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This paper investigates the voltage fluctuations determined by industry perturbing loads in a power system, with and without a STATCOM device in operation. The monitoring campaign was carried on by simultaneously measuring the voltage fluctuations in various points of the supplying power system, for revealing each perturbing customer contribution, and the background flicker. During the measuring campaign,...
This paper compares three possibilities for determining the flicker level generated by industrial customer with arc furnaces: by calculating the electromagnetic perturbations, by experimental measurements, and by simulation using specialized software. The influence of the fault level on the propagation of perturbation in the power system represents a challenging issue studied within the existing context...
This paper presents results of power quality monitoring collected from transmission system operator (TSO) and several distribution system operators (DSOs) from Romania. The power quality monitoring system is realized in accordance with actual technologies, economic criteria, performance standards and technical codes issued by the Romanian Energy Regulation Authority (ANRE). The implementation of power...
In the last years, the conducted studies for connecting renewable energy sources with small installed capacity to the electrical grid highlighted the importance of the grid characteristics and on the technical conditions required for the equipments. The operation of wind farms in the electrical system is restricted by its capacity to absorb the produced power and to ensure the required adequacy. The...
The present paper deals with the case study of an existing ac arc furnace facility. A field measuring campaign was carried out for an industrial consumer. One of the many aspects of power quality that can affect electricity users is voltage fluctuation that causes lights to flicker. The main power quality indices regarding flicker levels are reported in the paper with reference to the current standards.
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