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  • Research Article   
  • Innov Ener Res 2020,

Small-Signal Stability Analysis with Wind Power Penetration in the INPS Network

Ram Prasad Pandey1* and Samundra Gurung2
1Department of Electrical Engineering Pulchowk Campus, Institute of Engineering, Tribhuvan University, Lalitpur, Nepal
2Department of Electrical Engineering King Mongkut’s University of Technology Thonburi (KMUTT), Bangkok, Thailand
*Corresponding Author : Ram Prasad Pandey, Electrical Engineering Pulchowk Campus, Institute of Engineering, Tribhuvan University, Lalitpur, Nepal, Email: ramprajwol@pcampus.edu.np

Received Date: Aug 05, 2020 / Accepted Date: Sep 16, 2020 / Published Date: Sep 28, 2020

Abstract

The electric power system continuously faces the problem of low frequency oscillatory stability due to lightly loaded synchronous generators connected to weak grid, variable loads and overloaded tie lines. This paper examines the problem of power system oscillation in the Integrated Nepal Power System (INPS). Furthermore, the potential effect of integration of wind turbine generation is also studied. The points for wind power injection are chosen suitably. The eigenvalue analysis is then run to identify the critical modes of oscillation as well as the participation factor which helps to identify the potential problematic area in INPS with respect to small-signal stability. Moreover, the transient stability is analyzed with the help of time domain analysis. Our study results depict that the integration of doubly fed induction generator (DFIG) has both beneficial and detrimental effects in INPS. All the simulation results are analyzed and validated using the Power System Analysis Toolbox (PSAT).

Keywords: Small-signal stability; Synchronous generator; Wind power penetration; Integrated Nepal power system (INPS)

Citation: Pandey RP, Gurung S (2020) Small-Signal Stability Analysis with Wind Power Penetration in the INPS Network . Innov Ener Res 9: 238

Copyright: © 2020 Pandey RP, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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