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Airport microgrid control using integral-of-absolute-error having high renewable penetration.

Sameer Singh1, V P Singh1, A Mathur1

  • 1Electrical Engineering Department, Malaviya National Institute of Technology, Jaipur, 302017, Rajasthan, India.

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|July 2, 2025
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Summary
This summary is machine-generated.

This study introduces a PID controller designed using integral absolute error (IAE) to manage frequency deviations in airport microgrids. The IAE-driven PID controller demonstrates superior performance in maintaining grid stability compared to the integral time absolute error (ITAE) method.

Keywords:
Airport microgridError indexFrequency stabilityPID Controller

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Area of Science:

  • Electrical Engineering
  • Renewable Energy Systems
  • Control Systems

Background:

  • Growing reliance on renewable energy sources in microgrids presents operational challenges.
  • The integration of renewables increases frequency deviation due to their stochastic nature and load disturbances.
  • Maintaining frequency stability is critical for the reliable operation of airport microgrids.

Purpose of the Study:

  • To design and validate a Proportional-Integral-Derivative (PID) controller for minimizing frequency deviation in airport microgrids.
  • To assess the effectiveness of the integral absolute error (IAE) criterion in PID controller design for frequency stability.
  • To compare the performance of IAE-based PID control with integral time absolute error (ITAE)-based PID control.

Main Methods:

  • Modeling the airport microgrid system and deriving its overall transfer function.
  • Approximating the system model to a first-order plus delay time (FOPDT) model for simplified analysis.
  • Designing a PID controller using the integral absolute error (IAE) minimization criterion.
  • Conducting comparative analysis with an integral time absolute error (ITAE) criterion and evaluating controller effort.

Main Results:

  • The developed PID controller effectively manages frequency deviations in the airport microgrid.
  • The IAE-driven PID controller significantly outperforms the ITAE-driven PID controller in maintaining frequency stability.
  • Analysis shows reduced frequency deviation and validated controller effort with the proposed IAE-PID controller.

Conclusions:

  • The PID controller designed with the IAE criterion is superior for enhancing frequency stability in airport microgrids.
  • The study validates the effectiveness of IAE as a design criterion for PID controllers in renewable energy systems.
  • The proposed control strategy offers a robust solution for managing operational challenges in microgrids with high renewable penetration.