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SMFT-1000
Users Manual
24
4. Push
to start the V
OC
measurement.
The V
OC
measurement shows on the display. If the PV model is selected and the Irradiance
Meter is connected, the Pass/Fail icons show on the display. The Measure V
OC
instructions
are grayed-out with a checkmark to indicate that the measurement is done. The Measure
Operational Current instructions become enabled/brighter.
5. Connect the Clamp and make sure the current flow/polarity matches with the arrow on the
Clamp.
Tip: Push
to see a connection diagram.
6. Push
to start the Operational Current measurement.
Power AC/DC and Function Tests
Tests the power output from the PV system to make sure that the dc power produced by the
panels is inverted properly into ac power as required by IEC 62446-1 Clause 6.6.
Single Phase Inverter Performance Check
Measure the dc power, then ac power, then compare efficiency.
To make a dc measurement:
1. Turn the rotary switch on the PV Analyzer to FUNC./P
AC/DC
.
The display shows power in the blank state and is ready to compare the dc and ac
measurements.
2. Push
to set the Efficiency Factor Limit.
3. Connect the PV string to the inverter and switch the system to on and normal operation
mode (the inverter has to be at maximum power point).
4. Connect the red test lead in parallel to the positive connector of the PV string and the blue
test lead in parallel to the negative connector of the PV string to the solar panel.
5. Connect the Clamp and make sure the current flow/polarity matches with the arrow on the
Clamp.
Tip: Push
to see a connection diagram.
6. Push
.
7. Push
to hold the dc measurements.
The blue column header indicates that the dc measurements are on hold.
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