Solar Lattice

Product

Solectria SGI 500/750XTM

ID
prod:yaskawa-solectria-sgi-500-750xtm
IRI
https://solarlattice.org/kb/prod/yaskawa-solectria-sgi-500-750xtm
Status
active
Also known as
SGI 500 750 XTM, SGI 500-750XTM, SGI 500XTM, SGI 750XTM, SGI XTM, SGI XTM Series
Category
Inverters
Make
yaskawa-solectria
Product level
family

The Solectria SGI 500/750XTM is a utility-scale grid-tied central inverter family from Yaskawa Solectria Solar, made up of the SGI 500XTM and SGI 750XTM. The SGI 500XTM delivers 500 kW continuous and the SGI 750XTM 750 kW, at a nominal AC voltage of 380 V with an operating range of 335 to 418 VAC. Both models accept up to 1000 VDC and operate on the DC side from 545 to 1000 VDC. The inverter connects through an external isolation transformer, and the manual points to a separate transformer specification. Output current is limited so it matches nameplate power at nominal AC voltage, so full power is not reached when grid voltage is low; current and power limiting behaviour can be configured. Cooling is automatic forced convection, and the default power factor is 1.0. Fault messages include DC GND Fault, Contactor Fail, CT Failure and DC Cont. Err. If you see a ground fault, do not touch any equipment and call a qualified person.

<!-- review notes

Claims

manufactured_by

c1 drafted · lead Yaskawa Solectria Solar

implements

c2 drafted · lead DC ground-fault protection

Reports DC GND Fault when a ground fault is detected in the PV array.

has_hazard

c3 drafted · lead Energized conductors during a ground fault

On a DC GND Fault the manual warns not to touch the inverter, disconnects, combiners, modules or racking.

review note: support check: partial - The passage warns not to touch equipment on a ground fault, which implies a shock hazard, but it never says conductors are energized.

rated_power

c4 drafted · lead nominal 500 KiloW

Conditions: SGI 500XTM, continuous power at nominal operating voltage and power factor 1.0

review note: possible conflict with c5 (same source; check the conditions)

c5 verified · fact nominal 750 KiloW

Conditions: SGI 750XTM, continuous power at nominal operating voltage and power factor 1.0

verified by: review-workflowverified on: 2026-10-24review note: possible conflict with c4 (same source; check the conditions)

rated_output_current

c6 drafted · lead ≤ 760 A

Conditions: SGI 500XTM, maximum continuous AC current

c7 drafted · lead ≤ 1140 A

Conditions: SGI 750XTM, maximum continuous AC current

nominal_voltage

c8 drafted · lead nominal 380 V

Conditions: Nominal AC operating voltage, both SGI 500XTM and SGI 750XTM

max_input_voltage

c9 drafted · lead ≤ 1000 V

Conditions: Absolute maximum DC voltage, both models

max_input_current

c10 drafted · lead ≤ 965 A

Conditions: SGI 500XTM, maximum DC operating current (total DC input)

c11 verified · fact ≤ 1445 A

Conditions: SGI 750XTM, maximum DC operating current (total DC input)

verified by: review-workflowverified on: 2026-10-24

Referenced by

Data