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nastavitelny max sollar dle stridace (ulozeno v DB)
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This commit is contained in:
Dusan Vojacek
2026-05-25 11:25:29 +02:00
parent e06f76b9ff
commit c6074e9c74
13 changed files with 101 additions and 17 deletions
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33
db/migration/V082__deye_reg340_inverter_limits.sql Normal file
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@@ -0,0 +1,33 @@
-- Reg 340 (max solar power): strop dle výkonu střídače, ne součtu Wp polí; min dle firmware.
alter table ems.asset_inverter
add column if not exists deye_reg340_max_solar_w int,
add column if not exists deye_reg340_min_solar_w int not null default 0;
comment on column ems.asset_inverter.deye_reg340_max_solar_w is
'Horní strop zápisu Deye reg 340 (max solar power, W). Studené panely mohou překročit součet Wp — použít plný DC limit střídače (např. 32000 home-01, 65000 větší hybridy). NULL = fallback max_dc_input_w, pak součet Wp řiditelných polí.';
comment on column ems.asset_inverter.deye_reg340_min_solar_w is
'Minimální hodnota reg 340 přijatá firmwarem střídače (W). 0 = bez spodního limitu; starší Deye (home-01) často 400.';
-- home-01: SUN-20K, reg 340 max 32 kW, firmware min 400 W
update ems.asset_inverter inv
set
deye_reg340_max_solar_w = 32000,
deye_reg340_min_solar_w = 400
from ems.site s
where s.id = inv.site_id
and s.code = 'home-01'
and inv.code = 'deye-main'
and inv.controllable = true;
-- Ostatní řízené Deye hybridy: 65 kW strop, min 0 (novější firmware)
update ems.asset_inverter inv
set
deye_reg340_max_solar_w = coalesce(inv.deye_reg340_max_solar_w, 65000),
deye_reg340_min_solar_w = 0
from ems.site s
where s.id = inv.site_id
and s.code <> 'home-01'
and inv.code = 'deye-main'
and inv.controllable = true
and inv.active = true;

25
db/routines/R__083_fn_inverter_pv_a_max_w.sql
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@@ -1,14 +1,27 @@
-- Cap pro reg 340 max solar power (W): součet nominal_power_wp řiditelných PV polí na invertoru.
-- Cap pro reg 340 max solar power (W): plný výkon střídače, ne jen součet Wp polí A.
create or replace function ems.fn_inverter_pv_a_max_w(p_inverter_id int)
returns int
language sql
stable
as $$
select coalesce(sum(nominal_power_wp), 0)::int
from ems.asset_pv_array
where inverter_id = p_inverter_id
and controllable = true
with pv as (
select coalesce(sum(nominal_power_wp), 0)::int as wp_sum
from ems.asset_pv_array
where inverter_id = p_inverter_id
and controllable = true
)
select case
when (select wp_sum from pv) <= 0 then 0
else coalesce(
nullif(ai.deye_reg340_max_solar_w, 0),
nullif(ai.max_dc_input_w, 0),
(select wp_sum from pv),
0
)::int
end
from ems.asset_inverter ai
where ai.id = p_inverter_id
$$;
comment on function ems.fn_inverter_pv_a_max_w(int) is
'Cap pro reg 340 (max solar power, W) = součet nominal_power_wp řiditelných PV polí na daném invertoru. 0 = EMS reg 340 neaktivní (skip zápisu).';
'Cap pro reg 340 (max solar power, W): deye_reg340_max_solar_w, jinak max_dc_input_w, jinak součet Wp řiditelných polí. 0 = bez řiditelného PV A nebo bez capu — EMS reg 340 nezapisuje.';