Change default Ipopt print_level to 5 in AC and DC calculations

src/PowerFlow.jl

@@ -40,9 +40,9 @@ function calc_init_op(file::String; model=:ac)
     
     ### Calculate power flow for chosen model
     if model == :dc
-        calc_dc_pf!(network_data) # calculate DC-PF solution and add it to NDD
+        calc_dc_pf!(network_data) # calculate and add DC-PF
     elseif model == :ac
-        calc_ac_pf!(network_data) # calculate AC-PF solution and add it to NDD
+        calc_ac_pf!(network_data) # calculate and add AC-PF
     else
         throw(ArgumentError("Unknown model $model."))
     end
@@ -58,7 +58,7 @@ CAUTION: Overwrites any previous AC solution contained in the NDD!
 function calc_ac_pf!(
         network_data::Dict{String,<:Any}, 
         method = :JuMP; 
-        print_level = 0
+        print_level = 5
     )
 
     if method == :JuMP # calculate AC-PF solution using a JuMP model
@@ -84,14 +84,18 @@ end
 Calculates the DC power flow solution for the given NDD and updates it in the NDD.
 CAUTION: Overwrites any previous DC solution contained in the NDD!
 =#
-function calc_dc_pf!(network_data::Dict{String,<:Any})
+function calc_dc_pf!(network_data::Dict{String,<:Any}; print_level = 5)
     ### Calculate AC-PF solution using PowerModels.jl and Ipopt
     pf_result = run_dc_pf(
         network_data, 
-        optimizer_with_attributes(Ipopt.Optimizer, "print_level" => 0)
+        optimizer_with_attributes(
+            Ipopt.Optimizer, 
+            "print_level" => print_level
+        )
     )
+
     update_pf_data!(network_data, pf_result, model=:dc) # update PF in NDD
-    return network_data
+    return nothing
 end
 
 #=