Purpose By means of the massive environmental and financial reimbursements, wind turbine (WT) has turned out to be a satisfactory substitute for the production of electricity by nuclear or fossil power plants. Numerous research studies are nowadays concerning the scheme to develop the...

Constant power loads (CPLs), interfaced through active rectifiers can be used for improving the stability of induction generator (IG)-based wind turbines under balanced grid voltage dips by providing the reactive power. Under asymmetrical grid faults, the negative sequence voltage produces...

The use of kinetic energy, stored in the rotational masses of Variable Speed Wind Turbines (VSWT), for inertial support is well established. The idea is to employ the fast control response of the VSWT to inject additional power for the short duration following the disturbance. However, the...

Considering the rapid growth of wind turbines applications in power systems, the dynamic behavior of wind turbines, especially the subsynchronous resonance (SSR) is of interest to researchers. This paper presents an overview of subsynchronous resonance issues in wind turbines including, analysis...

The paper discusses simulated control cases of the wound rotor self-excited induction generator WRSEIG. The generator external controller is designed to regulate the output voltage and frequency for constant or variable speed operation of the prime mover and has the inherent capability of...

The renewable sources of energy are being connected to the local distribution system/local grid leading to embedded generation. As these sources are intermittent in nature, they impose technical challenges in the power system operation which include power quality related problems of local grid....

This paper concentrates on the fault ride-through capability of doubly fed induction generator (DFIG) wind turbines. The main attention in the paper is, therefore, drawn to the control of the DFIG wind turbine and of its power converter and to the ability to protect itself without disconnection...

The paper approaches the half-century history and the main research results of the academic staff and researchers from “Politehnica” University of Timisoara (Universitatea “Politehnica” Timisoara—UPT) and their collaboration with the academic, research and production environment...