fix calculate eaf

src/aeros_simulation/utils.py

@@ -7,6 +7,7 @@ def calculate_eaf(
         actual_production: float,
         ideal_production: float,
         downtime_hours,
+        plot_data = None
     ):
         """
         Calculate EAF using the time-based method from PLN document
@@ -25,15 +26,13 @@ def calculate_eaf(
 
         try:
                 # Calculate lost production
-                lost_production = ideal_production - actual_production
                 max_capacity = 660
+                derate_production = ideal_production - actual_production - (max_capacity * downtime_hours)
                 # Calculate total equivalent derate and outage hours
-                total_equivalent_derate_and_outage_hours = lost_production / max_capacity if max_capacity > 0 else 0
-                total_equivalent_derate = total_equivalent_derate_and_outage_hours - downtime_hours
-
+                derate_equivalent_hours = derate_production / max_capacity if max_capacity > 0 else 0
                 # Calculate EAF
-                effective_available_hours = available_hours - total_equivalent_derate
-                return (effective_available_hours / period_hours) * 100 if period_hours > 0 else 0, total_equivalent_derate
+                effective_available_hours = available_hours - derate_equivalent_hours
+                return (effective_available_hours / period_hours) * 100 if period_hours > 0 else 0, derate_equivalent_hours
         except Exception as e:
                 print("Error calculating EAF:", e)
                 raise