Stable power supply of an independent power source for a remote island using a Hybrid Energy Storage System composed of electric and hydrogen energy storage systems

Article Engineering, Chemical

Optimal design and techno-economic analysis of a hybrid renewable energy system for off-grid power supply and hydrogen production: A case study of West China

Jinze Li et al.

Summary: This study demonstrates the techno-economic feasibility of a stand-alone hybrid renewable energy system for remote rural communities, showing that the system is cost-competitive and helps reduce carbon emissions.

CHEMICAL ENGINEERING RESEARCH & DESIGN (2022)

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Article Energy & Fuels

Nonlinear Kalman filters based rotor effective wind speed estimation: An experimental comparison

Hoai-Nam Nguyen

RENEWABLE ENERGY (2022)

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Article Thermodynamics

Optimization of renewable energy for buildings with energy storages and 15-minute power balance

Rebecka Savolainen et al.

Summary: When planning renewable hybrid energy solutions in buildings, it is important to consider both investment and operating costs. This study developed a novel building optimization model based on power balance settlement in 15-minute intervals. The model applied multiple energy storages and was used to plan the retrofitting of office and residential buildings in Helsinki and Tallinn. The optimized configurations resulted in significant energy cost savings and reduced non-renewable primary energy consumption.

ENERGY (2022)

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Article Engineering, Mechanical

On noise covariance estimation for Kalman filter-based damage localization

Stefan Wernitz et al.

Summary: In this study, we introduced a method for noise covariance estimation and damage analysis in structural health monitoring using Kalman filters. By utilizing an autocovariance least-squares method based on model parameters, we simplified the tuning of the filters. Additionally, we proposed a new damage indicator that exhibits high sensitivity towards localized damage. Through simulation and experimental studies, we demonstrated the effectiveness of the proposed methods and found that the combined application of different filters can enhance the robustness and sensitivity of damage detection and localization.

MECHANICAL SYSTEMS AND SIGNAL PROCESSING (2022)

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Article Energy & Fuels

Performance analysis of hybrid energy storage integrated with distributed renewable energy

Lu Feng et al.

Summary: This paper introduces a microgrid system integrating distributed renewable energy and hybrid energy storage system, optimizing capacity allocation to meet power demand with good economic performance.

ENERGY REPORTS (2022)

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Article Computer Science, Interdisciplinary Applications

Optimal design of a cooperated energy storage system to balance intermittent renewable energy and fluctuating demands of hydrogen and oxygen in refineries

Jing Wang et al.

Summary: This study investigates the effects of stable flowrates of energy carriers on the design and operation of a cooperated energy storage system to match renewable energy supply with product demands. The results show that stable flowrate restrictions, product sales, and grid connections significantly impact the cost and configuration of the system. A critical utilization efficiency of renewable energy is necessary to minimize total costs.

COMPUTERS & CHEMICAL ENGINEERING (2021)

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Article Thermodynamics

Targeting and scheduling of standalone renewable energy system with liquid organic hydrogen carrier as energy storage

Angel Xin Yee Mah et al.

Summary: The utilization of renewable energy sources is crucial for energy transition, but the intermittent nature can cause energy supply and demand mismatch. Energy storage, particularly using liquid organic hydrogen carrier, can help tackle this issue. A cascade analysis approach is proposed to optimize the capacity of a standalone energy system fully supported by renewables and liquid organic hydrogen storage.

ENERGY (2021)

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Article Thermodynamics

Techno-economic and environmental assessment of a hybrid renewable energy system using multi-objective genetic algorithm: A case study for remote Island in Bangladesh

Barun K. Das et al.

Summary: The study investigates a hybrid energy system configuration for providing stable power to a remote Island in Bangladesh, utilizing multi-objective optimization techniques to adjust component sizes. Results show that the multi-objective approach provides better environmental benefits and intelligent techniques are superior to software tools for cost and environmental considerations.

ENERGY CONVERSION AND MANAGEMENT (2021)

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Article Green & Sustainable Science & Technology

Comparative assessment of solar photovoltaic-wind hybrid energy systems: A case for Philippine off-grid islands

Jethro Daniel A. Pascasio et al.

