Merge pull request openWB#1307 from benderl/fix-sungrow-divisionByZero

catch exception in component_state.py
rleidner · Dec 22, 2023 · 2d75c65 · 2d75c65
2 parents 1eb25a6 + c93da91
commit 2d75c65
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/packages/modules/common/component_state.py b/packages/modules/common/component_state.py
@@ -19,7 +19,11 @@ def _calculate_powers_and_currents(currents: Optional[List[float]],
         else:
             powers = [currents[i]*voltages[i] for i in range(0, 3)]
     if currents is None and powers:
-        currents = [powers[i]/voltages[i] for i in range(0, 3)]
+        try:
+            currents = [powers[i]/voltages[i] for i in range(0, 3)]
+        except ZeroDivisionError:
+            # some inverters (Sungrow) report 0V if in standby
+            currents = [0.0]*3
     if currents and powers:
         currents = [currents[i]*-1 if powers[i] < 0 and currents[i] > 0 else currents[i] for i in range(0, 3)]
     return currents, powers, voltages