fix

Signed-off-by: Damien Jeandemange <damien.jeandemange@artelys.com>
powsybl · Dec 17, 2024 · b96672c · b96672c
1 parent dfac80d
commit b96672c
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/main/java/com/powsybl/openloadflow/network/util/ActivePowerDistribution.java b/src/main/java/com/powsybl/openloadflow/network/util/ActivePowerDistribution.java
@@ -86,8 +86,10 @@ public Result run(LfGenerator referenceGenerator, Collection<LfBus> buses, doubl
             iteration++;
         }
 
-        final boolean movedBuses = Math.abs(initialP.entrySet().stream()
-                .mapToDouble(e -> e.getKey().getTargetP() - e.getValue()).sum()) > P_RESIDUE_EPS;
+        // Identify if injections moved significantly, used e.g. to establish stable/unstable outer loop status.
+        // The 0.9 magic factor is to handle potential rounding issues.
+        final boolean movedBuses = initialP.entrySet().stream()
+                .mapToDouble(e -> Math.abs(e.getKey().getTargetP() - e.getValue())).sum() > P_RESIDUE_EPS * 0.9;
 
         return new Result(iteration, remainingMismatch, movedBuses);
     }