Solar Inverter Sizer verifies inverter-to-array compatibility for solar PV systems per NEC Article 690.
Features:
- DC/AC ratio calculation with optimal range guidance (1.1-1.3)
- NEC 690.7(A): String Voc at minimum temperature vs max DC input voltage
- NEC 690.8(A): Current capacity check (Isc x 1.25)
- MPPT voltage range verification
- Support for string, micro, and hybrid inverter types
- Temperature coefficient adjustment for cold climate sizing
- Compatibility status: compatible, incompatible, oversized, undersized
- Save calculations to history
- Export professional PDF reports
- Works offline
Standards: NEC 690.7(A), NEC 690.8(A)
Contact: support@tradetools.dev
