preorita nabijeni pred skrcenim

2026-05-23 22:50:13 +02:00
parent 645f48036d
commit 904c318532
3 changed files with 115 additions and 16 deletions
--- a/backend/tests/test_planning_dispatch_milp.py
+++ b/backend/tests/test_planning_dispatch_milp.py
@@ -1028,6 +1028,75 @@ class PlanningDispatchMilpTests(unittest.TestCase):
        self.assertGreater(results[0].battery_setpoint_w, 0, "surplus PV should charge")


+class NegativeSellPvChargeTests(unittest.TestCase):
+    """BA81: při sell<0 a velké FVE A má jít výkon do baterie, ne do curtailment."""
+
+    def test_negative_sell_prefers_full_pv_charge_over_curtail(self) -> None:
+        slots = [
+            PlanningSlot(
+                interval_start=datetime(2026, 5, 24, 9, 0, tzinfo=timezone.utc),
+                buy_price=3.088,
+                sell_price=-0.9,
+                pv_a_forecast_w=13_500,
+                pv_b_forecast_w=0,
+                load_baseline_w=500,
+                ev1_connected=False,
+                ev2_connected=False,
+                allow_charge=True,
+                allow_discharge_export=False,
+            )
+        ]
+        battery = _battery(uc_wh=12_500.0, terminal_soc_value_factor=0.2)
+        battery.max_charge_power_w = 6_250
+        battery.max_discharge_power_w = 6_250
+        hp = SimpleNamespace(
+            rated_heating_power_w=0,
+            tuv_min_temp_c=45.0,
+            tuv_target_temp_c=55.0,
+        )
+        grid = SimpleNamespace(
+            max_import_power_w=17_000,
+            max_export_power_w=16_000,
+            block_export_on_negative_sell=False,
+        )
+        vehicles = [
+            SimpleNamespace(
+                max_charge_power_w=0,
+                battery_capacity_kwh=1.0,
+                default_target_soc_pct=80.0,
+            ),
+            SimpleNamespace(
+                max_charge_power_w=0,
+                battery_capacity_kwh=1.0,
+                default_target_soc_pct=80.0,
+            ),
+        ]
+        soc0 = 0.33 * battery.usable_capacity_wh
+        results, _ms, _ = solve_dispatch(
+            slots,
+            battery,
+            hp,
+            grid,
+            [None, None],
+            vehicles,
+            soc0,
+            50.0,
+            operating_mode="AUTO",
+        )
+        r0 = results[0]
+        self.assertGreater(
+            r0.battery_setpoint_w,
+            5_500,
+            "při sell<0 a PV≈13 kW má baterie nabíjet blízko max_charge (6,25 kW)",
+        )
+        # Přebytek nad max_charge jde do curtail (ne ~3 kW nabíjení + 9 kW curtail při plné baterii).
+        self.assertGreater(
+            r0.battery_setpoint_w,
+            r0.pv_a_curtailed_w * 0.5,
+            "nabíjení má dominovat nad curtailmentem",
+        )
+
+
 class AutoPvSurplusExportTests(unittest.TestCase):
    """Plná baterie + vysoká FVE: export přebytku (ge_pv), ne curtailment, bez SELL."""