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String Voltage Calculator

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Calculate optimal string configurations for solar PV systems

String Voltage Calculator Interface
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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.

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Design Efficient Solar Arrays

Calculation Formulas

  • Caret icon IEC 60891 standard
  • Caret icon Temperature coefficients
  • Caret icon Detailed explanations

Temperature Range

  • Caret icon Min/max temperatures
  • Caret icon Site-specific design
  • Caret icon Safe operation

Voc & Vmp Calculations

  • Caret icon Open circuit voltage
  • Caret icon Max power point
  • Caret icon String sizing

Inverter Compatibility

  • Caret icon Voltage limits
  • Caret icon MPPT range check
  • Caret icon Configuration check

Min/Max Panels

  • Caret icon Recommended count
  • Caret icon Minimum panels
  • Caret icon Maximum panels

Documentation

  • Caret icon Generate reports
  • Caret icon Installation docs
  • Caret icon Approval ready
String Voltage Calculator Results
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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.

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