WIP: Add RAVENS schema

Project.toml

@@ -20,6 +20,7 @@ PolyhedralRelaxations = "2e741578-48fa-11ea-2d62-b52c946f73a0"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
+UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 
 [compat]
 CSV = "0.8.5, 0.9, 0.10"
@@ -34,6 +35,7 @@ LoggingExtras = "0.4.7, 1"
 PolyhedralRelaxations = "0.3.5"
 SCS = "0.9, 1.0, 1.1"
 SpecialFunctions = "2"
+UUIDs = "1.11.0"
 julia = "1.6"
 
 [extras]

src/PowerModelsDistribution.jl

@@ -24,6 +24,7 @@ module PowerModelsDistribution
     import LinearAlgebra
     import Statistics
     import SparseArrays
+    import UUIDs
 
     import LinearAlgebra: diagm, factorize
     import Statistics: mean, std
@@ -69,8 +70,10 @@ module PowerModelsDistribution
     include("data_model/transformations/dss2eng.jl")
     include("data_model/transformations/eng2math.jl")
     include("data_model/transformations/math2eng.jl")
+    include("data_model/transformations/math2ravens.jl")
     include("data_model/transformations/utils.jl")
     include("data_model/transformations/reduce.jl")
+    include("data_model/transformations/ravens2math.jl")
 
     include("core/data.jl")
     include("core/ref.jl")
@@ -113,6 +116,7 @@ module PowerModelsDistribution
     include("io/common.jl")
 
     include("data_model/utils.jl")
+    include("data_model/utils_ravens.jl")
     include("data_model/checks.jl")
     include("data_model/components.jl")
     include("data_model/multinetwork.jl")

src/data_model/transformations/dss2eng.jl

@@ -410,6 +410,24 @@ function _dss2eng_linecode!(data_eng::Dict{String,<:Any}, data_dss::OpenDssDataM
             _import_all!(eng_obj, dss_obj)
         end
 
+        # kron reduction on linecode only if kron key is found
+        reduce = get(dss_obj, "kron", false)
+        if reduce == true
+            nphases = nphases - 1
+            Z = eng_obj["rs"] + im*eng_obj["xs"]
+            Y = (eng_obj["g_fr"].* 2.0) + (im*eng_obj["b_fr"] .* 2.0)
+            z, y = _kron(Z, Y, nphases)
+            rs, xs = real(z), imag(z)
+            g, b = real(y), imag(y)
+            eng_obj["rs"] = rs
+            eng_obj["xs"] = xs
+            eng_obj["b_fr"] = b ./ 2.0
+            eng_obj["b_to"] = b ./ 2.0
+            eng_obj["g_fr"] = g ./ 2.0
+            eng_obj["g_to"] = g ./ 2.0
+            eng_obj["cm_ub"] = fill(dss_obj["emergamps"], nphases)
+        end
+
         _add_eng_obj!(data_eng, "linecode", id, eng_obj)
     end
 end

src/data_model/transformations/eng2math.jl

@@ -487,6 +487,7 @@ function _map_eng2math_transformer!(data_math::Dict{String,<:Any}, data_eng::Dic
                 # 2-WINDING TRANSFORMER
                 # make virtual bus and mark it for reduction
                 tm_nom = eng_obj["configuration"][w]==DELTA ? eng_obj["vm_nom"][w]*sqrt(3) : eng_obj["vm_nom"][w]
+
                 transformer_2wa_obj = Dict{String,Any}(
                     "name"          => "_virtual_transformer.$name.$w",
                     "source_id"     => "_virtual_transformer.$(eng_obj["source_id"]).$w",