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Fix simplify_network.py to handle more complex topologies #1211

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merged 2 commits into from
Aug 14, 2024
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Fix simplify_network.py to handle more complex topologies #1211

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2bcee87
Fixed simplify_network.py to handle more complex topologies, i.e. if …
bobbyxng Aug 14, 2024
953e128
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Aug 14, 2024
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15 changes: 13 additions & 2 deletions scripts/simplify_network.py
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Original file line number Diff line number Diff line change
Expand Up @@ -298,13 +298,24 @@ def simplify_links(
_, labels = connected_components(adjacency_matrix, directed=False)
labels = pd.Series(labels, n.buses.index)

G = n.graph()
# Only span graph over the DC link components
G = n.graph(branch_components=["Link"])

def split_links(nodes):
nodes = frozenset(nodes)

seen = set()
supernodes = {m for m in nodes if len(G.adj[m]) > 2 or (set(G.adj[m]) - nodes)}

# Supernodes are endpoints of links, identified by having lass then two neighbours or being an AC Bus
# An example for the latter is if two different links are connected to the same AC bus.
supernodes = {
m
for m in nodes
if (
(len(G.adj[m]) < 2 or (set(G.adj[m]) - nodes))
or (n.buses.loc[m, "carrier"] == "AC")
)
}

for u in supernodes:
for m, ls in G.adj[u].items():
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