System Manual
9 LCD Menu Operation
65
Parameter
Range
Default
Ⅱ
_Fgrid-min(Hz)
45~49.8/55~59.8
48.4/58.4
Ⅲ
_Fgrid-min(Hz)
45~49.8/55~59.8
47.8/57.8
Ⅳ
_Fgrid-min(Hz)
45~49.8/55~59.8
47.3/57.3
Ⅴ
_Fgrid-min(Hz)
45~49.8/55~59.8
47/57
Recover_Fgrid-min(Hz)
45~49.8/55~59.8
50.2/60.2
Ⅰ
_T-Flow trip(ms)
40~600000
180100
Ⅱ
_T-Flow trip (ms)
40~600000
30100
Ⅲ
_T-Flow trip(ms)
40~600000
7600
Ⅳ
_T-Flow trip (ms)
40~600000
840
Ⅴ
_T-Flow trip (ms)
40~600000
100
LVRT switch
Enable/Disable
Enable
LVRT T1(ms)
2500~3500
3000
LVRT T2(ms)
500~1500
1000
LVRT voltage1(%)
85~90
90
LVRT voltage2(%)
5~40
20
LVRT dynamic Var Kf
factor
0~3
1.5
HVRT switch
Enable/Disable
Enable
HVRT T1(ms)
100~20000
10000
HVRT T2(ms)
100~5000
500
HVRT voltage1(%)
110~120
110
LVRT voltage2(%)
120~140
130
Recover T-grid(s)
1~600
10
Temperature settings(
℃
)
-5~10
0
Humidity settings(%RH)
70~100
80
Active Islanding
Enable/Disable
Disable
I leakage-pro(A)
1~10
5
Door-protect enable
Enable/Disable
Disable
Fault manual restart
Enable/Disable
Disable
Grid_V-unbalanced
protect value(%)
3~20
3
Grid_V-unbalanced
protect time(s)
0.1~600
0.1
Ins
monitor
measure
time(s)
30/150/300/600
150
Ins
monitor
protect
threshold(K)
15~100
50
Ins monitor Vdc-start(V)
220~780
220
Ins monitor manual
triggered mode button
default: Disable
Improper parameter configuration may affect the normal operation of the MV
Station!
Only authorized personnel can configure these parameters.
Should any question or doubt occurs, please contact Sungrow.
Please refer to the LCD screen for the specific setting ranges of these
parameters.
