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ArynBergman
Posts: 45
Registered: ‎12-12-2012
Message 1 of 4 (405 Views)
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Factoring in redundant loads in an electrical distribution system

405 Views, 3 Replies
02-19-2013 05:23 PM

Example Circuit.png

The above image is a single line diagram of an electrical system that I need to create in Revit.  The inrow UPS's are connected to two SB's for redundancy purposes.  Each SB need's to account for the full 10kW load for each inrow UPS.  In the example above, the inrow UPS's would contribute 30kW to each SB.  However, for the MSB we only need to account for the actual load to each SB.  In the above case, it would 15 kW from each SB.  Is there any way to account for the additional redundant load for each of the SB's without the MSB seeing the redundant load?  Preferably by the Revit electrical system but  if not, any ghetto workaround (i.e.. calculated values in schedules) would be acceptable.  The inrow UPS's also have to have the correct loads associated with the connectors b/c the spaces they are in are reading the electrical loads.

 

Here's a link to an incorrect Revit example project on dropbox: Click here to view.

 

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CADastrophe
Posts: 3,118
Registered: ‎08-28-2009
Message 2 of 4 (381 Views)

Re: Factoring in redundant loads in an electrical distribution system

02-20-2013 08:12 AM in reply to: ArynBergman

How are you intending to show this information on the final drawings. For the MSB, I assume you'll use a Panel Schedule, but do you plan to create a Panel Schedule or an Electrical Equipment Schedule for the SB's as well?

Corey D.                                                                                                                  ADSK_Logo_EE_2013.png    AutoCAD 2014 User  Revit 2014 User
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Active Contributor
ArynBergman
Posts: 45
Registered: ‎12-12-2012
Message 3 of 4 (373 Views)

Re: Factoring in redundant loads in an electrical distribution system

02-20-2013 09:46 AM in reply to: CADastrophe

We can use either Panel or Electrical Equipment Schedules as it's not the final drawing that's important.  We need to be able to keep track of how loaded the SB's and MSB's are while we add more equipment to the circuits.

 

A friend of mine has pointed me towards using load classifications in panel schedules, but I'm still trying to figure out how to get them to even show up in the schedule.

Active Contributor
ArynBergman
Posts: 45
Registered: ‎12-12-2012
Message 4 of 4 (360 Views)

Re: Factoring in redundant loads in an electrical distribution system

02-20-2013 01:47 PM in reply to: ArynBergman

With a little help from Martin Schimd I was able to utilize Load Classifications and Electrical Panel Schedule calculations to  provide us with the data we needed.  Here's a link to his video which I used to derive the logic from:

http://inside-the-system.typepad.com/my_weblog/2010/11/accounting-for-non-coincident-loads-in-revit-...

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