Abstract
The Power Oscillation Damping (POD) function is for damping out oscillations. As many photovoltaic (PV) plants are installed, the POD function can be applied to a PV plant converter. In this study, the POD function was implemented on a PV plant. The stabilizing signals from the POD function were connected directly to an active power controller to damp out low frequency oscillations. A lead-lag compensator is the main structure for the POD function which adjusts the phase of the system frequency. The result of the simulation shows that the proposed POD function gives better results than the former POD functions, which send stabilizing signals through the voltage controller. There is direct adjustment of active power, and this does not affect system voltage which is an advantage of the proposed POD function.
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