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CPS SCH100-125KTL PV Over current

Code: PV Over current
Shown as: PV over current
Vendor severity: Protection
Page: 77
ID: fc:chint-sch-100-125ktl-pvovercurrent
IRI: https://solarlattice.org/kb/fc/chint-sch-100-125ktl-pvovercurrent
Status: active
Also known as: PV Over current, pvovercurrent, CPS PV Over current, PV over current
Category: Inverters

Class fault drafted · lead

Production not stated

Clears after a manual reset drafted · lead

Decoded

Reports DC overcurrent; confirm with PV input current measurement; do: inverter restart, inverter replacement.

What can be behind DC overcurrent

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 — CPS (Chint Power Systems) · page 77 drafted · lead
- tbl=37.r2 h=c41641d3f34c

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

ABB / FIMER: ABB / FIMER PVS-166-175-TL E001, ABB / FIMER PVS-60-TL E001, ABB / FIMER TRIO-20.0-27.6-TL E001, ABB / FIMER UNO-DM-3.3-5.0-PLUS E001, ABB / FIMER UNO-DM-6.0-PLUS E001
CPS: CPS SCA25KTL-208 PVx Over current, CPS SCA36KTL PVx Over current, CPS SCA50-100K-T Fault4030, CPS SCA50-100K-T PFault0050, CPS SCA50-100K-T Protect0360, CPS SCA50-100K-T Protect0060, CPS SCA50-100K-T Protect0820, CPS SCA50-100K-T Protect0850, CPS SCA50-100K-T Protect0880, CPS SCA50-60KTL PVx Over current, CPS SCH125KTL-AIO PV Over current
Canadian Solar: Canadian Solar 185-255K DC-INTF, Canadian Solar 185-255K OV-DCA-I
Fronius: Fronius Galvo 302, Fronius Primo 302, Fronius Symo 302
SMA: SMA SB-US-40 3801, SMA SB-US-41 3801, SMA SB-US-41 3802, SMA SB-US-41 3805, SMA CORE1-US 3801, SMA CORE1-US 3802, SMA CORE1-US 3803, SMA CORE1-US 3805, SMA CORE1-US 3806, SMA CORE1-US 3807, SMA CORE1-US 3808, SMA STP-TL-US 3801-3802, SMA STP-X-US 6406, SMA STP-X-US 6407, SMA SC-CP-XT 3803
Schneider Electric: Schneider Electric CL125 021, Schneider Electric CL125 040
Solis: Solis 3P-5G-US DC-INTF, Solis 3P-5G-US OV-DCA-I, Solis RHI-1P-HV DC-INTF, Solis RHI-1P-HV OV-DCA-I, Solis S6-EH1P DC-INTF, Solis S6-EH1P OV-DCA-I, Solis S6-EH2P DC-INTF, Solis S6-EH2P OV-DCA-I, Solis S6-EH2P OV-DCB-I, Solis S6-EH3P30-60K DC-INTF, Solis S6-EH3P30-60K OV-DCA-I, Solis S6-EH3P30-60K OV-DCB-I, Solis S6-EH3P75-150K DC-INTF, Solis S6-EH3P75-150K OV-DCA-I, Solis S6-EH3P75-150K OV-DCB-I, Solis S6-GC DC-INTF, Solis S6-GC OV-DCA-I, Solis S6-GC OV-DCB-I, Solis S6-GU DC-INTF, Solis S6-GU OV-DCA-I, Solis S6-GU OV-DCB-I

Same code in other families

CPS SCH125KTL-AIO PV Over current

Claims

`defined_in`

c1 drafted · lead CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37.r2 h=c41641d3f34c

`has_event_class`

c2 drafted · lead Fault (device stops or needs intervention)

from the table header

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37.r2 h=c41641d3f34c
CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37 h=b3d48b50b5c7

`reports`

c3 drafted · lead DC overcurrent

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37.r2 h=c41641d3f34c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=33.r3 h=1661d3fd4a84

`detected_by`

c4 drafted · lead PV input current measurement

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37.r2 h=c41641d3f34c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=33.r3 h=1661d3fd4a84

review note: support check: partial - Passages say to check PV input current but do not state it is detected by PV current measurement.

`has_recovery`

c5 drafted · lead Manual reset (operator restarts or acknowledges)

Check PV current and power cycle; replace the inverter if the fault cannot be cleared

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37.r2 h=c41641d3f34c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=33.r3 h=1661d3fd4a84

`mitigated_by`

c6 drafted · lead Inverter restart

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37.r2 h=c41641d3f34c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=33.r3 h=1661d3fd4a84

c7 drafted · lead Inverter replacement

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37.r2 h=c41641d3f34c
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=33.r3 h=1661d3fd4a84

`applies_to`

c8 drafted · lead CPS SCH100-125KTL-DO/US-600

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=37.r2 h=c41641d3f34c

Data