole) 4/0 battery 
>cables to connect the third inverter up to the Distribution Panel.
>
>Also shown is the use of an external bypass switch to make up for the lack 
>of enough AC breaker spaces in a single Distribution Panel. It shows a 
>breaker/interlock panel, but a 2-pole manual transfer switch will also 
>work. Either way, it should be rated for at least 200A.
>
>Brian Teitelbaum
>AEE Solar
>
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