I-V Curves and PV Performance Verification
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For each string, the PV Analyzer measures the I-V (current vs. voltage) and P-V (power vs. voltage) curves with a single button click. The measured results are compared to the expected performance, taking into account the irradiance and module cell temperature at the time of the I-V measurement. The user interface is via your Windows tablet or laptop (not included), which connects via WiFi to the PVA, and presents a large clear display of your results in the field.
Irradiance, module temperature, and tilt are measured with the SolSensor. The I-V Unit communicates wirelessly to the Solsensor, enhancing safety and allowing freedom of movement during testing. Automated data analysis and reporting save you time.
Measure strings up to 30 Amps. This can be useful for measuring multiple strings in parallel, for example when harnessing before the combiner box is employed. Please note, however, the maximum current for strings of high efficiency modules with ≥ 19% efficiency is 10 Amps. For more information on high efficiency modules, see the Solmetric app note I-V Curve Tracing of High Efficiency PV Modules.
In an example PV system with Voc=1300V, 16 strings per combiner box, 9 seconds between each of the I-V sweeps followed by 5 minutes to move to the next combiner (during which there are no measurements), the PVA-1500T can run all day long at 75°F (25°C) ambient temperatures and can make 330 measurements at 113°F (45°C) ambient before a longer cool-off period is required (assuming no direct sunlight on the PVA I-V Unit).
Furthermore, the incident-angle-corrected SolSensor is able to make accurate irradiance readings in lower light conditions extending your working window.
|This rugged waterproof, dust-proof, and crush-proof Pelican® case has durable custom foam cutouts for the I-V unit, SolSensor, and accessories as well as a pocket for a laptop/tablet (up to 14" x 10"). Includes wheels and retractable handle for easy transportation. Also holds the field recharging kit, including the folding solar panel. more...|
|This field charging kit enables you to charge your I-V unit or SolSensor from solar or from an external battery pack for those extra-long days in the field. Kit includes a 28W folding solar panel, external battery pack capable of re-charging an IV unit or SolSensor twice, and charging cables. Solar panel or external battery pack can not be used during I-V measurements.more...|
|Find pinched wires and leakage problems before they become dangerous with the Megger® MIT2500 Insulation Resistance Tester. The PV Analyzer software includes a feature for managing your meg-test data within the PVA Windows app. more...|
The PVA-1500 comes standard with:
Shipping: For new products, shipping costs are not included in the published prices, but are quoted separately.
Returns: Orders may be returned within 30 days of purchase with a 10% restocking fee. Returns are not accepted for orders more than 30 days old.
The PV Analyzer requires a Windows laptop or tablet that is not included with a PVA purchase. Minimum requirements and recommendations are given below.