Sequoia / Tahoe Series User Manual California Instruments
84 M447352-01 REV-A
8. Set the Sequoia current and phase shift from the front panel dashboard screen and enable the
output (make sure that UUT current limit is greater than the Sequoia current set value).
9. Measure the output current of each phase using a clamp meter and verify that the output current
of each phase remains within specifications for current program accuracy.
4.1.3.6 Basic Functional Test of eLoad – Power Programming Mode
A basic functional test of the Sequoia in eLoad Mode could be performed with the following steps:
1. Connect a UUT output to the Sequoia output connector.
2. Connect a DVM to the Sequoia output connector. Recommended equipment: DVM, Keysight
34461A.
3. With the AC mains verified as being off, make the AC input voltage connections to the Sequoia
input connector.
4. Turn on the AC mains, and then turn on the POWER switch on the Sequoia front panel.
5. Verify that the front panel display lights up. After several seconds the display should show the
DASHBOARD Screen Top-Level Menu or the Default screen; refer to Section 5.6 for the
description of menus.
6. Switch on the UUT and set the UUT to provide voltage 150V(RMS), frequency 60Hz.
7. Set the sync voltage, sync frequency, and sync phase to the Sequoia and perform synchronization
(refer to section 4.1.3.1).
8. Set the Sequoia active and reactive power from the front panel dashboard screen and enable the
output (make sure that UUT current limit is sufficient to load the net apparent power set in Sequoia)
9. Measure the output power of each phase using a power meter and verify that the output power of
each phase remains within specifications for power program accuracy.
4.1.3.7 Basic Functional Test of eLoad – Parallel RLC Programming Mode
A basic functional test of the Sequoia in eLoad Mode could be performed with the following steps:
1. Connect a UUT output to the Sequoia output connector.
2. Connect a DVM to the Sequoia output connector. Recommended equipment: DVM, Keysight
34461A.
3. With the AC mains verified as being off, make the AC input voltage connections to the Sequoia
input connector.
4. Turn on the AC mains, and then turn on the POWER switch on the Sequoia front panel.
5. Verify that the front panel display lights up. After several seconds the display should show the
DASHBOARD Screen Top-Level Menu or the Default screen; refer to Section 5.6 for the
description of menus.
6. Switch on the UUT and set the voltage to 150V(RMS) and frequency 60Hz.
7. Set the sync voltage, sync frequency, and sync phase to the sequoia unit and perform
synchronization (refer to section 4.1.3.1).
8. Make the Inductance and capacitance value to “NC, set the Resistance value through the front
panel dashboard screen, and press apply the button refer to the below image:
R = 150V / 50% of the Rated current
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