Scholarlink

Stability is a big problem in DC MGs caused by constant power loads (CPLs). This paper represents a novel parallel RC damping method to mitigate the stability problem of the DC microgrid (MGs). This topology is implemented in the solar PV cascaded with a boost converter attached to the CPL. Due to the CPL negative incremental impedance occurs, creating the stability problem in the DC MGs. There is another problem in solar PV systems: low and high penetration creates voltage oscillation, and a high crossover frequency occurs. To overcome this issue to enhance the stability and damping but mitigate the voltage oscillation and crossover frequency in the PV system through the proposed parallel RC damper controller. The simulation results are analyzed, and the effectiveness of the proposed topology is verified with MATLAB Simulink.

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Enhancement of Damping and Stability of a DC Microgrid with Constant Power Load Using Parallel RC Damper

  • 会议论文

  • 发表日期：

    2025年

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  • Mukh Raj Yadav,
  • Navdeep Singh,
  • Sandeep Gupta

摘要

Stability is a big problem in DC MGs caused by constant power loads (CPLs). This paper represents a novel parallel RC damping method to mitigate the stability problem of the DC microgrid (MGs). This topology is implemented in the solar PV cascaded with a boost converter attached to the CPL. Due to the CPL negative incremental impedance occurs, creating the stability problem in the DC MGs. There is another problem in solar PV systems: low and high penetration creates voltage oscillation, and a high crossover frequency occurs. To overcome this issue to enhance the stability and damping but mitigate the voltage oscillation and crossover frequency in the PV system through the proposed parallel RC damper controller. The simulation results are analyzed, and the effectiveness of the proposed topology is verified with MATLAB Simulink.