Sungrow SG2500U-MV, Системное руководство

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9 LCD Menu Operation System Manual
64
Parameter Description
Grid_V-unbalanced protect
value(%)
3-phase grid voltage unbalance protection threshold value
Grid_V-unbalanced protect
time(S) 3-phase grid voltage unbalance time reaches to the set value.
Protection is activated
Ins monitor measure
time(S)
Insulation monitoring time
Ins monitor protect
threshold(K)
Insulation monitoring protection threshold value
Ins monitor Vdc-start(V)
Insulation monitoring startup voltage. When the DC voltage
reaches to this set value, the insulation monitoring enables.
Ins monitor manual
Insulation monitoring manual trigger button. Press this button
and the insulation monitoring function enables.
Protection parameter range and default value are shown in the following table.
Parameter Range Default
Ⅰ
_Vgrid-max(%)
105~150 110
Ⅱ
_Vgrid-max(%)
105~150 115
Ⅲ
_Vgrid-max(%)
105~150 117.5
Ⅳ
_Vgrid-max(%)
105~150 120
Ⅴ
_Vgrid-max(%)
105~150 120
Recover_Vgrid-max(%) 105~150 105
Ⅰ
_T-Vhigh trip(ms)
40~600000 1100
Ⅱ
_T-Vhigh trip(ms)
40~600000 600
Ⅲ
_T-Vhigh trip(ms)
40~600000 300
Ⅳ
_T-Vhigh trip(ms)
40~600000 100
Ⅴ
_T-Vhigh trip(ms)
40~600000 100
Ⅰ
_Vgrid-min(%)
10~95 90
Ⅱ
_Vgrid-min(%)
10~95 75
Ⅲ
_Vgrid-min(%)
10~95 65
Ⅳ
_Vgrid-min(%)
10~95 45
Ⅴ
_Vgrid-min(%)
10~95 45
Recover_Vgrid-min(%) 10~95 95
Ⅰ
_T-Vlow trip(ms)
40~600000 3100
Ⅱ
_T- Vlow trip(ms)
40~600000 2100
Ⅲ
_T- Vlow trip(ms)
40~600000 400
Ⅳ
_T- Vlow trip(ms)
40~600000 240
Ⅴ
_T- Vlow trip(ms)
40~600000 240
Ⅰ
_Fgrid-max(Hz)
50.2~55/60.2~65 50.6/60.6
Ⅱ
_Fgrid-max(Hz)
50.2~55/60.2~65 51.6/61.6
Ⅲ
_Fgrid-max(Hz)
50.2~55/60.2~65 51.7/61.7
Ⅳ
_Fgrid-max(Hz)
50.2~55/60.2~65 51.7/61.7
Ⅴ
_Fgrid-max(Hz)
50.2~55/60.2~65 51.7/61.7
Recover_Fgrid-max(Hz) 50.2~55/60.2~65 50.2/60.2
Ⅰ
_T-Fhigh trip(ms)
40~600000 180100
Ⅱ
_T-Fhigh trip (ms)
40~600000 30100
Ⅲ
_T-Fhigh trip(ms)
40~600000 100
Ⅳ
_T-Fhigh trip (ms)
40~600000 100
Ⅴ
_T-Fhigh trip(ms)
40~600000 100
Ⅰ
_Fgrid-min(Hz)
45~49.8/55~59.8 49.4/59.4