East West University

Sample design

Aftabnagar, Dhaka · RCC roof

Solar capacity

177.8kWp

Annual generation

226.2MWh

Estimated cost

BDT 7.89M

Payback

3.0years

Panel: 280 × Trina Solar 635 Wp
Inverter: 1 × Huawei 150 kW
AC capacity: 150 kW (DC/AC 1.19)
Strings: 14 strings of 20
Tilt: 14.0°
Roof: 56 × 34 m (assumed)

String open-circuit voltage 1029.1 V at 5 °C stays under the 1100 V limit.
MPPT voltage compatible: 817 V inside 200-1000 V.
MPPT current within limits: 46.7 A of 48 A.
DC/AC ratio 1.19 within the recommended 1.0-1.35 range.
DC input 177.8 kWp per inverter is within the 225 kW limit.

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An illustrative design calculated by Solaxify at this project's capacity. The building size is assumed and prices are sample budget figures, so this is not the installed system.