fix prodeje za malo z pole b
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@@ -619,6 +619,39 @@ def _slots_with_charge_acquisition(
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]
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def _pv_store_value_czk_kwh(
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slot: PlanningSlot,
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charge_acquisition_czk_kwh: float,
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min_spread: float,
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) -> float:
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"""
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Minimální efektivní sell [Kč/kWh], pod kterým je FVE→síť horší než uložení
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(večerní peak / náklad zásoby z levného nákupu).
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"""
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future = float(
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slot.future_sell_opportunity_czk_kwh
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if slot.future_sell_opportunity_czk_kwh is not None
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else slot.sell_price
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)
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return max(future, float(charge_acquisition_czk_kwh)) - min_spread
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def _pv_forced_vent_export_allowed(
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t: int,
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*,
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current_soc_wh: float,
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battery,
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soc_headroom_wh: float,
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pv_surplus_w: float,
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) -> bool:
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"""Přebytek FVE do sítě jen když baterie na konci předchozího slotu nemá kapacitu."""
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if pv_surplus_w <= 0:
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return False
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if t == 0:
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return current_soc_wh >= float(battery.soc_max_wh) - soc_headroom_wh
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return False
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def solve_dispatch_two_pass(
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slots: list[PlanningSlot],
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battery,
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@@ -880,6 +913,7 @@ def solve_dispatch(
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if charge_acq_raw is not None
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else min(float(s.buy_price) for s in slots)
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)
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soc_headroom_wh = max(2000.0, 0.05 * float(battery.soc_max_wh))
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# Kotva: poslední slot před prvním sell<0 by měl končit u planner floor (pokud relaxace existuje).
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# Slack penalizujeme v objective; samotné omezení přidáme až po definici soc.
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@@ -1109,9 +1143,31 @@ def solve_dispatch(
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if s.sell_price < 0:
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prob += w_arb[t] == 0
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prob += bd[t] <= pulp.lpSum(ev_via_bat[e][t] for e in range(EV))
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# Tvrdý zákaz vývozu při záporné prodejní ceně, pokud:
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# - site má GEN/MI cutoff model (binárky z_gen_cutoff — BA81), nebo
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# - explicitně site_grid_connection.block_export_on_negative_sell (např. fixní nákup, bez pole B).
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prob += ge_bat[t] == 0
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ev_cap_neg = sum(
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float(vehicles[e].max_charge_power_w)
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for e in range(EV)
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if (e == 0 and s.ev1_connected) or (e == 1 and s.ev2_connected)
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)
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load_neg = (
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float(s.load_baseline_w)
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+ ev_cap_neg
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+ float(heat_pump.rated_heating_power_w)
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)
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pv_surplus_neg_w = max(
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0.0,
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float(s.pv_a_forecast_w) + float(s.pv_b_forecast_w) - load_neg,
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)
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# FVE→síť při záporném výkupu jen nucený vent (plná baterie); jinak bc_pv / load-first.
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if not _pv_forced_vent_export_allowed(
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t,
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current_soc_wh=current_soc_wh,
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battery=battery,
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soc_headroom_wh=soc_headroom_wh,
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pv_surplus_w=pv_surplus_neg_w,
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):
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prob += ge_pv[t] == 0
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# Tvrdý zákaz celého vývozu (GEN / fixní nákup bez pole B).
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block_neg_sell_export = bool(
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getattr(grid, "block_export_on_negative_sell", False)
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)
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@@ -1241,9 +1297,6 @@ def solve_dispatch(
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ref_buy_horizon = min(float(s.buy_price) for s in slots)
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min_spread = float(degradation_cost_effective)
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hp_rated_w = float(heat_pump.rated_heating_power_w)
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soc_headroom_wh = max(
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2000.0, 0.05 * float(battery.soc_max_wh)
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)
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for t in range(T):
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s = slots[t]
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buy_t = float(s.buy_price)
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@@ -1258,14 +1311,17 @@ def solve_dispatch(
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0.0,
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float(s.pv_a_forecast_w) + float(s.pv_b_forecast_w) - load_t,
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)
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# FVE export: zakázat jen okamžitě ztrátový výkup vs plánovaná zásoba (ne sell < buy ve slotu).
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if sell_t < charge_acquisition_czk_kwh - min_spread:
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block_loss_pv_export = not (
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float(s.pv_b_forecast_w) > 0 and pv_surplus_w > 0
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# FVE export jen pokud sell ≥ hodnota uložení (večerní peak / acquisition − degradace).
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pv_store_val = _pv_store_value_czk_kwh(
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s, charge_acquisition_czk_kwh, min_spread
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)
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if t == 0 and current_soc_wh >= float(battery.soc_max_wh) - soc_headroom_wh:
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block_loss_pv_export = False
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if block_loss_pv_export:
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if sell_t < pv_store_val and not _pv_forced_vent_export_allowed(
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t,
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current_soc_wh=current_soc_wh,
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battery=battery,
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soc_headroom_wh=soc_headroom_wh,
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pv_surplus_w=pv_surplus_w,
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):
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prob += ge_pv[t] == 0
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# Drahý nákup oproti horizontu: import jen na load + EV + TČ, ne na grid-nabíjení.
