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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.
Scientific Reports
|July 2, 2025
Summary
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.
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.
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