CableHeroString voltage calculator
Log inSign up free

String voltage calculator

Photovoltaic string voltages for inverter compatibility and the AS/NZS 5033:2021 voltage limits.

Create a free account to save string voltage calculations to a project.

Sign up to save

Module specifications

Site conditions

Site type

Results

Voc (STC)

Open circuit voltage

–

Click Calculate to see results

Voc (Tmin)

At minimum temperature

–

Click Calculate to see results

Vmp (STC)

Maximum power voltage

–

Click Calculate to see results

Vmp (Tmax)

At maximum temperature

–

Click Calculate to see results

AS/NZS 5033:2021 compliance

Maximum PV array voltage: 1,500 V (commercial).

Verify the inverter's DC input window covers the calculated voltages.