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Starting the Commissioning Test
153378
3–5
Confirm Power Tracker Configuration Operational Parameters
1. Verify the inverter’s Power Tracker Configuration.
2. Make any necessary changes.
3. Record these values.
Apply DC Voltage
1. Verify both GT100 Inverter Enclosure doors are closed and locked.
2. Close the DC Disconnect (S1) Switch. This will energize the DC circuits.
3. Look, listen and smell for signs of defects.
4. Record any defects found.
Matrix Test
1. Confirm that the
O
N
/O
FF
Switch (S3) in the
O
FF
position.
2. From the front panel, select Matrix test from the Goal State menu.
3. Verify that the GT100 enters the Matrix Test mode.
4. In this mode, the GT100 will be operating the IGBT Matrix without closing
either the AC or DC contactors.
If a fault occurs, refer to the Matrix Gate Faults listed on page 4–5 of the
Troubleshooting section.
5. To stop the test, select Goal state from the GUI or Front Panel and
choose Shutdown.
Operate Inverter
1. Make sure all doors are closed and locked.
2. Using the Front Panel or the GUI, set the I PPT Max percent to 25%.
3. Place the
O
N
/O
FF
Switch in the
O
N
position. If the PV voltage is above PV
Start voltage threshold, followed by a 5-minute delay period, the PV
contactors (K2) will close, followed by the Main AC contactor (K1). The
inverter will begin to produce power up to 25% of rated power.
4. Look, listen and smell for any defects.
5. Make sure the internal enclosure fans are operating.
6. If everything is okay, increase the I PPT Max until you reach 100%.
7. Check all the operating data with the GUI or front panel. Record any
irregularities.
8. Let the inverter run.
9. Verify the matrix fans operate after the matrix temperature reaches at least
30°C, and the "INV kW" is at least 30 kW.
Summary of Contents for GT100-208
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