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Yaskawa Solectria SGI-XTM Current Limit

Code: Current Limit
Vendor severity: Informative
Page: 115
ID: fc:yaskawa-solectria-sgi-500-750xtm-currentlimit
IRI: https://solarlattice.org/kb/fc/yaskawa-solectria-sgi-500-750xtm-currentlimit
Status: active
Also known as: Current Limit, currentlimit, Yaskawa Solectria Current Limit
Category: Inverters

Class informational drafted · lead

Production reduced drafted · lead

Clears not stated

Decoded

Reports inverter power derating; look at cooling fan; confirm with fan function check; do: string configuration correction, clear ventilation blockage.

What can be behind Inverter power derating

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

Inverter Overheating drafted · lead

Defined in

SGI 500-750XTM IOM DOCR-070506-D — Yaskawa Solectria Solar · page 115 drafted · lead
- tbl=31.r2 h=e11eeb592422
- sec=12.2 h=36342d216ed4

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

Same condition on other equipment

Claims

`defined_in`

c1 drafted · lead SGI 500-750XTM IOM DOCR-070506-D

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422
SGI 500-750XTM IOM DOCR-070506-D sec=12.2 h=36342d216ed4

`has_event_class`

c2 drafted · lead Informational (status or configuration message)

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422
SGI 500-750XTM IOM DOCR-070506-D sec=12.2 h=36342d216ed4

review note: support check: partial - The row is under informative messages, but the section is not shown for this row's own listing and the current…

`reports`

c3 drafted · lead Inverter power derating

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422

`has_production_effect`

c4 drafted · lead Derate (output reduced or limited)

output capped at current limit; no reduced-output value stated

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422

`affects`

c5 drafted · lead Cooling fan

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422

review note: support check: partial - Fans are mentioned only as a check item in the corrective actions; the passage does not state that the cooling…

`detected_by`

c6 drafted · lead Fan function check

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422

review note: support check: partial - Checking that fans are operating is a corrective action, not the detection method for the message.

`mitigated_by`

c7 drafted · lead String configuration correction

when high input power from string sizing is the cause

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422

c8 drafted · lead Clear ventilation blockage

when high temperature is the cause

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422

`applies_to`

c9 drafted · lead Solectria SGI 500/750XTM

SGI 500-750XTM IOM DOCR-070506-D tbl=31.r2 h=e11eeb592422
SGI 500-750XTM IOM DOCR-070506-D sec=12.2 h=36342d216ed4

Data