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if buy_t >= 0 and buy_t > ref_buy_horizon + min_spread:
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@@ -1782,6 +1782,75 @@ class LoadFirstDispatchTests(unittest.TestCase):
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self.assertEqual(r.export_mode, "PV_SURPLUS")
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class Home01PvStoreValueTests(unittest.TestCase):
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"""FVE (zejména pole B) nesmí jít do sítě pod hodnotou uložení / večerní peak."""
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def test_pv_b_low_sell_charges_not_exports(self) -> None:
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"""08:30 archetyp: sell ~0,09, večer ~5,5 → bc, ne ge_pv."""
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slots = [
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PlanningSlot(
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interval_start=datetime(2026, 5, 22, 6, 30, tzinfo=timezone.utc),
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buy_price=1.017,
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sell_price=0.088,
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pv_a_forecast_w=0,
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pv_b_forecast_w=5313,
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load_baseline_w=1961,
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ev1_connected=False,
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ev2_connected=False,
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allow_charge=True,
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allow_discharge_export=False,
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charge_acquisition_buy_czk_kwh=0.526,
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future_sell_opportunity_czk_kwh=5.5,
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)
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]
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battery = _battery(uc_wh=64_000.0, min_pct=12.0, arb_pct=20.0)
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battery.max_charge_power_w = 18_000
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hp = SimpleNamespace(rated_heating_power_w=0, tuv_min_temp_c=45.0, tuv_target_temp_c=55.0)
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grid = SimpleNamespace(max_import_power_w=17_000, max_export_power_w=13_500)
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vehicles = [
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SimpleNamespace(max_charge_power_w=0, battery_capacity_kwh=1.0, default_target_soc_pct=80.0),
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SimpleNamespace(max_charge_power_w=0, battery_capacity_kwh=1.0, default_target_soc_pct=80.0),
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]
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soc0 = 0.45 * battery.usable_capacity_wh
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results, _, _ = solve_dispatch(
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slots, battery, hp, grid, [None, None], vehicles, soc0, 50.0, operating_mode="AUTO"
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)
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r = results[0]
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self.assertGreaterEqual(r.grid_setpoint_w, 0, "nízký sell: žádný export FVE")
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self.assertGreater(r.battery_setpoint_w, 500, "přebytek PV do baterie")
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def test_negative_sell_no_pv_export_when_battery_has_room(self) -> None:
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slots = [
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PlanningSlot(
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interval_start=datetime(2026, 5, 22, 7, 45, tzinfo=timezone.utc),
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buy_price=0.55,
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sell_price=-0.266,
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pv_a_forecast_w=0,
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pv_b_forecast_w=5474,
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load_baseline_w=1961,
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ev1_connected=False,
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ev2_connected=False,
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allow_charge=True,
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allow_discharge_export=False,
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charge_acquisition_buy_czk_kwh=0.526,
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future_sell_opportunity_czk_kwh=5.5,
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)
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]
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battery = _battery(uc_wh=64_000.0)
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battery.max_charge_power_w = 18_000
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hp = SimpleNamespace(rated_heating_power_w=0, tuv_min_temp_c=45.0, tuv_target_temp_c=55.0)
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grid = SimpleNamespace(max_import_power_w=17_000, max_export_power_w=13_500)
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vehicles = [
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SimpleNamespace(max_charge_power_w=0, battery_capacity_kwh=1.0, default_target_soc_pct=80.0),
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SimpleNamespace(max_charge_power_w=0, battery_capacity_kwh=1.0, default_target_soc_pct=80.0),
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]
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soc0 = 0.5 * battery.usable_capacity_wh
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results, _, _ = solve_dispatch(
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slots, battery, hp, grid, [None, None], vehicles, soc0, 50.0, operating_mode="AUTO"
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)
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self.assertGreaterEqual(results[0].grid_setpoint_w, 0)
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class SitePowerCapTests(unittest.TestCase):
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"""Tvrdé limity site import a součtu nabíjení baterie."""
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@@ -110,7 +110,7 @@ Pro **home-01** při nabíjení 11:00–14:00 za ~0,7–0,9 Kč a výprodeji 19:
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1. **`ems.fn_load_planning_slots_full`** (`R__063`): grid **B** = nejlevnější sloty v AM/PM do Wh rozpočtu; **nevyčerpaný AM rozpočet přejde do PM** (odpolední NT za ~0,5 Kč může nabíjet i po ranním dobití). `grid_target × charge_slot_buffer`, cap slotů též × buffer. **A** = PV jen pokud `sell ≥ future_sell_lookahead − degrad`.
