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Live calculationNo location or tariff is detected automatically. All results use the values you enter.
This guide is available in English and Urdu. English is shown below.
What is this tool used for?
Use this tool to screen a proposed panel-string arrangement against the selected voltage and current limits of one inverter MPPT input.
How to use this calculator
Enter series and parallel counts, panel datasheet values and temperature coefficients, design cell temperatures, and the inverter's absolute PV, MPPT operating and current limits. Treat each independent MPPT separately.
Understanding your results
Review every voltage and current check rather than just total array watts. A passing screen covers only the limits modelled here; startup voltage, permitted array power, connector restrictions and manufacturer design rules still need verification.
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Passing these selected checks is not full equipment approval. Verify startup voltage, permitted array wattage, irradiance/current correction factors, connector limits and manufacturer string-design rules. Inputs describe ONE MPPT, not combined independent MPPT channels.
What should I check before using this estimate?
Passing these selected checks is not full equipment approval. Verify startup voltage, permitted array wattage, irradiance/current correction factors, connector limits and manufacturer string-design rules. Inputs describe ONE MPPT, not combined independent MPPT channels.