Smart Grid applications for improved Power System Control

The paper is aiming at implementation of new methods and technologies called Smart Grids in Power Systems Control. Among such new methods and technologies, let us mention e.g., synchronous Phasor Measurements Units (PMU) and their local and/or global applications. PMU are basic units of Wide Area Monitoring System (WAMS), and Wide Area Protection and Control System (WAMPaC). The effective way of validation and verification of Smart Grids functionalities is to use Modelling and Simulation of Power Systems that can be divided into two categories: Engineering Simulators (ES) and Dispatch Training Simulators (DTS). The testing of Electronic devices, Control systems, Protections, PMU and local automata can be realized in “HW–in–the–Loop” methods with help of Real Time Digital Simulator (RTDS). One of possible applications – Sequence Impedance Calculations for Lines – is described in this paper.