International Journal of Intelligent Systems and Applications (IJISA)
IJISA Vol. 9, No. 5, 8 May 2017
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Application of Passive CL Filters for Neutralizing of Zero Sequence Currents and Correction of Asymmetries of Phase Voltages in Electrical Networks
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Author(s)
Nenad A. Markovic
1,*
Slobodan N. Bjelic
2
Jeroslav M. Zivanic
3
Index Terms
Mathematical model, induction machine, correction, asymmetry, parameters, passive elements
Abstract
The stochastic character of asymmetrical loads in power networks emerged due to non-simultaneous activation of phases of various single-phase and poly-phase receivers, nonlinear characteristics of transformers and other reasons have caused the occurrence of currents and voltages of zero sequence. These electrical quantities with currents and voltages of direct sequence in a negative sense affect the asymmetry of phase voltages in networks on places where loads are connected. In this paper, the presented load is induction machine with coil connection in star connected to generic distribution system TN. We analyze the possibilities of simple CL structures of filter in the role of the device for correction of asymmetries to a network, which can be entered by zero sequence current occurred for some reason in induction machine (mostly non-simultaneous switching of phase coils of induction machine).
Cite This Paper
Nenad A. Marković, Slobodan N. Bjelić, Jeroslav M. Živanić,"Application of Passive CL Filters for Neutralizing of Zero Sequence Currents and Correction of Asymmetries of Phase Voltages in Electrical Networks", International Journal of Intelligent Systems and Applications(IJISA), Vol.9, No.5, pp.10-18, 2017. DOI:10.5815/ijisa.2017.05.02
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