Table 1
Overview of the proposed tests and observations for evaluating array simulators.
| Category | Phenomenological observations | Standard tests | ||||
|---|---|---|---|---|---|---|
| No | Phen 1 | Phen 2 | Phen 3 | Std 1 | Std 2 | Std 3 |
| Name | I-V Curve Stability | Current Ripple | MPPT Efficiency Difference | MPP Accuracy and Drift | Frequency Response | Irradiance Variation |
| Short description | Slow I-V curve tracing. Plotting the I-V curve. | Connected to a PV inverter. Measurement of current ripple. | Exploring the difference in MPPT efficiency of an inverter using different PVAS | Manual MPP tracing after startup and after 10 min. Power measurement. | Superimpose an AC load at a given DC operating point. Measure phase shift. | Measure difference between setpoint (ramp) and actual value (step function). |
| Pass-Fail criterion | n. a. | n. a. | n. a. | MPP accuracy be below 1 % | Frequency shift shall be below 30° from 0 Hz to 150 Hz | RMSE shall be below 1 % |
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