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Although there currently exists a wide range of voltage regulators that are commercially available, the search for devices with a simpler physical design remains the focus of research studies. Following this line, an electromagnetic voltage regulator (EVR) arrangement has been proposed. The EVR is constituted of an autotransformer that supplies, via discrete taps, a series transformer that injects voltage for regulating the feeder voltage. Even though its operating principle is shown as being similar to that of other devices on the market, the physical arrangement and operating strategy of EVR show novelties which result in properties such as: economic attractiveness, constructive simplicity, and operational reliability. Moreover, when installing voltage regulators, efficacy studies must be carried out to optimize equipment design. In this context, this paper aims at evaluating the factors that influence the effectiveness of the EVR in restoring voltage variations according to the determinations imposed by regulatory agencies. The ultimate goal of this study is to determine the voltage deviation range that the EVR is able to restore. To achieve this goal, a mathematical modeling of the EVR is given and study cases are computationally carried out to investigate its performance when connected to a typical distribution feeder.
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Rocznik
Tom
Strony
12--17
Opis fizyczny
Bibliogr. 15 poz., rys., tab.
Twórcy
- Faculty of Electrical Engineering, Federal University of Uberlandia, Uberlandia, Brazil
autor
- Faculty of Electrical Engineering, Federal University of Uberlandia, Uberlandia, Brazil
autor
- Electrical Engineering Department, Federal University of Mato Grosso, Cuiaba, Brazil
Bibliografia
- [1] M.H. Bollen, Understanding Power Quality Problems: Voltage Sags and Interruptions. Punta Gorda: Wiley-IEEE Press, 1999.
- [2] ANEEL, “Procedimentos de Distribuiçâo de Energía Elétrica no Sistema Elétrico Nacional - PRODIST - Módulo 8,” 2018.
- [3] T.V. Da Silva, “Uma proposta para o controle eletrônico de reguladores eletromagnéticos através do reforço série de tensâo,” M.S. thesis, Universidade Federal de Uberlândia, 2012.
- [4] S. Haffner, L.A. Pereira, L.V. Gasperin, and L. Barreto, “Alocaçâo de bancos de capacitores em redes de distribuiçâo de energia visando eliminar violaçôes de tensâo,” Control. Automaçao, vol. 20, no. 4, pp. 546-563, 2009.
- [5] F.O. Igbinovia, G. Fandi, Z. Muller, J. Svec, and J. Tlusty, “Optimal location of the synchronous condenser in electric-power system networks,” Proc. - 2016 17th Int. Sci. Conf. Electr. Power Eng. (EPE), 2016.
- [6] K.R. Padiyar, FACTS controllers in power transmission and distribution. New Delhi: New age International (P) Limited, Publishers, 2007.
- [7] H. Zhou, X. Yan, and G. Liu, “A review on voltage control using on-load voltage transformer for the power grid,” IOP Conf. Ser. Earth Environ. Sci., vol. 252, no. 3, 2019.
- [8] L.A. Kojovic, “Modern techniques to study voltage regulator - DG interactions in distribution systems,” 2008 IEEE/PES Transm. Distrib. Conf. Expo., pp. 1-6, 2008.
- [9] S.A. Taher, H.T. Fard, and E.B. Kashani, “New switching approach for DVR using one cycle control method,” Ain Shams Eng. J., vol. 9, no. 4, pp. 2227-2254, 2018.
- [10] P.R.P. Sarathy, “Analysis and optimization of medium voltage - line voltage regulator,” M.S. thesis, Norwegian University of Science and Technology Department, 2018.
- [11] F.P. Santilio, “Proposta, modelagem e validaçâo de uma nova concepçâo de regulador eletromagnético através do reforço série de tensâo,” Ph.D. dissertation, Universidade Federal de Uberlândia, 2013.
- [12] L.E. Vasconcelos, “Modelagem no dominio da frequência de um regulador eletromagnético de tensâo baseado na compensaçâo série,” M.S. thesis, Universidade Federal de Uberlândia, 2014.
- [13] G. Ram, V. Prasanth, P. Bauer, and E.M. Barthlein, “Comparative analysis of on-load tap changing (OLTC) transformer topologies,” 2014 16th Int. Power Electron. Motion Control Conf. Expo., pp. 918-923, 2014.
- [14] M. Carlen et al., “Line voltage regulator for voltage adjustment in MV-Grids,” CIRED 23rdInt. Conf. Electr. Distrib., 2015.
- [15] G. Leci and F. Cornelius, “Increasing grid capacity to connect renewable energies,” CIGRE, pp. 1-9, 2016.
Uwagi
Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-17e75765-859e-4839-915c-a6a0c634cfdb