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Esri / utility-network-modeling

repo for network modeling
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Overhead three phase wye transformer #4

Closed MichaelZeiler closed 5 years ago

MichaelZeiler commented 5 years ago

Overhead three phase wye transformer-01

I created a graphic from the overhead three phase wye transformer from the PPT, but I see three modeling issues:

  1. I don't think the ground rod is connected properly, but I don't know the answer. The problem is that grounds are connected to the neutral wire (and ground terminals on devices) but we don't have a tap feature for neutrals.
  2. Line end asset types are funky. This can't be right.
  3. I thought we always had a riser at the junction between overhead and underground. Why is there no riser here?
jalsup commented 5 years ago

so far 99% of the feedback on risers has been they should not be a network feature, as they are a structure. I understand why Tom wanted them, but they are confusing to our BP's and Customers, except for Bruce Berkie. Also, the Riser as Tom defined it was for connecting Overhead to underground. In this case, the Underground line is connected directly to the fuse, so the Line End would be more consistent.

MikeMillerGIS commented 5 years ago

Lines Ends - John will revise the model, they will just be Line End: Line End. Phase info will be removed: https://github.com/ArcGIS/utility-network-configurations/issues/1004

Risers - Modeling and discussion ongoing, this topic needs some more discussion

MikeMillerGIS commented 5 years ago

Ground - https://github.com/ArcGIS/utility-network-configurations/issues/1007

MichaelZeiler commented 5 years ago

Overhead three phase wye transformer with riser-01 I modified this configuration to what I understand is the new riser model. (I did not update the key yet) @jalsup please review

MichaelZeiler commented 5 years ago

If the riser is inside the assembly, is an attachment needed?

jalsup commented 5 years ago

yes, as this is a different circuit section the riser needs the structural attachment to the pole.

MichaelZeiler commented 5 years ago

Overhead three phase wye transformer with riser Ok, that leads me to conclude the riser is outside the assembly, because our pattern is that everything inside an assembly inherits attachment associations

MichaelZeiler commented 5 years ago

Overhead three phase wye transformer with riser-01

Updated the key to be type-consistent with the drawing.

@jalsup, a couple of things: there are no conduit types in your AG/AT spreadsheet, so I made up a type for the diagram. Also, the low voltage UG line for 3ph service can't be duplex or triplex (I believe) so I made it quadraplex

jalsup commented 5 years ago

Hi @MichaelZeiler, we agreed with Tom to change the Triplex, Quadraplex, etc to just Overhead and Underground. The diagram should be updated to reflect that. I will look at the issue of conduit later today.

MichaelZeiler commented 5 years ago

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