A First Approach on the Impact of Distributed Generation and network topology on Studies of Voltage Sags A. C. L. Ramos, A. J. Batista, R. C. Leborgne, E. G. Domingues, W. P. Calixto 2018/04/20

Abstract

An analysis of the distributed generation (DG) and network topology impact on studies of voltage sags caused by system faults is presented. The simulation of 62 case studies of phase-to-ground faults on 13.8, 69, 138 and 230 kV transmission lines were performed and the voltage of a 380 V sensitive industrial busbar client was monitored. These lines are part of the electrical system of the city of Goiania, Brazil. For each case study, different fault positions were simulated by considering different DG levels connected to the consumer busbar. Long-term simulation scenarios were obtained by the Monte Carlo method and analyzed based on their cumulative distribution functions and probability density curves of voltage sags. This is one major contribution of this work.

Authors and affiliations

A. C. L. Ramos(1,4), A. J. Batista(2), R. C. Leborgne(3), E. G. Domingues(4), W. P. Calixto(4).
1. CELG Generation and Transmission S.A., Brazil
2. School of Electrical and Computer Engineering, Federal University of Goias, Brazil
3. Department of Electrical Engineering, Federal University of Rio Grande do Sul. Brazil
4. Nucleus of Studies Experimental and Technological, Electrotechnical Department - Federal Institute of Goias, Brazil

Key words

Power quality, voltage sags, distributed generation, Monte Carlo method, Network Topology.

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