Experimental Implementation of the PV Source Emulator

The principle block diagram of the PV emulator is represented in Fig. 8.31.

It encompasses the DC/DC buck converter and a control board, whose inputs are the converter output voltage and current and whose output is the control signal of the buck converter.

The control board implements both the PV model and the control algorithm. On the basis of the output current, the PV model calculates the reference voltage which is compared with the actual output voltage of the DC/DC converter.

The error signal is processed by the controller that outputs the command for the switching device.

In the following subsections, the experimental set-up of the whole PV emulator equipment is described in detail.

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