oprava KV1 nabijeni rano misto prodeje
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@@ -619,21 +619,31 @@ 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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def _pv_store_value_czk_kwh(slot: PlanningSlot, min_spread: float) -> 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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Minimální sell [Kč/kWh], pod kterým je FVE→síť horší než uložení na večerní peak.
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Používá jen future_sell_opportunity (ne charge_acquisition — u fixního tarifu KV1
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by jinak blokoval export i při kladném sell 2 Kč).
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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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return future - min_spread
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def _pre_negative_sell_export_window(
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slots: list[PlanningSlot],
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) -> tuple[int | None, int | None]:
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"""Index prvního sell<0 a posledního slotu před ním (pro strategii „vyvézt dřív“)."""
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first_neg = next(
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(i for i, s in enumerate(slots) if float(s.sell_price) < 0),
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None,
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)
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if first_neg is None or first_neg <= 0:
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return first_neg, None
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return first_neg, first_neg - 1
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def _pv_forced_vent_export_allowed(
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@@ -917,7 +927,7 @@ def solve_dispatch(
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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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first_neg_sell_idx = next((i for i, s in enumerate(slots) if float(s.sell_price) < 0), None)
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first_neg_sell_idx, pre_neg_export_last_t = _pre_negative_sell_export_window(slots)
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if first_neg_sell_idx is not None and first_neg_sell_idx > 0 and floor_pct is not None:
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t_anchor = first_neg_sell_idx - 1
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soc_anchor_slack = pulp.LpVariable("soc_anchor_slack_wh", 0, float(battery.usable_capacity_wh))
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@@ -1311,16 +1321,25 @@ 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 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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# FVE export: před prvním sell<0 smí jít přebytek do sítě (kladný sell), pak nabít
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# v záporném okně z PV. Jinak držet energii na future_sell peak.
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allow_pre_neg_pv_export = (
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first_neg_sell_idx is not None
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and pre_neg_export_last_t is not None
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and t <= pre_neg_export_last_t
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and sell_t >= 0
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)
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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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pv_store_val = _pv_store_value_czk_kwh(s, min_spread)
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if (
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not allow_pre_neg_pv_export
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and sell_t < pv_store_val
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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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):
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prob += ge_pv[t] == 0
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# Drahý nákup: dům + TČ z baterie (ne import ze sítě); síť jen EV (+ případně TČ).
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@@ -1818,6 +1818,65 @@ class LoadFirstDispatchTests(unittest.TestCase):
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self.assertEqual(r.export_mode, "PV_SURPLUS")
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class PreNegativeSellExportTests(unittest.TestCase):
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"""Před prvním sell<0: export přebytku (BA81/KV1 strategie), ne nabíjení + pozdní vývoz."""
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def test_kv1_like_morning_exports_before_negative_sell_window(self) -> None:
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base = datetime(2026, 5, 22, 6, 45, tzinfo=timezone.utc)
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slots = [
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PlanningSlot(
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interval_start=base + timedelta(minutes=15 * i),
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buy_price=6.35,
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sell_price=2.2,
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pv_a_forecast_w=5000,
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pv_b_forecast_w=0,
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load_baseline_w=400,
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ev1_connected=False,
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ev2_connected=False,
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allow_charge=False,
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allow_discharge_export=False,
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charge_acquisition_buy_czk_kwh=6.35,
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future_sell_opportunity_czk_kwh=5.5,
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)
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for i in range(8)
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] + [
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PlanningSlot(
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interval_start=base + timedelta(hours=2),
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buy_price=6.35,
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sell_price=-0.3,
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pv_a_forecast_w=6000,
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pv_b_forecast_w=0,
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load_baseline_w=400,
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ev1_connected=False,
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ev2_connected=False,
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allow_charge=False,
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allow_discharge_export=False,
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charge_acquisition_buy_czk_kwh=6.35,
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future_sell_opportunity_czk_kwh=-0.3,
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),
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]
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battery = _battery(uc_wh=12_500.0, min_pct=10.0, arb_pct=30.0)
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battery.max_charge_power_w = 6250
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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(
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max_import_power_w=17_000,
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max_export_power_w=8000,
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block_export_on_negative_sell=True,
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)
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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 = 0.85 * battery.soc_max_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.assertLess(results[0].grid_setpoint_w, -500, "ráno: přebytek FVE do sítě před sell<0")
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neg = results[8]
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self.assertGreater(neg.battery_setpoint_w, 500, "záporný sell: PV do baterie")
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self.assertEqual(neg.export_mode, "NONE")
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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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