The power system is undergoing transformations in terms of integration of large-scale renewable sources as well as shift in modes for source of transportation sector from conventional to electrical energy-based system. In recent years, the enhanced visibility offered by Phasor Measurement Units (PMUs) has facilitated the detection of forced oscillations within power systems. These oscillations are caused and sustained by periodic inputs, which may stem from a variety of sources, including mechanical problems in generators, faulty control systems, or external disturbances. Forced oscillations be detrimental affecting the stability and reliability of power systems, potentially causing inefficiencies and even leading to outages. The challenges posed by forced oscillation in the system might increase owing to the inherent intermittent nature of the renewable sources as their integration also leads to reduction in synchronous inertia of the grid. In this paper, a generalized framework is proposed for the scenario generation for forced oscillations present in the power system. The modified Kundur two-area system has been taken as a case study for demonstrating the proposed method.

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A Generalized Framework for Scenario Generation of Forced Oscillations in Power System

  • Niritishay Gupta,
  • Devesh Shukla,
  • R. Sunitha,
  • Allen Solly P. Babu

摘要

The power system is undergoing transformations in terms of integration of large-scale renewable sources as well as shift in modes for source of transportation sector from conventional to electrical energy-based system. In recent years, the enhanced visibility offered by Phasor Measurement Units (PMUs) has facilitated the detection of forced oscillations within power systems. These oscillations are caused and sustained by periodic inputs, which may stem from a variety of sources, including mechanical problems in generators, faulty control systems, or external disturbances. Forced oscillations be detrimental affecting the stability and reliability of power systems, potentially causing inefficiencies and even leading to outages. The challenges posed by forced oscillation in the system might increase owing to the inherent intermittent nature of the renewable sources as their integration also leads to reduction in synchronous inertia of the grid. In this paper, a generalized framework is proposed for the scenario generation for forced oscillations present in the power system. The modified Kundur two-area system has been taken as a case study for demonstrating the proposed method.