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June 4, 2026EnergiesOpen Access

Energy Stability Strategy for Photovoltaic DC Energy Systems Using Supercapacitor-Based Ride-Through Control and Required Capacity Sizing

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Authors

YWYoung Je WonSSSung-Yong SonJSJin Geun Shon

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Overview

Randomized trial implements supercapacitor control to improve voltage stability in photovoltaic systems, suggesting enhanced reliability.

Key Points

  • The aim is to develop a stability strategy for standalone photovoltaic DC energy systems to maintain bus voltage during load variations.
  • Proposes an energy stability strategy utilizing supercapacitor-based ride-through control.
  • Calculates required capacity sizing for supercapacitors based on expected power deficit and voltage drop.
  • Conducts simulations with step changes in load resistance to evaluate performance.
  • Simulation results demonstrate that the supercapacitor maintains DC-bus voltage close to the reference value during disturbances.
  • Hardware experiments confirm the effectiveness of the ride-through operation.
  • Comparison of predicted and measured compensation times shows good agreement.

Cite This Study

Won et al. (2026) studied this question.

synapsesocial.com/papers/6a2117dfd499ed480b170ac4https://doi.org/10.3390/en19112676
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