Off-Grid Mining Microgrid — 35 kV · V3.0_expert

Global Simulation length (hours) Time step dt (s) Nominal frequency f0 (Hz) System damping D (pu) Load freq-sensitivity α (%/Hz)

Geography / Insolation Preset Custom Arctic (φ≈70°N) Desert (φ≈25°N) Tropical Africa (φ≈10°N) Andes (φ≈20°S) Latitude φ (°) Day-of-year (1–365) PV soiling (0.7–1)

Load / Renewables (0 to disable) Load baseline (MW) Load variation (MW)

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PV max (MW) PV day-shape (1–3) Cloudiness (0–1) PV ramp limit (%Pmax/s)

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Wind max (MW) Mean wind speed (m/s) Wind variability (0–1) Wind ramp limit (%Pmax/s)

Diesel (VF) 3.3MW initial on-line (0–6) 1.25MW initial on-line (0–2) Active power droop R_P (%) Per-unit min load Ramp up (MW/s) Ramp down (MW/s) Start/stop delay (s) Min off-time / cooldown (s) Start/stop hysteresis (MW) Allow all-off No (keep ≥1 online)Yes

BESS (VSG) P_max (MW) E_max (MWh) Initial SOC (%) Droop R_P (%) Virtual inertia H (s) Round-trip efficiency η (%) SOC target / band (% / %) SOC derate hi/lo walls (% / %) Emergency: |Δf| / overload× / window (Hz / × / s)

Protection / Limiting RoCoF max (Hz/s) Hz–W limit: k1(60.2–60.5)/k2(>60.5) OF1 thresh (Hz)/time (s) OF2 thresh (Hz)/time (s) Reclose after trip (s)

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UFLS (Under-Frequency Load Shedding) UF Stage 1 (Hz / shed %) UF Stage 2 (Hz / shed %) UF Stage 3 (Hz / shed %)

Window control (draggable) Window length (hours) Window start (hours)