Conference Papers

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Author: search.filters.author.Navada, H.G.Has files: No

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    Design and implementation of a laboratory scale three-phase thyristor controlled reactor
    (Institute of Electrical and Electronics Engineers Inc., 2017) Abhyankar, B.G.; Shubhanga, K.N.; Navada, H.G.
    This paper presents design, implementation and analysis of a laboratory scale three-phase thyristor controlled reactor (TCR). The performance of the TCR is demonstrated through many case studies for different connections of the TCR branches. A detailed harmonic analysis is carried out to understand the harmonic behaviour of the setup. The fundamental reactance characteristics of the TCR is also obtained experimentally and compared with ideal characteristics. A simulation model is developed using 'MATLAB' to verify the oscilloscope captured-waveforms. This setup is found to be a good learning resource for introducing variable reactance nature of a TCR. © 2017 IEEE.
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    Large Power System Stability Analysis Using a FOSS-based tool: SciLab/Xcos
    (Institute of Electrical and Electronics Engineers Inc., 2018) Singh, V.; Navada, H.G.; Shubhanga, K.N.
    This paper describes the usage of an open-source tool namely Scilab-package for development of a multi-machine small-signal stability programme. It is shown that the package has enough computational capabilities to carry out large power system analysis. Analytical and time-domain simulation results obtained for a well-known 4-machine, 10-bus, 10-machine, 39-bus and 50-machine, l45-bus power systems demonstrate that Scilab/Xcos can be an alternate open-source tool to conventional proprietary software. © 2018 IEEE.
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    Power Flow Analysis of Power Distribution System Integrated with Solar Photovoltaic Based Distributed Generation
    (Institute of Electrical and Electronics Engineers Inc., 2022) Saw, S.K.; Navada, H.G.; Shubhanga, K.N.
    In this paper, a Power Flow (PF) algorithm for a Power Distribution System (DS) derived from the conventional backward-forward sweep method is simulated with the integration of Solar Photovoltaic (SPV) based distributed generation. This integration algorithm is based on the load current injection, where the SPV generation is modeled as a negative load injection at one of the nodes of the DS. In this method, the PF solution is obtained by executing both the sweeps in a single step through a Load Current to Bus Voltage (LCBV) matrix. The SPV system is integrated considering an additional inverter node connected to one of the nodes of DS through the SPV interfacing elements. Based on the control specification at the inverter node, it may operate either in PV or PQ mode. The SPV inverter node voltage is computed using an alternate-iterative method in a separate algorithm. The effectiveness of the modified PF algorithm is verified on the balanced DS, considering diverse test systems (IEEE-33 node, IEEE-69 node DS). The qualitative aspects of the algorithm are analyzed and compared with the existing conventional technique. © 2022 IEEE.