c1 drafted · lead STPTL-US-10-IA-xx-22
- STPTL-US-10-IA-xx-22
tbl=14.r1h=c395530b0b12
Fault codes › SMA › Sunny Tripower 12000-30000TL-US (STP xxxxxTL-US-10)
Reports high DC injection; confirm with grid DC component measurement; do: utility company consultation, inverter parameter adjustment.
Failure modes that present as the reported condition, and the tests that tell them apart.
tbl=14.r1 h=c395530b0b12The manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead STPTL-US-10-IA-xx-22
tbl=14.r1 h=c395530b0b12reportsc2 drafted · lead High DC injection
sec=h165 h=2ab8e611c91fsec=h185 h=493f3196f5e0tbl=14.r1 h=c395530b0b12sec=h237 h=bdf5d0cb813csec=h489 h=bdf5d0cb813csec=h423 h=bdf5d0cb813csec=h300 h=bdf5d0cb813cdetected_byc3 drafted · lead Grid DC component measurement
sec=h249 h=f7988acc8abfsec=h166 h=f7988acc8abfsec=h251 h=f7988acc8abfsec=h186 h=f7988acc8abftbl=14.r1 h=c395530b0b12sec=h490 h=f7988acc8abfsec=h424 h=f7988acc8abfsec=h301 h=f7988acc8abfreview note: support check: partial - Inverter detects DC in grid current, but no explicit measurement method is stated; monitoring threshold implies it.
mitigated_byc4 drafted · lead Utility company consultation
When the message appears frequently.
sec=h249 h=f7988acc8abfsec=h166 h=f7988acc8abfsec=h251 h=f7988acc8abfsec=h186 h=f7988acc8abftbl=14.r1 h=c395530b0b12sec=h490 h=f7988acc8abfsec=h424 h=f7988acc8abfsec=h301 h=f7988acc8abfc5 drafted · lead Inverter parameter adjustment
Raising the monitoring threshold, if the grid operator agrees.
sec=h249 h=f7988acc8abfsec=h166 h=f7988acc8abfsec=h251 h=f7988acc8abfsec=h186 h=f7988acc8abfsec=h490 h=f7988acc8abfsec=h424 h=f7988acc8abfsec=h301 h=f7988acc8abfapplies_toc6 drafted · lead Sunny Tripower TL-US
tbl=14.r1 h=c395530b0b12