diff --git a/LVX6048/lvx-flash/profiles/eg4-lp4-v2.yaml b/LVX6048/lvx-flash/profiles/eg4-lp4-v2.yaml index 5296ceb..ba43f70 100644 --- a/LVX6048/lvx-flash/profiles/eg4-lp4-v2.yaml +++ b/LVX6048/lvx-flash/profiles/eg4-lp4-v2.yaml @@ -25,11 +25,14 @@ # Current rationale (600 Ah bank): # 60 A/unit × 2 units = 120 A combined ≈ 0.2 C — very gentle on a 600 Ah bank. # 30 A/unit MUCHGC keeps grid-charging conservative (60 A combined). -# NOT raised to 80 A/unit (the enum max): charging is not clipping — at solar noon -# on a clear day (2026-06-24, ~5.8 kW PV) the bank drew only 71 A of the 120 A cap. -# The real harvest limiter is PV production (~5.8 kW seen vs 14.4 kW nameplate — -# the suspected down strings), not the charge ceiling. Revisit only if PV is -# restored and midday charge current is seen pinned at ~120 A below ~90% SoC. +# Charge-current headroom — REVISIT (corrected 2026-06-24): an off-peak sample +# (71 A of 120 A) first suggested no clipping, but at the actual solar PEAK (13:44, +# ~9.5 kW PV) the bank was pinned AT the 120 A cap (121 A) with SoC only 65% and +# load just 3.3 kW. So at noon the charge cap likely IS throttling harvest. Before +# raising to 80 A/unit, run the throttle test: on a clear noon, lift the cap (or add +# load) and see if combined PV climbs above ~9.5 kW (MPPT voltage staying at Vmp). If +# it does, raise max_charging_current; if PV stays flat, the array is tilt/heat/shade +# limited (45 deg tilt + trees), not cap limited. See memory project_solar_array_config. # enum: AGM | FLOODED | USER # USER required to enable the per-cell custom voltages below.