Grid integration impacts and control strategies for renewable based microgrid

Fazal, Sana; Haque, Md. Enamul; Arif, Mohammad Taufiqul; Gargoom, Ameen; Oo, Amanullah Maung Than

doi:10.1016/j.seta.2023.103069

Cited by 28 publications

(19 citation statements)

References 188 publications

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“…Another critical consideration for microgrid development is the need to address environmental concerns. While microgrids have the potential to reduce carbon emissions and promote a more sustainable energy system, there is a risk that they may also have negative environmental impacts, such as the degradation of local ecosystems or the depletion of natural resources [39]. Developing standards and best practices for microgrid design and operation that prioritize sustainability and environmental responsibility is essential to address environmental concerns.…”

Section: Environmental Concernsmentioning

confidence: 99%

Possibilities, Challenges, and Future Opportunities of Microgrids: A Review

Shahzad

Abbasi

Ali³

et al. 2023

Sustainability

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Microgrids are an emerging technology that offers many benefits compared with traditional power grids, including increased reliability, reduced energy costs, improved energy security, environmental benefits, and increased flexibility. However, several challenges are associated with microgrid technology, including high capital costs, technical complexity, regulatory challenges, interconnection issues, maintenance, and operation requirements. Through an in-depth analysis of various research areas and technical aspects of microgrid development, this study aims to provide valuable insights into the strategies and technologies required to overcome these challenges. By assessing the current state of microgrid development in Pakistan and drawing lessons from international best practices, our research highlights the unique opportunities microgrids present for tackling energy poverty, reducing greenhouse gas emissions, and promoting sustainable economic growth. Ultimately, this research article contributes to the growing knowledge of microgrids and their role in addressing global sustainability issues. It offers practical recommendations for policymakers, industry stakeholders, and local communities in Pakistan and beyond.

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Section: Environmental Concernsmentioning

confidence: 99%

Possibilities, Challenges, and Future Opportunities of Microgrids: A Review

Shahzad

Abbasi

Ali³

et al. 2023

Sustainability

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“…Dado que el efecto de las tasas depende mayormente de su diferencia, la Figura 15 presenta capacidades de componentes e indicadores en función de la tasa real de descuento (TRD), la cual se calcula a partir de (6) donde 𝑇𝐼 es la tasa de inflación y 𝑇𝐹 es la tasa de interés o de descuento. Las líneas de tendencias y coeficientes de determinación evidencian un grado importante de causalidad, por lo que es recomendable el análisis de sensibilidad considere conjuntamente a 𝑇𝐼 y 𝑇𝐹.…”

Section: Impacto De Las Tasas De Inflación Y Descuentounclassified

“…El diseño y análisis de estos sistemas comprende desafíos asociados a la intermitencia de algunas fuentes de generación (p.ej., generador fotovoltaico o turbinas eólicas), la cantidad de soluciones factibles y su viabilidad técnico-financiera, entre otros [3]- [6]. El dimensionamiento de una MR puede realizarse a partir de varios métodos o herramientas computacionales [7], siendo HOMER Pro uno de los softwares más utilizados.…”

Section: Introductionunclassified

Dimensionamiento y análisis de sensibilidad de una microrred aislada usando HOMER Pro

García-García¹,

Osma-Pinto²

2023

TecnoL.

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En años recientes, ha incrementado la implementación y el estudio de microrredes (MR). Su dimensionamiento depende de los datos de entrada (ej., demanda, microclima, costos y restricciones), por lo que la variación de uno o más de estos pueden modificar la solución óptima de la MR y su operación esperada. Tal variación se presenta debido al contexto económico, tecnológico o climático, por lo que, se propuso hacer un análisis de sensibilidad que caracterice su impacto. Con el fin de aportar en la aplicación del análisis de sensibilidad en proyectos de MR, el objetivo de este trabajo consistió en estudiar el impacto de siete variables de sensibilidad (irradiación solar, velocidad del viento, temperatura ambiente, estado de carga mínimo del banco de baterías, precio del combustible, tasa de descuento y tasa de inflación) sobre el dimensionamiento e indicadores económicos y operativos de una MR aislada para usuarios residenciales en un municipio rural de Colombia. El análisis se realizó a partir del uso de la herramienta HOMER Pro, siendo los principales indicadores analizados: costo presente neto, costo de energía, costo de capital, costo de operación y fracción renovable. Los resultados permitieron identificar que las variables más influyentes para el caso de estudio son: precio del combustible, tasa de inflación, tasa de descuento e irradiación solar; asimismo, apreció la utilidad de HOMER Pro para este tipo de análisis y la conveniencia de la representación gráfica para estudiar el impacto de las variables de sensibilidad. En conclusión, la variación de los datos de entrada influye en la factibilidad de resultados, como por ejemplo, el costo presente neto disminuye con el aumento del precio del combustible, la temperatura ambiente o la tasa de inflación, mientras que aumenta con la reducción del estado de carga mínimo, la irradiación solar o la tasa de descuento.

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“…These objectives can be achieved by developing new distributed energy resources, including microgrids [2]. The microgrid represents a prominent potential for future power system infrastructure [3]. They can enable greener operations by integrating on-site renewable sources such as wind and solar, as well as energy storage devices.…”

Section: Introductionmentioning

confidence: 99%

A Lyapunov-Based Model Predictive Control Approach for Photovoltaic Microgrid Integration via Multilevel Flying Capacitor Inverter

El Khlifi,

El Magri,

Lajouad

2023

E3S Web of Conf.

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In this study, we introduce a Model Predictive Control (MPC) approach based on a Lyapunov energy function, ensuring global asymptotic stability for a single-phase multilevel flying capacitor inverter (FCI) that interfaces with photovoltaic systems and microgrids. The defined cost function is derived from the Lyapunov energy function, harnessing the stored energy within the capacitor and inductor. This choice is rooted in the principle that as long as total energy is continuously dissipated, the system’s states will eventually reach the equilibrium point. Moreover, this cost function eliminates the need for tuning the weighting factors, a process that can be cumbersome and time-consuming due to the lack of clear guidelines. To assess the efficacy of the proposed control strategy, we conducted simulations using MATLAB/Simulink under varying weather conditions. The results obtained demonstrate that the MPC strategy not only ensures overall stability but also delivers high-quality sinusoidal current with minimal total harmonic distortion (THD), practical low steady-state error in the grid current, and rapid dynamic response, even in the face of changing weather conditions.

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Grid integration impacts and control strategies for renewable based microgrid

Cited by 28 publications

References 188 publications

Possibilities, Challenges, and Future Opportunities of Microgrids: A Review

Possibilities, Challenges, and Future Opportunities of Microgrids: A Review

Dimensionamiento y análisis de sensibilidad de una microrred aislada usando HOMER Pro

A Lyapunov-Based Model Predictive Control Approach for Photovoltaic Microgrid Integration via Multilevel Flying Capacitor Inverter

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