The actual grid code requirements for the grid connection of distributed generation systems,
mainly wind and photovoltaic (PV) systems, are becoming very demanding. The …

The use of series capacitors is to reduce the voltage drop in the lines with low power factor
and improve the voltage at the receiving end particularly with low power factor loads. For …

The Transmission System Operators are specially concerned about the Low Voltage Ride
Through requirements of distributed generation power plants. Solutions based on the …

The actual grid code requirements include specific demands for grid connected wind power
generation facilities. The Transmission System Operators are specially concerned about the …

Synchronization with the grid voltage is critical in the control of grid-connected power
converters. Under unbalanced grid condition, the conventional synchronous reference frame …

This paper presents a grid synchronization structure for three-phase electric power systems
based on the use of a filtered quadrature signal generator (FQSG) and a phase-locked loop …

To overcome the defective and inaccurate power supply conditions, by installing STATCOMs
and dynamic voltage regulators, and advanced controlling facilities for the power converts of …

In this paper, a review of Phase Locked Loop (PLL) algorithms, is proposed methodology is
based on voltagerepresentation in a three coordinates: natural (abc), stationary (αβ) and …

The distributed power generation networks and smart grids are characterised by a high
penetration of renewable energies. For purposes of improving the power quality of the …