Sungrow SG500MX Operation Manual page 38

7 Parameters of LCD
Parameter
LVRT tolera vol min(V)
LVRT T1(ms)
LVRT T2(ms)
LVRT dynamic Kf factor
HVRT switch
HVRT normal vol max(%)
HVRT tolera vol max (%)
Tmax-HVRT normal(ms)
Tmax-HVRT tolera(ms)
Active Islanding
I leakage-pro(A)
Anti-PID mode
Ins monitor measure time (S)
Ins monitor
threshold(K)
Setting ranges and default values of the protective parameters are described in the following
table.
Parameter
Ⅰ_Vgrid-max(V)
Ⅱ_Vgrid-max(V)
Ⅰ_T-Vhigh trip(ms)
Ⅱ_T-Vhigh trip (ms)
Recover_Vgrid-max(V)
Ⅰ_Vgrid-min(V)
Ⅱ_Vgrid-min(V)
Ⅰ_T-Vlow trip(ms)
Ⅱ_T-Vlow trip (ms)
Recover_Vgrid-min(V)
Ⅰ_Fgrid-max((Hz)
Ⅱ_Fgrid-max((Hz)
Ⅰ_T-Fhigh trip(ms)
Ⅱ_T-Fhigh trip (ms)
Recover_Fgrid-max(Hz)
Ⅰ_Fgrid-min((Hz)
Ⅱ_Fgrid-min((Hz)
Ⅰ_T-Flow trip(ms)
Ⅱ_T-Flow trip (ms)
Recover_Fgrid-min((Hz)
LVRT switch
LVRT normal vol min(V)
LVRT tolera vol min(V)
LVRT T1(ms)
LVRT T2(ms)
LVRT dynamic Kf factor
HVRT switch
32
Description
Unavailable
Refer to Fig. 8-1Lower voltage withstand requirements, U2
Unavailable
Refer to Fig. 8-1Lower voltage withstand requirements, T1
Refer to Fig. 8-1Lower voltage withstand requirements, T2
Ratio of reactive power compensation and voltage dropping
depth during LVRT
Enable or disable the HVRT switch
Refer to Fig. 8-2High voltage withstand requirements, U2
Unavailable
Refer to Fig. 8-2High voltage withstand requirements, U1
Unavailable
Refer to Fig. 8-2High voltage withstand requirements, T2
Refer to Fig. 8-2High voltage withstand requirements, T1
Enable or disable the Anti-islanding function
Set the current leakage protection value
If Anti-PID mode is enabled, you may set the Anti-PID mode
(Invalid, Suppression and Repair)
Set the insulation monitor measure time
protect
Set the threshold value of the insulation monitor resistance
Range
346.5~472.5
346.5~472.5
40~600000
40~600000
346.5~472.5
31.5~283.5
31.5~283.5
40~600000
40~600000
31.5~283.5
50.2~53/60.2~63
50.2~53/60.2~63
40~600000
40~600000
50~53/60~63
46~50/56~60
46~50/56~60
40~600000
40~600000
46~50/56~60
Enable/Disable
270~283.5
15.7~126
500~1500
2500~3500
0~3
Enable/Disable
Operation Manual
Default
362
409.5
2000
100
346.5
252
157.5
2000
100
283.5
50.5/61.5
50.5/62
160
160
50.2/60.2
47.5/57.5
47.5/57.5
160
160
49.5/59.9
Enable
283.5
63
1000
3000
1.5
Enable