Summary: Geographic isolation in remote Philippine islands limits energy access, with most islands relying on costly and unsustainable diesel power. A study shows that utilizing hybrid energy systems with solar PV and wind power can ensure reliable and continuous energy supply with minimal costs and increased shares of renewable energy.

RENEWABLE ENERGY (2021)

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Article Green & Sustainable Science & Technology

Impacts of innovation on renewable energy technology cost reductions

A. Elia et al.

Summary: This paper addresses the complexity of multiple drivers of energy technology cost reduction trends and finds that quantification of these drivers remains a challenge. Despite the popularity of one-factor learning curves, the development of multi-factor learning curve models and bottom-up cost models is still in its early stages.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Article Green & Sustainable Science & Technology

Economic analysis and optimization of a renewable energy based power supply system with different energy storages for a remote island

Muhammad Shahzad Javed et al.

Summary: This study investigates and compares various combinations of renewable energies and storage technologies in an off-grid power supply system. The results show that self-discharge has a significant impact on energy cost, and hybrid storage technologies are crucial in off-grid renewable energy environments.

RENEWABLE ENERGY (2021)

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Article Green & Sustainable Science & Technology

Numerical investigation to assess the techno-economic feasibility of solar central receiver system for off-grid power in Saint Martin's Island, Bangladesh

Md Sakib Hossain et al.

Summary: Bangladesh, with a fast-growing economy, faces a significant power crisis due to inadequate distribution, neglect of renewable energy resources, and reliance on fossil fuels. A study on Saint Martin's Island has analyzed the feasibility of solar power generation, with a designed model showing promising performance in providing sustainable off-grid electricity using solar thermal energy.

ENERGY FOR SUSTAINABLE DEVELOPMENT (2021)

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Article Energy & Fuels

Seasonal hydrogen storage for sustainable renewable energy integration in the electricity sector: A case study of Finland

Ahmed M. Elberry et al.

Summary: The study demonstrates that utilizing geological hydrogen storage technology can significantly reduce carbon emissions in Finland, decrease the use of fossil fuel-based power, and enhance the capability to meet energy demand. Through simulation analysis, the importance of hydrogen storage in the Finnish electricity system is validated.

JOURNAL OF ENERGY STORAGE (2021)

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Article Energy & Fuels

Energy cost reduction in residential nanogrid under constraints of renewable energy, customer demand fitness and binary battery operations

Ahmed Tijjani Dahiru et al.

Summary: The proposed method in this study introduces a time-of-use fitness approach in a grid connected photovoltaic/wind/battery nanogrid for reducing energy costs and maintaining customer comforts. By considering three different configurations of the nanogrid optimized through nested integer linear programming, the method applies fitness functions to either critical or flexible demands based on real-time residential consumption, renewable generation, and main grid imported power.

JOURNAL OF ENERGY STORAGE (2021)

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Review Energy & Fuels

Empowering smart grid: A comprehensive review of energy storage technology and application with renewable energy integration

Kang Miao Tan et al.

Summary: The rapid growth in the usage and development of renewable energy sources in the present day electrical grid necessitates the use of energy storage technologies to mitigate intermittent power discrepancies. These technologies stabilize power production and energy demand by storing excess energy for use when needed. Researchers and industrial experts have explored various energy storage technologies by integrating different renewable energy sources into storage systems, with the potential for energy storage systems to become the primary electricity sources in future electric grids.

JOURNAL OF ENERGY STORAGE (2021)

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Article Chemistry, Physical

Development of a gaseous and solid-state hybrid system for stationary hydrogen energy storage

Haizhen Liu et al.

Summary: A gaseous and solid-state (G-S) hybrid hydrogen storage system has been developed with a high volumetric hydrogen storage density and energy storage efficiency. It combines gas and solid-state hydrogen storage technologies to store hydrogen at low working pressure, showing promise for stationary hydrogen storage applications.

GREEN ENERGY & ENVIRONMENT (2021)

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Review Engineering, Electrical & Electronic