User Manual

Once one of these I-V curves has been selected and set from the front

panel, the power supply will operate in PV mode and output a voltage

and current value according to the active I-V profile and load conditions.

Different points on the I-V curve will be output in 1 ms intervals to test

the inverter’s MPPT efficiency. To create a user-defined table of I-V

points and simulate a change in irradiance conditions (e.g. cloudy or

rainy day), the PV supply must be controlled by the SAS software. The

SAS software also monitors and logs real-time voltage, current, and

power as well as real-time and average MPPT efficiency to validate the

inverter’s MPPT algorithm.

To configure and set the PVS power supply to PV mode from the front

panel, follow the steps below:

1. Press the button and press the button three times

until PV SIM is blinking, then press . The following display

will be shown:

2. Use the keys to move the cursor to the ON/OFF field

and use the rotary knob to select ON or OFF. ON means the PVS

supply is set to PV mode.

3. Use the keys to move the cursor to the CURVE field

and use the rotary knob to select the desired curve number. The

curve number can be 1-101 or TABLE (table of up to 4096 I-V

points.)