Huawei SUN2000-185KTL-INH0 - Page 119

Figure B-1 String Access Detection
----End
Parameters
N
o.
Parameter Description Remark
s
1 String Access
Detection
The default value is Disable. After the
inverter is connected to the power grid, you
can set String Access Detection to Enable.
-
2 Startup current When the current of all connected PV
strings reaches the preset value, the PV
string connection detection function is
enabled.
NOTE
Startup current setting rules:
● Startup current = I
sc
(S
tc
) × 0.6 (rounded up).
For details about I
sc
(S
tc
), see the PV module
nameplate.
● Default startup current (5 A): applicable to
the scenarios where the short-circuit current
I
sc
(S
tc
) is greater than 8 A for the
monocrystalline and polycrystalline PV
modules.
This
paramet
er is
displaye
d only
when
String
Access
Detecti
on is set
to
Enable.
3 Startup current
for 2 in 1
detection
When the current of a PV string reaches
Startup current for 2 in 1 detection, the
PV string is automatically identied as 2 in
1.
You are advised to use the default value.
SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1)
User Manual B String Access Detection
Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd. 109