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Fault ride through (FRT) capability is one of the challenges faced in the medium to high voltage large-scale grid-tied photovoltaic power plants (PVPPs). Besides that, due to the high penetration of installed distributed generation (DG) units, the grid voltage enhancement under unbalanced faults is a requirement of several standards and grid codes. The controller of the grid-connected inverter consists...
The current work focuses on two specific issues concerning grid-connected solar PV units, i.e. the fault ride-through capability, also called low voltage ride-through capability, and the voltage support function through reactive power injection during faults. With the first one the PV unit can actually provide some limited grid support, whereas with a defined reactive power characteristic it can give...
Future ancillary services provided by photovoltaic (PV) systems could facilitate their penetration in power systems. In addition, low-power PV systems can be designed to improve the power quality. This paper presents a single-phase PV system that provides grid voltage support and compensation of harmonic distortion at the point of common coupling thanks to a repetitive controller. The power provided...
One of the solutions to meet the growing load demand in rural and remote areas is to introduce distributed generation (DG) within the existing network. With different types of power generation available at present, it is believed that some designs contribute significantly to a network's power quality (PQ). Standards and guidelines pertaining to PQ are one of the criteria that limits the level of DG...
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