Huawei SUN2000-M3 User Manual page 120

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual
Figure H-1 PV string access detection
No. Parameter
1 PV string access
detection
2 Startup current
3 Startup current for 2-
in-1 detection
Issue 11 (2023-01-10)
Description
PV string access detection is set to Disable by
default. After the inverter connects to the power grid
properly, set this parameter to Enable.
When the current of all connected PV strings reaches
the preset value, the PV string access detection
function is enabled.
NOTE
Startup current setting rules:
● Startup current = I
about I (S ), see the PV module nameplate.
sc tc
● Default startup current (5 A): applicable to the scenarios
where the short-circuit current I
for the monocrystalline and polycrystalline PV modules.
When the current of a PV string reaches Startup
current for 2-in-1 detection, the PV string is
automatically identified as 2-in-1.
The default value is recommended.
Copyright © Huawei Technologies Co., Ltd.
H PV String Access Detection
(S ) x 0.6 (rounded up). For details
sc tc
(S ) is greater than 8 A
sc tc
Remarks
-
This
parameter
is
displayed
when PV
string
access
detection
is set to
Enable.
111