Browsing by Author "Girisha Navada, G.H."

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    Integrated Power Flow Analysis with Large-scale Solar Photovoltaic Power Systems Employing N-R Method
    (De Gruyter peter.golla@degruyter.com, 2019) Girisha Navada, G.H.; Shubhanga, K.N.
    A method is proposed to modify the conventional load flow programme to accommodate large-scale Solar PhotoVoltaics (SPV) power plant with series power specifications. The programme facilitates easy handling of any number of SPV systems with standard control strategies such as pf-control and voltage-control, considering solar inverter's power constraints. In this method, the non-linear equations related to SPV systems, located at multiple locations, are solved with the main load flow equations in an integrated fashion, considerably reducing the implementation task. This task is achieved by augmenting the inverter buses to the existing power system network in such a way that the changes required in the conventional programme are minimal. To show the effectiveness of the proposed method, it is compared with the alternate-iteration method popularly followed in the literature. The workability of the proposed method has been demonstrated by using a Single Machine Infinite Bus (SMIB) system and the IEEE14-bus power system with SPV systems. Various test cases pertaining to meteorological variables and control strategies are also presented. © 2019 Walter de Gruyter GmbH, Berlin/Boston 2019.