Fix periods in existing heatpipelines (due to solph v0.5.1)

oemof · Feb 2, 2024 · 3abc40c · 3abc40c
1 parent 907a6b0
commit 3abc40c
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/dhnx/optimization/oemof_heatpipe.py b/dhnx/optimization/oemof_heatpipe.py
@@ -269,8 +269,14 @@ def _relation_rule(block, n, t):
             o = list(n.outputs.keys())[0]
 
             expr = 0
-            expr += - m.flow[n, o, t]
-            expr += m.flow[i, n, t]
+            try:  # oemof.solph<=0.5.0
+                expr += - m.flow[n, o, t]
+                expr += m.flow[i, n, t]
+            except KeyError:  # oemof.solph>=0.5.1
+                period = 0  # Periods are not (yet) supported in DHNx
+                expr += - m.flow[n, o, period, t]
+                expr += m.flow[i, n, period, t]
+
             expr += - block.heat_loss[n, t]
             return expr == 0