Optimal Control of Islanded Micro grid Using Particle Swarm Optimization Algorithm

Microgrid is defined as a controllable unit which consists of Distributed Generations (DG), loads, energy storages and control devices. Microgrid has two operation modes including grid connected mode and islanding mode. In grid connected mode, voltage and frequency of microgrid is controlled by main...

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Main Author: Mehrdad Ahmadi Kamarposhti
Format: Article
Language:English
Published: University of Sistan and Baluchestan 2018-06-01
Series:International Journal of Industrial Electronics, Control and Optimization
Subjects:
Online Access:https://ieco.usb.ac.ir/article_3908_4d3d2b0e16d1a54629552b8c5e52cb1d.pdf
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author Mehrdad Ahmadi Kamarposhti
author_facet Mehrdad Ahmadi Kamarposhti
author_sort Mehrdad Ahmadi Kamarposhti
collection DOAJ
description Microgrid is defined as a controllable unit which consists of Distributed Generations (DG), loads, energy storages and control devices. Microgrid has two operation modes including grid connected mode and islanding mode. In grid connected mode, voltage and frequency of microgrid is controlled by main grid and DG’s supply total or part of the loads. In the islanding mode, the microgrid is disconnected from main grid because of a fault or a preplanned switching in connecting line. In this mode, DG’s should satisfy the power demand of sensitive loads in microgrid. Since the only generation units in an islanded microgrid are existing DG units which usually are from several types. Consequently besides feeding total loads, voltage and frequency of microgrid should be controlled by these DG units. Hence, the microgrid could supply high power quality and reliability to customers. This paper presents an optimization method to optimize the parameters of the Microgrid controller in islanding mode. The controller optimal parameters have been obtained by using the particle swarm optimization (PSO). This is done based on minimization of the error in the current and voltage controllers. Finally, simulation has been carried out to verify the effectiveness of the optimized controller. Stability analysis of the controller is verified using classical approach.
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spelling doaj.art-5137b1f3813b4dd3add86c54a9d1cb932022-12-22T02:35:41ZengUniversity of Sistan and BaluchestanInternational Journal of Industrial Electronics, Control and Optimization2645-35172645-35682018-06-0111536010.22111/ieco.2018.24354.10223908Optimal Control of Islanded Micro grid Using Particle Swarm Optimization AlgorithmMehrdad Ahmadi Kamarposhti0Department of Electrical Engineering, Jouybar Branch, Islamic Azad University, Jouybar, IranMicrogrid is defined as a controllable unit which consists of Distributed Generations (DG), loads, energy storages and control devices. Microgrid has two operation modes including grid connected mode and islanding mode. In grid connected mode, voltage and frequency of microgrid is controlled by main grid and DG’s supply total or part of the loads. In the islanding mode, the microgrid is disconnected from main grid because of a fault or a preplanned switching in connecting line. In this mode, DG’s should satisfy the power demand of sensitive loads in microgrid. Since the only generation units in an islanded microgrid are existing DG units which usually are from several types. Consequently besides feeding total loads, voltage and frequency of microgrid should be controlled by these DG units. Hence, the microgrid could supply high power quality and reliability to customers. This paper presents an optimization method to optimize the parameters of the Microgrid controller in islanding mode. The controller optimal parameters have been obtained by using the particle swarm optimization (PSO). This is done based on minimization of the error in the current and voltage controllers. Finally, simulation has been carried out to verify the effectiveness of the optimized controller. Stability analysis of the controller is verified using classical approach.https://ieco.usb.ac.ir/article_3908_4d3d2b0e16d1a54629552b8c5e52cb1d.pdfdistributed generationmicrogridislandingdroop controlpower sharing
spellingShingle Mehrdad Ahmadi Kamarposhti
Optimal Control of Islanded Micro grid Using Particle Swarm Optimization Algorithm
International Journal of Industrial Electronics, Control and Optimization
distributed generation
microgrid
islanding
droop control
power sharing
title Optimal Control of Islanded Micro grid Using Particle Swarm Optimization Algorithm
title_full Optimal Control of Islanded Micro grid Using Particle Swarm Optimization Algorithm
title_fullStr Optimal Control of Islanded Micro grid Using Particle Swarm Optimization Algorithm
title_full_unstemmed Optimal Control of Islanded Micro grid Using Particle Swarm Optimization Algorithm
title_short Optimal Control of Islanded Micro grid Using Particle Swarm Optimization Algorithm
title_sort optimal control of islanded micro grid using particle swarm optimization algorithm
topic distributed generation
microgrid
islanding
droop control
power sharing
url https://ieco.usb.ac.ir/article_3908_4d3d2b0e16d1a54629552b8c5e52cb1d.pdf
work_keys_str_mv AT mehrdadahmadikamarposhti optimalcontrolofislandedmicrogridusingparticleswarmoptimizationalgorithm