String Voltage Calculator
Calculate optimal string configurations for solar PV systems
Solar PV Design Tool
Optimize Your Solar String Design
Calculate the optimal number of panels per string based on inverter specifications and environmental conditions. Ensure your solar installation operates safely and efficiently.
Temperature Compensation
Account for voltage variations due to temperature changes at your installation site.
Inverter Matching
Ensure string voltage stays within inverter MPPT voltage range for optimal performance.
Key Features
Design Efficient Solar Arrays
Calculation Formulas
- IEC 60891 standard
- Temperature coefficients
- Detailed explanations
Temperature Range
- Min/max temperatures
- Site-specific design
- Safe operation
Voc & Vmp Calculations
- Open circuit voltage
- Max power point
- String sizing
Inverter Compatibility
- Voltage limits
- MPPT range check
- Configuration check
Min/Max Panels
- Recommended count
- Minimum panels
- Maximum panels
Documentation
- Generate reports
- Installation docs
- Approval ready
Clear Results
Make Informed Design Decisions
See voltage ranges across temperature extremes and verify your string configuration meets all requirements.
Voltage Window Verification
Ensure string voltage stays within inverter operating range
Safety Margin
Built-in safety factors for reliable long-term operation
Start Designing Your Solar System
Calculate optimal string configurations for maximum efficiency.