Huawei SUN2000 - Appearance and Labels

14
8
8
Common Faults and Troubleshooting
Symptom
Possible Cause
Suggestion
String Reverse
The PV string cables are
connected reversely
during the SUN2000
installation.
Wait until the solar irradiance declines at night and the
PV string current reduces to below 0.5 A. Then, turn off
the two DC switches, remove the positive and negative
connectors, and correct the polarity of the DC input
power cable.
Appendix 1: Grid Codes (SUN2000-50KTL)
No. Grid Code Description No. Grid Code Description
1 CHINA-MV480
China medium-voltage
power grid (480 V)
2
IEC61727-
MV480
IEC61727 medium-
voltage power grid (50
Hz)
3 KOREA-MV480
South Korea medium-
voltage power grid (480
V)
4
ABNT NBR
16149_MV480
Brazil medium-voltage
power grid (480 V)
Appendix 2: Grid Codes (SUN2000-50KTL-C1)
No. Grid Code Description No. Grid Code Description
1 CHINA_MV500
China medium-voltage
power grid (500 V)
2
IEC61727-50
Hz-MV500
India medium-voltage
power grid (500 V)
Grid codes are subject to change. The listed codes are for your reference only.
NOTE