Optimal Sizing and Assessment of a Renewable Rich Standalone Hybrid Microgrid Considering Conventional Dispatch Methodologies

Ishraque, Md. Fatin; Shezan, Sk. A.; Rana, Md. Sohel; Muyeen, S. M.; Rahman, Akhlaqur; Paul, Liton Chandra; Islam, Md. Shafiul

doi:10.3390/su132212734

Cited by 19 publications

(9 citation statements)

References 45 publications

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“…The results show that this method is applicable to any location with the same demand characteristics and meteorological condition. 11 At present, the droop control method is widely used in hybrid microgrid interface converter, but this method lacks inertial characteristics and cannot keep the model running smoothly. VSG control method can simulate the rotor inertia characteristics of VSG through the control strategy of the interface converter.…”

Section: Related Workmentioning

confidence: 99%

Modeling and adaptive control strategy of hybrid microgrid based on virtual synchronous generator

2023

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Aiming at large system operation fluctuations caused by the technical control of virtual synchronous generators, this article studies the introduction of interface converter control power, builds a virtual synchronous generator (VSG)‐based hybrid microgrid model and adaptive control strategy. Finally it optimizes it with fuzzy logic to obtain an fuzzy logic controller (FLC) based adaptive VSG control strategy. The experimental results show that under the FLC‐based adaptive VSG control strategy, in the reverse current mode, the system regression time is 0.37 s, and the DC bus voltage is 6.5 V; In the rectification mode, the system regression time is 0.49 s, and the DC bus voltage is 2.1 V. The results obtained are faster than the traditional VSG control strategy, and the DC bus voltage is 42.48%–68.66% lower. In summary, the suggested control approach is effective and reliable under the two operation modes, which can make the system operate safely and stably.

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Section: Related Workmentioning

confidence: 99%

Modeling and adaptive control strategy of hybrid microgrid based on virtual synchronous generator

2023

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“…The stable frequency response of a microgrid is one of the core requirements for system stability. A frequency deviation within the limit of ±2% Hz of the rated frequency is tolerable [45]. Otherwise, the design needs to be calibrated to provide the frequency deviation within the tolerable limit.…”

Section: Frequency Responsesmentioning

confidence: 99%

Grid Connected Microgrid Optimization and Control for a Coastal Island in the Indian Ocean

et al. 2022

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For the suggested site in the Maldives, this research paper analyzes the possibility of a hybrid renewable microgrid that is dispatch strategy-governed in both off-grid and on-grid scenarios. The planned microgrid’s techno-environmental-economic-power-system responses have been assessed. Both the power system response study and the techno-environmental-economic study of the modelled microgrid were carried out using the software platforms DIgSILENT PowerFactory and HOMER Pro respectively. Cycle charging (CC) dispatch technique had the lowest performance for both on and off-grid modes, according to the research, with cost of energy (COE) of 0.135 and 0.213 dollars per kWh, and net present costs (NPC) of 132,906 and 147,058 dollars respectively. With an NPC of 113,137 dollars and a COE of 0.166 dollars/kWh, the generator order strategy operates optimally while in on-grid mode. On the other hand, load following operates at its finest in off-grid mode, with a COE of 0.024 dollars/kWh and a NPC of 141,448 dollars. The microgrid’s reactive power, different bus voltages and frequency responses demonstrate how the proposed system, which employs the dispatch approach, voltage Q droop, and input mode PQ controller, operates steadily. For the purpose of illustrating the importance of the research effort, a comparison section between the planned HOMER optimizer and other optimization approaches is also included. The research was done with the Maldives in mind, but it offers a general notion for setting up a microgrid anyplace in the world with comparable weather and load circumstances. The research was done with the Maldives in mind, but it offers a general notion for setting up a microgrid anyplace in the world with comparable weather and load circumstances.

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“…Renewable sources can be successfully implemented for the generation of electrical power [2]. Conventional renewable sources like solar, wind, and hydro are successfully being implemented all over the world to provide a sustainable solution to the energy problem [3]. The main problem regarding renewable source-based power system networks is its uncertain nature.…”

Section: Introductionmentioning

confidence: 99%

“…To feed all these loads, the grid faces some challenges like stability issues [7] and energy management issues which has a significant impact on the power quality within the microgrid. The dispatch strategy-based control algorithm in this regard might help the grid to mitigate this issue [3].…”

Section: Introductionmentioning

confidence: 99%

Design and Implementation of a Hybrid Solar-Wind-Biomass Renewable Energy System considering Meteorological Conditions with the Power System Performances

Hossen

Islam

Ishraque

et al. 2022

International Journal of Photoenergy

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This paper presents a performance evaluation of an off-grid PV-wind-biomass hybrid energy system for a remote area named Kuakata in Bangladesh considering dispatch strategy-based control, power system response, and reliability analysis-based stability and feasibility study. The simulation and optimization of operations of the system have been done by the HOMER software using the real-time field data of solar radiation, wind speed, and biomass of that particular area for ensuring economical and environmental feasibility offering the least net present cost (NPC), cost of energy (COE), and CO2 emission. The result shows that NPC has been reduced by 88 percent, CO2 emissions have been reduced by 99 percent, the operating cost has been lowered by 99 percent, and COE has been reduced by 92 percent than another available work. Besides, in comparison to traditional power sources, COE has been reduced by 40 percent, NPC has been lowered by 90 percent, and CO2 emissions have been reduced by 99 percent. The proposed system has also been analyzed utilizing DIgSILENT PowerFactory software to find the power system responses, i.e., active, reactive powers, voltage, and frequency responses of the proposed microgrid in a per unit fashion on the occurrence of a three-phase fault. To establish the feasibility of the microgrid, a reliability study considering different reliability indices has also been done. The analyzed hybrid energy system might be applicable to other regions of the world where there are similar climatic conditions.

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Optimal Sizing and Assessment of a Renewable Rich Standalone Hybrid Microgrid Considering Conventional Dispatch Methodologies

Cited by 19 publications

References 45 publications

Modeling and adaptive control strategy of hybrid microgrid based on virtual synchronous generator

Modeling and adaptive control strategy of hybrid microgrid based on virtual synchronous generator

Grid Connected Microgrid Optimization and Control for a Coastal Island in the Indian Ocean

Design and Implementation of a Hybrid Solar-Wind-Biomass Renewable Energy System considering Meteorological Conditions with the Power System Performances

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