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 identified 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 05 (2020-08-30)
Copyright © Huawei Technologies Co., Ltd.
107
