From 3edaf2574abfb0013be44f5b37e6e29ae7ef60b1 Mon Sep 17 00:00:00 2001
From: CarlosEpia <carlosepiar@gmail.com>
Date: Wed, 4 Oct 2023 17:36:07 +0200
Subject: [PATCH] discard DC links under 220kV

---
 etrago/cluster/electrical.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/etrago/cluster/electrical.py b/etrago/cluster/electrical.py
index e46d6b0f..a834e8c3 100755
--- a/etrago/cluster/electrical.py
+++ b/etrago/cluster/electrical.py
@@ -320,6 +320,8 @@ def cluster_on_extra_high_voltage(etrago, busmap, with_time=True):
     # Dealing with links
     links = network.links.copy()
     dc_links = links[links["carrier"] == "DC"]
+    # Discard links connected to buses under 220 kV
+    dc_links = dc_links[dc_links.bus0.isin(buses.index)]
     links = links[links["carrier"] != "DC"]
 
     new_links = (