{ "schemaVersion": 1, "title": "Phasor browser teaching case: solar, storage and backup", "createdOn": "2026-09-10", "dataClassification": "constructed teaching data; not field measurements or a Phasor engine run", "source": { "model": "src/lib/learn/plant-models.ts#plantDay", "modelRevision": "teaching-2026-09-10-v1", "provenance": "Original deterministic browser model. All inputs are declared illustrative assumptions. No external weather dataset or random sample.", "modelSHA256": "7129c36eae58d124f014a7bbcfb7a9be061bef327cbbaa8031d1abfd7524c322" }, "assumptions": { "hours": 24, "stepHours": 1, "clock": "arbitrary teaching-day clock; no geographic time zone", "solar": "Analytic 900 W/m\u00b2 noon peak, zero outside 06:00\u201318:00", "cellTemperatureC": 40, "pvTemperatureCoefficientPerC": -0.004, "inverterEfficiency": 0.96, "inverterACLimit": "Equal to scenario PV DC rating", "generatorKW": 12, "generatorFuel": "0.08 * generator rated kW + 0.25 * generated kW L/hour when running", "dispatch": "Simplified load following; generator starts when PV and available storage cannot supply the load", "batteryPowerKW": 10, "batteryMinimumSoC": 0.1, "batteryMaximumSoC": 0.9, "batteryOneWayEfficiency": 0.95, "initialStoredKWh": 8, "load": "4 kW at 00:00\u201306:00 and 22:00\u201323:00; 8 kW at 07:00\u201316:00; 14 kW at 17:00\u201321:00" }, "limitations": [ "Not a .phasor project and cannot be imported as one", "Not an annual simulation, measured dataset, benchmark or sizing recommendation", "No cyclic end-state constraint; compare final stored energy", "No network losses, voltage, reactive-power, fault or protection calculation", "No battery ageing or temperature dependence", "No enforced generator minimum load, minimum run time, start fuel or maintenance model", "No cost, tariff or finance model" ], "scenarios": [ { "id": "baseline", "name": "Baseline", "pvKW": 24, "batteryKWh": 40, "expected": { "demandKWh": 186, "solarAvailableKWh": 148.0552238445806, "dieselKWh": 67.15514058390889, "fuelL": 30.228785145977223, "unmetKWh": 2.55514058390888, "curtailedKWh": 32.28129448608255, "finalStoredKWh": 4, "batteryLossKWh": 3.484210526315789 }, "hourly": [ { "hour": 0, "load": 4, "solar": 0, "diesel": 0.20000000000000018, "charge": 0, "discharge": 3.8, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0.19999999999999976, "fuel": 1.01 }, { "hour": 1, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.96 }, { "hour": 2, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.96 }, { "hour": 3, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.96 }, { "hour": 4, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.96 }, { "hour": 5, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.96 }, { "hour": 6, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.96 }, { "hour": 7, "load": 8, "solar": 5.044859416091117, "diesel": 2.955140583908883, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.6987851459772207 }, { "hour": 8, "load": 8, "solar": 9.745919999999998, "diesel": 0, "charge": 1.7459199999999981, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 5.658623999999998, "loss": 0.08729599999999998, "fuel": 0 }, { "hour": 9, "load": 8, "solar": 13.782812241803192, "diesel": 0, "charge": 5.782812241803192, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 11.15229562971303, "loss": 0.2891406120901599, "fuel": 0 }, { "hour": 10, "load": 8, "solar": 16.880428606501667, "diesel": 0, "charge": 8.880428606501667, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 19.588702805889614, "loss": 0.44402143032508373, "fuel": 0 }, { "hour": 11, "load": 8, "solar": 18.827671657894314, "diesel": 0, "charge": 10, "discharge": 0, "curtailed": 0.8276716578943137, "unmet": 0, "stored": 29.088702805889614, "loss": 0.5000000000000004, "fuel": 0 }, { "hour": 12, "load": 8, "solar": 19.491839999999996, "diesel": 0, "charge": 7.275049678010933, "discharge": 0, "curtailed": 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"fuel": 0 }, { "hour": 18, "load": 14, "solar": 2.3870619465492343e-15, "diesel": 3.9999999999999982, "charge": 0, "discharge": 10, "curtailed": 0, "unmet": 0, "stored": 16.047220437990653, "loss": 0.5263157894736836, "fuel": 1.9599999999999995 }, { "hour": 19, "load": 14, "solar": 0, "diesel": 4, "charge": 0, "discharge": 10, "curtailed": 0, "unmet": 0, "stored": 5.520904648516968, "loss": 0.5263157894736836, "fuel": 1.96 }, { "hour": 20, "load": 14, "solar": 0, "diesel": 12, "charge": 0, "discharge": 1.4448594160911195, "curtailed": 0, "unmet": 0.5551405839088801, "stored": 4, "loss": 0.0760452324258483, "fuel": 3.96 }, { "hour": 21, "load": 14, "solar": 0, "diesel": 12, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 2, "stored": 4, "loss": 0, "fuel": 3.96 }, { "hour": 22, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.96 }, { "hour": 23, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 4, "loss": 0, "fuel": 1.96 } ] }, { "id": "storage", "name": "More storage", "pvKW": 24, "batteryKWh": 80, "expected": { "demandKWh": 186, "solarAvailableKWh": 148.0552238445806, "dieselKWh": 47.21674583662749, "fuelL": 24.284186459156878, "unmetKWh": 0, "curtailedKWh": 3.1471833157886238, "finalStoredKWh": 8, "batteryLossKWh": 6.124786365419446 }, "hourly": [ { "hour": 0, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 8, "loss": 0, "fuel": 1.96 }, { "hour": 1, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 8, "loss": 0, "fuel": 1.96 }, { "hour": 2, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 8, "loss": 0, "fuel": 1.96 }, { "hour": 3, "load": 4, "solar": 0, "diesel": 4, "charge": 0, "discharge": 0, "curtailed": 0, "unmet": 0, "stored": 8, "loss": 0, "fuel": 1.96 }, 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