Optimal Load Frequency Control of Island Microgrids via a PID Controller in the Presence of Wind Turbine and PV

Alayi, Reza; Zishan, Farhad; Seyednouri, Seyed Reza; Kumar, Ravinder; Ahmadi, Mohammad Hossein; Sharifpur, Mohsen

doi:10.3390/su131910728

Cited by 62 publications

(46 citation statements)

References 38 publications

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“…The suggested control technique is tested on a two-region power system that includes a thermal reheat system in one area and a PV plant with maximum power point tracking (MPPT) [23], [26], [32] in the other. Previous research [23], [27] used a two-area power scheme similar to the used in the present article.…”

Section: System Under Studymentioning

confidence: 99%

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Frequency Regulation of Interconnected Power System Using Black Widow Optimization

Dahiya

Saha

2022

IEEE Access

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A frequency regulation of interconnected power system comprising thermal reheat system and photovoltaic panel systems is disclosed in this research article with Proportional Integral Derivative (PID) controller optimized using Black Widow Optimization Algorithm (BWOA) based on distinct feature of cannibalism of Black Widow Spiders (BWS). With rising demand for perfectly optimized power systems, a best optimal solution for controller gains besides merit of faster convergence and avoidance of trapping in local minimal are becoming key requirements for system engineers. In tune with these requirements, we have developed an optimized solution based on BWOA in the power system realm to minimize the fitness function which is Integral Time Absolute Error composing of frequency and tie-line power variations. Superiority of BWOA optimized controller in power system realm is established by comparing and analyzing its simulation results with some other known tuned controllers which uses different optimization algorithms namely firefly algorithm, genetic algorithm, whale optimization algorithm and modified whale optimization algorithm. Results in this paper lays out that BWOA optimized PID controller outperforms other reported controllers in terms of fitness function value, settling time, undershoot/overshoot of the incremental variations in frequency and tie-line power of the interconnected power system. Further, the potency and robustness of the proposed tuned controller are also proven by considering large variation in load demand, real-time constraints namely generation rate constraint and governor dead band in the system. Additionally, the sensitivity analysis of the optimized controlled system is performed to conclude that the proposed BWOA optimized PID controller optimized controller is insensitive to changes in system parameters and eliminates the necessity of resetting of controller parameters. The performance of the proposed control technique is also tested on two-area non-reheat thermal power system with non-linear constraints namely time delay, generation rate constraint and governor deadband.

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Section: System Under Studymentioning

confidence: 99%

“…The u1 and u2 represents the controller outputs of area 1 and area-2 respectively in the transfer function block diagram. The transfer function, Gcn, of PID control [32] of n th area is given as equation ( 1) and expressed as:…”

Section: Simulation Model Of System Under Investigation [23 27]mentioning

confidence: 99%

Frequency Regulation of Interconnected Power System Using Black Widow Optimization

Dahiya

Saha

2022

IEEE Access

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“…Nowadays, the importance of using clean energy and replacing it with fossil fuels is not covered as a basic solution for protecting the environment. Also, the advantages of consuming solar energy as a clean energy source, especially in Iran, are clear [1,2]. A simple technology that uses solar energy to generate electricity is the solar chimney power plant.…”

Section: Introductionmentioning

confidence: 99%

Modeling the Thermal Performance for Different Types of Solar Chimney Power Plants

2022

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Nowadays, due to restrictions on fossil fuels, the use of renewable energies is increasing day by day. Among renewable energies, solar energy has received more attraction due to its availability in all places. Among solar energy technologies, the solar tower has been welcomed due to its high power generation of electrical energy. For accurate modeling of the studied system, each component of the system has been evaluated and modeling has been done. Therefore, in this research, solar tower modeling has been conducted to achieve high electrical energy production, and to better compare the production rate, 5 cities in Iran with different weather conditions have been considered. According to the results, it can be mentioned that the highest production power by the studied system is related to Shiraz city with an average production of 20 kW/m2, and among the cities studied, the lowest rate is related to Mashhad with a production power of 15 kW/m2.

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“…Island mode means a mode of operation when a Microgrid with a self-generation station which generally operates in grid-connected mode is disconnected from How to cite this paper: Francis, E.K., Omari, A.M. and John, J.P. ( 2022 the utility grid at the Point of Common Coupling. Unplanned islanding happens when a grid connected microgrid electrically unintentionally disconnects from the main grid, however the isolated part continues to be energized through the microgrid self-generation stations [1]. The main objective of distributed generation is to supply reliable and quality energy to people residing distant away from the utility grid [2].…”

Section: Introductionmentioning

confidence: 99%

Modelling and Simulation of Performance of the Microgrid Frequency Stability Control during Unplanned Islanding: The Case Study of Mwenga Hydropower

Francis¹,

Omari²,

John³

2022

SGRE

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A grid connected microgrid connects to the grid at a point of common coupling. Due to the great inertia of the grid which accelerates and decelerates the generator when its frequency tends to deviate, the grid connected microgrid operates at a frequency of the infinity bus. Frequency instability is one of the major challenges facing the grid connected microgrid during islanding. The power demand variation causes the variation in rotor speed, resulting to frequency deviation. Frequency can be brought back to standard by varying the power generation to match with the varying load. The performance of the frequency stability control system at Mwenga hydroelectric microgrid has been studied. Through site visitation, the power demand and generation status data were collected and analysed for model preparation. The results of the study indicate that, during islanding, the Mwenga rural electrification project is observed to be subjected to power imbalance which leads to frequency instability. Although the frequency control system tries to keep the system at a nominal frequency by maintaining the continuous balance between generation and varying load demand, however the system still operates with large magnitude of overshoot, undershoot and longer settling time.

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Optimal Load Frequency Control of Island Microgrids via a PID Controller in the Presence of Wind Turbine and PV

Cited by 62 publications

References 38 publications

Frequency Regulation of Interconnected Power System Using Black Widow Optimization

Frequency Regulation of Interconnected Power System Using Black Widow Optimization

Modeling the Thermal Performance for Different Types of Solar Chimney Power Plants

Modelling and Simulation of Performance of the Microgrid Frequency Stability Control during Unplanned Islanding: The Case Study of Mwenga Hydropower

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