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Improving Small Signal Microgrid Stability under Virtual Impedance Model–Using Modified Honey Bee Mating Optimization Algorithm
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Hamid Shahravi1   , Javad Olamaei *2 , Morteza Kheradmandi3 , Ali Sadr4 |
1- Department of Electrical engineering, South Tehran Branch, Islamic Azad university, Tehran, Iran
2- Department of Electrical engineering, South Tehran Branch, Islamic Azad university, Tehran, Iran , Javad.olamaei@iau.ac.ir
3- Faculty of Electrical Engineering, Shahid Beheshti University, Tehran, Iran
4- School of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran |
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Abstract: (532 Views) |
The aim of this paper is to monitor the performance of distributed generation (DG) units in a microgrid by considering the interfacing converters to ensure efficient power distribution within the microgrid. A microgrid model that integrates virtual impedances with a phase-locked loop (PLL) is introduced, followed by a novel method for small-signal stability analysis of the microgrid. A virtual impedance tuning strategy is developed using the Modified Honey Bee Mating Optimization (MHBMO) algorithm. Simulation was performed using MATLAB/Simulink software, and results demonstrated that the microgrid voltage and frequency remained within acceptable limits, and the microgrid stability index was significantly improved. |
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| Keywords: Small-signal stability, Virtual impedances, Modified Honey Bee Mating Optimization (MHBMO). |
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Full-Text [PDF 262 kb]
(283 Downloads)
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Type of Study: Research |
Subject:
Special
Received: 2025/02/20 | Accepted: 2025/05/17 | Published: 2025/05/31
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