Semiconductor Solar Cell Series Resistance Loss Calculator

Actual solar-cell operating-current series I²Rloss scenario, not fill-factor inference or measured total efficiency degradation.

Description

An ohmic series resistance dissipates power according to current squared times resistance.

An ohmic series resistance dissipates power according to current squared times resistance.1

A supplied series resistance and operating-current record define the conditional loss.

When to use Semiconductor Solar Cell Series Resistance Loss Calculator

Use this tool to obtain conditionalSeriesLossWattsByOperatingPoint from the supplied records using the stated calculation. Establish the device or material, operating point, units and independently applicable measurement or model calibration.

How to use Semiconductor Solar Cell Series Resistance Loss Calculator and understand its results

  1. Establish the device or material, operating point, units and independently applicable measurement or model calibration.
  2. Enter actualCellOperatingCurrentsAmps, callerIndependentlyMeasuredSeriesResistanceOhms, using the field meanings and rules below, then run the tool.
  3. Read result.conditionalSeriesLossWattsByOperatingPoint. Use the units and sign conventions below, and review any unknown records separately.
  4. Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
Input fieldMeaningValue typeRequirement
actualCellOperatingCurrentsAmpsActual cell operating currents ampslist of numberRequired
callerIndependentlyMeasuredSeriesResistanceOhmsCaller independently measured series resistance ohmsnumberRequired

Require nonnegative series resistance in ohms and a nonempty finite operating-current list. Currents may be signed; square each and multiply by resistance for conditional watts. A zero resistance returns zero losses. No resistivity extraction or full IV correction is performed.

seriesLossWatts_i=current_i²×seriesResistanceOhms

Use the matching field units and the exact boundary, ordering and reference rules above.

Output fieldMeaningValue type
resultQualified observed calculation or explicit referenceobject
result.conditionalSeriesLossWattsByOperatingPointCurrent squared times supplied series resistance for each point.list
json
{
  "input": {
    "actualCellOperatingCurrentsAmps": [
      1,
      2
    ],
    "callerIndependentlyMeasuredSeriesResistanceOhms": 0.5
  },
  "output": {
    "result": {
      "conditionalSeriesLossWattsByOperatingPoint": [
        0.5,
        2
      ]
    }
  }
}

Limitations and assumptions

Device structure, material state, operating conditions and calibration determine applicability. The result does not infer missing physical parameters, verify a transport mechanism or validate a fabricated device model.

Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Lists and matrices must be dense, without missing cells. Numeric lists allow at most 10000 entries, subject to the narrower lengths and code rules above. Extremely large composite outputs are rejected.

Alternative or Complementary methods

For a related step, use Semiconductor Tandem Cell Voltage Addition Calculator: Series-connected tandem-cell voltages add at a common operating current. For a complementary comparison, use Semiconductor Tandem Cell Current Matching Calculator: A series tandem current-matching comparison identifies the lowest supplied subcell current density.

References

  1. Semiconductor Solar Cell Series Resistance Loss Calculator — tool.io

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