Demonstration of a simple power-flow analysis of a PV Plant using OpenDSS and Typhoon HIL real-time co-simulation. Simulation of a distance protection relay connecting two grids with fault injection. Demonstration of the use of Artificial Neural Networks (ANNs) in a. Vattenkraft är en förnybar energikälla där grundidén är att omvandla energin från de forsande vattenmängderna till elektrisk energi. Fenomenet kallas elektromagnetisk induktion, vilket uppstår i generatorer. Generatorerna bör skyddas mot farosituationer som kan uppstå genom bland annat. This paper presents the modeling and simulation of digital reverse power relay on MATLAB/Simulink®. Ville Mäkikyrö, VEO Oy Examinator: Prof. Margareta Björklund-Sänkiaho Energy Technology, Vasa Study programme in Chemical Engineering Faculty. MATLAB -based simulation technology can support the analysis and design of relay protection systems. As an example, the power system fault simulation, zero-sequence current protection simulation and transformer differential. Our product, the RTDS Simulator, runs electromagnetic transient (EMT) simulations of the power system in real time. Real-time EMT simulations enable highly efficient, detailed studies of the power system, allowing engineers to anticipate system and device behaviors that threaten the stability. RelaySimTest is a software solution for system-based protection testing with OMICRON test sets.