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2. **`solve_dispatch` (AUTO):** objective `gi×buy − ge_pv×sell − ge_bat×sell + ge_bat×acquisition` (export bat. jen v `allow_discharge_export`). Odstraněn cross-slot guard `ge_pv ≥ surplus` / `bc=0` dle `export_refill_net`.
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3. **Guard FVE:** `ge_pv=0` jen při `sell < charge_acquisition − degrad` (ne `sell < buy` ve stejném slotu).
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3. **Guard FVE:** `ge_pv=0` při `sell < max(future_sell_opportunity, charge_acquisition) − degrad` (PV store value); výjimka jen plná baterie v kotvícím slotu. Při `sell < 0` také `ge_pv=0` (home-01 bez `block_export_on_negative_sell`). Bez blanket výjimky „pole B má přebytek“.
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4. **`solve_dispatch_two_pass`:** pass 1 → vážený `buy` z `bc`+`gi` v `allow_charge` → pass 2; volá `run_daily_plan` / `run_rolling_replan` v AUTO. Snapshot: `acquisition_pass1_czk_kwh`, `acquisition_pass2_czk_kwh`, `two_pass_enabled`.
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5. **Regrese:** `Home01RegressionTests` v `backend/tests/test_planning_dispatch_milp.py`; masky v `test_planning_charge_slot_selection.py`.
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6. **Load-first (Deye, AUTO):** proměnné `pv_ld` / `pv_sp`, `bc_pv` / `bc_gi`; přebytek FVE jen `bc_pv + ge_pv ≤ pv_sp`; `gi ≤ load + bc_gi` (žádný fiktivní import při PV exportu). Plná bilance `pv_a + pv_b + gi + bd = load + ev + hp + bc + ge`. Test `LoadFirstDispatchTests`.
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@@ -16,6 +16,7 @@
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- **LP (AUTO):** objective explicitně `−ge_pv×sell − ge_bat×sell + ge_bat×acquisition` v exportních slotech; **bez** cross-slot vynucení `ge_pv ≥ surplus`. Guard FVE: `ge_pv=0` jen pokud `sell < charge_acquisition − degrad` (ne `sell < buy` ve slotu). Viz [`planning-arbitrage-accounting.md`](planning-arbitrage-accounting.md).
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- **Load-first (Deye, AUTO):** proměnné `pv_ld` (PV → load+EV+TČ), `pv_sp` (přebytek), `bc_pv` / `bc_gi`. Plná bilance `pv_a + pv_b + gi + bd = load + ev + hp + bc + ge`; `bc_pv + ge_pv ≤ pv_sp`; `gi ≤ load + bc_gi`; mimo `allow_discharge_export`: `bd ≤ load − pv_ld` a **`pv_ld ≥ load − gi − bd`**. Snapshot: `load_first_enabled=true`. Test `LoadFirstDispatchTests`.
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- **Tvrdé výkonové limity site/baterie:** `gi ≤ site_grid_connection.max_import_power_w` (breaker); **`bc_pv + bc_gi ≤ asset_battery.max_charge_power_w`**; **`ge ≤ max_export_power_w`** (proměnná `ge`, platí `ge = ge_pv + ge_bat`); **`bd + ge_bat ≤ asset_battery.max_discharge_power_w`** (vybíjení do domu + export z baterie nesmí současně překročit BMS). Dříve LP dovoloval import+nabíjení a dvojnásobné nabíjení; u prodeje hrozilo současné `bd` a `ge_bat` až 2× max discharge — viz `SitePowerCapTests`.
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- **Hodnota FVE (PV store value):** `ge_pv = 0`, pokud `sell < max(future_sell_opportunity, charge_acquisition) − degradation` — přebytek jde do baterie (`bc_pv`), ne do sítě za haléře. Výjimka jen **nucený vent** (kotovací slot `t=0`, SoC u `soc_max`, přebytek PV). Dříve výjimka „jakékoli pole B s přebytkem“ obcházela guard → export i při sell 0,05 nebo −0,2 Kč/kWh (`Home01PvStoreValueTests`). Při **`sell < 0`** je `ge_pv = 0` (a `ge_bat = 0`) stejně, pokud není vent.
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- **`ref_buy_min` (brána exportu):** `min(buy_price)` horizontu — jen „existuje levný nákup?“, **ne** průměrná cena nabití přes hodiny. Export sloty: `sell > ref_buy_min + degradation` (spot). Viz [`planning-arbitrage-accounting.md`](planning-arbitrage-accounting.md).
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- Pokud `energy_to_fill <= 0` nebo `charge_slot_buffer = 0`: všechny sloty povoleny.
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- **LP ekonomické guardy** (`solve_dispatch`, AUTO): `ge_pv=0` pokud `sell < charge_acquisition − degradation` (výjimka: plná baterie, přebytek **pv_b**). Pokud `buy > min(buy)+degradation` mimo charge masku → `gi` jen na load+EV+TČ. Viz `planning_engine.py` po slot pre-selection.
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