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add PV bus voltage set-point correction #797

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add PV bus voltage set-point correction #797

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fbccfc7
add PV bus voltage set-point correction
jd-lara Nov 18, 2021
ea91862
fix bus index types
jd-lara Nov 18, 2021
0e12ac2
address case for inconsistent data
jd-lara Nov 18, 2021
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26 changes: 24 additions & 2 deletions src/io/matpower.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
# #
#########################################################################

const MP_FIX_VOLTAGE_BUSES = [2, 3]

"Parses the matpwer data from either a filename or an IO object"
function parse_matpower(io::IO; validate=true)::Dict
mp_data = _parse_matpower_string(read(io, String))
Expand Down Expand Up @@ -154,11 +156,15 @@ function _parse_matpower_string(data_string::String)

if haskey(matlab_data, "mpc.bus")
buses = []
pv_bus_lookup = Dict{Int, Any}()
for bus_row in matlab_data["mpc.bus"]
bus_data = _IM.row_to_typed_dict(bus_row, _mp_bus_columns)
bus_data["index"] = _IM.check_type(Int, bus_row[1])
bus_data["source_id"] = ["bus", bus_data["index"]]
push!(buses, bus_data)
if bus_data["bus_type"] ∈ MP_FIX_VOLTAGE_BUSES
pv_bus_lookup[bus_data["index"]] = bus_data
end
end
case["bus"] = buses
else
Expand All @@ -167,8 +173,24 @@ function _parse_matpower_string(data_string::String)

if haskey(matlab_data, "mpc.gen")
gens = []
corrected_pv_bus_vm = Dict{Int, Float64}()
for (i, gen_row) in enumerate(matlab_data["mpc.gen"])
gen_data = _IM.row_to_typed_dict(gen_row, _mp_gen_columns)
bus_data = get(pv_bus_lookup, gen_data["gen_bus"], nothing)
if bus_data !== nothing
if bus_data["bus_type"] ∈ MP_FIX_VOLTAGE_BUSES && bus_data["vm"] != gen_data["vg"]
Memento.warn(_LOGGER, string("Correcting vm in bus $(gen_data["gen_bus"]) to $(gen_data["vg"]) to match generator set-point"))
if gen_data["gen_bus"] ∈ keys(corrected_pv_bus_vm)
if corrected_pv_bus_vm[gen_data["gen_bus"]] != gen_data["vg"]
Memento.error(string(
"Generator voltage set-points for bus $(gen_data["gen_bus"]) are inconsistent. This can lead to unexpected results"
))
end
bus_data["vm"] = gen_data["vg"]
corrected_pv_bus_vm[gen_data["gen_bus"]] = gen_data["vg"]
end
end
end
gen_data["index"] = i
gen_data["source_id"] = ["gen", i]
push!(gens, gen_data)
Expand Down Expand Up @@ -839,7 +861,7 @@ function export_matpower(io::IO, data::Dict{String,Any})
if idx != gen["index"]
Memento.warn(_LOGGER, "The index of the generator does not match the matpower assigned index. Any data that uses generator indexes for reference is corrupted.");
end
println(io,
println(io,
"\t", gen["gen_bus"],
"\t", _get_default(gen, "pg"),
"\t", _get_default(gen, "qg"),
Expand Down Expand Up @@ -945,7 +967,7 @@ function export_matpower(io::IO, data::Dict{String,Any})
println(io, "];")
println(io)

if length(dclines) > 0
if length(dclines) > 0
# print the dcline data
println(io, "%% dcline data")
println(io, "% f_bus t_bus status Pf Pt Qf Qt Vf Vt Pmin Pmax QminF QmaxF QminT QmaxT loss0 loss1")
Expand Down