point of connection [RE-wrenches]

[David Buckner]

As a mental exercise, it seems like you could feed two 200amp overcurrent protection devices at opposite ends of the bus and supply 400amps (assuming you had that much connected to the bus) without any part of the bus seeing more than 200amps.  Im really not qualified to back that up, so maybe someone else can speak to it.

-----Original Message-----
From: Travis Creswell <tcreswell at ozarkenergyservices.com>
Sent: Saturday, May 03, 2008 8:45 PM
To: RE-wrenches at topica.com <RE-wrenches at topica.com>
Subject: RE: point of connection [RE-wrenches]


I'm talking about leaving the existing 200 AMP main in place and paying
attention to install the inverter breaker at the opposite end of the buss.
This way you aren't able to overload rating of buss if I'm seeing this
right. I'm not talking about the code issue just trying to make a common
sense point.

Travis Creswell
Ozark Energy Services



-----Original Message-----
From: David Buckner [mailto:dbuckner at solaresystems.com] 
Sent: Saturday, May 03, 2008 4:17 PM
To: RE-wrenches at topica.com
Subject: RE: point of connection [RE-wrenches]


Just make sure the house isn't going to pull 175 amps and trip the new main.
That wouldn't be fun.

-----Original Message-----
From: Travis Creswell <tcreswell at ozarkenergyservices.com>
Sent: Saturday, May 03, 2008 3:06 PM
To: RE-wrenches at topica.com <RE-wrenches at topica.com>
Subject: RE: point of connection [RE-wrenches]


If we could that then we could just install the inverter breaker on the
opposite end of the main lugs then do a plaque/sticker that said something
like "always leave this breaker in this place".  Right?

Travis Creswell
Ozark Energy Services

-----Original Message-----
From: David Buckner [mailto:dbuckner at solaresystems.com] 
Sent: Saturday, May 03, 2008 1:44 PM
To: RE-wrenches at topica.com
Subject: RE: point of connection [RE-wrenches]


That is an option too.  120% = 240 amps - 175 amp main breaker would
allow for 65 amp input of PV.  Sticklers will say that it's not optimal
because someone will come along in the future and ignore the stickers
and plaques that say something like "Do Not Increase Main Breaker Size -
PV Source Connected..." and they'll do it anyway.

David

  


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