Techno-economic analysis of off-grid PV/wind/fuel cell hybrid system combinations with a comparison of regularly and seasonally occupied households

Duman, A. Can; Güler, Önder

doi:10.1016/j.scs.2018.06.029

Cited by 214 publications

(77 citation statements)

References 28 publications

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“…A simple cost model was used in the economic calculations; considering the capital and operation and maintenance costs. The equations used for the cost functions of the components are available in references for the hybrid system components. The operating cost was evaluated based on natural gas consumption, whereas the maintenance cost was considered as 6% of the total annualized capital investments.…”

Section: Economic Modelmentioning

confidence: 99%

Performance and economic investigation of a combined phosphoric acid fuel cell/organic Rankine cycle/electrolyzer system for sulfuric acid production; Energy‐based organic fluid selection

Sadeghi

Askari

2020

Int J Energy Res

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SUMMARY In this article, the application of a hybrid phosphoric acid fuel cell and organic Rankine cycle (PAFC/ORC) system was thermo‐economically investigated for sulfuric acid production in Sarcheshmeh copper complex (SCC); the second largest copper deposit worldwide. The electricity that is produced by the system is consumed by electrolyzer to produce the hydrogen and sulfuric acid. Two scenarios were considered for applying the PAFC thermal energy as thermal source of the ORC to produce further power. The performance of the system was investigated considering various important parameters such as organic fluid type, PAFC current density (IPAFC), fuel & air consumption factors as well as the ORC turbine inlet pressure (Pi, ORC). The unit cost of sulfuric acid and the hybrid system simple payback period were obtained as 0.0215$/kg and 3.65 years, respectively.

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Section: Economic Modelmentioning

confidence: 99%

Performance and economic investigation of a combined phosphoric acid fuel cell/organic Rankine cycle/electrolyzer system for sulfuric acid production; Energy‐based organic fluid selection

Sadeghi

Askari

2020

Int J Energy Res

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“…Deterministic optimization models [10,11] Easy to understand and feasible for testing system performance from both the technical and economic perspectives etc Uncertainties are not mathematically considered and modeled.…”

Section: Representative Literature Main Features Shortcomingsmentioning

confidence: 99%

“…Reference [10] proposed an optimal operation model for a fuel cell-wind turbine hybrid system by applying a new extremum seeking control algorithm. Authors in [11] investigated the operation of a photovoltaic-wind-fuel cell hybrid system based on the simulated method performed in the HOMER software, in which the technical and economic feasibilities of this hybrid system have been numerically validated. However, uncertainties are not mathematically considered in [10,11].…”

Section: Introductionmentioning

confidence: 99%

“…Authors in [11] investigated the operation of a photovoltaic-wind-fuel cell hybrid system based on the simulated method performed in the HOMER software, in which the technical and economic feasibilities of this hybrid system have been numerically validated. However, uncertainties are not mathematically considered in [10,11]. In [12], a two-stage optimization approach was applied for day-ahead and real-time scheduling of a hybrid power system consisting of WFs and batteries, etc.…”

Section: Introductionmentioning

confidence: 99%

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Optimal Offering and Operating Strategies for Wind‐Storage System Participating in Spot Electricity Markets with Progressive Stochastic‐Robust Hybrid Optimization Model Series

Wang

Zhao

2019

Mathematical Problems in Engineering

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With the increase of wind power installed capacity and the development of energy storage technologies, it is gradually accepted that integrating wind farms with energy storage devices to participate in spot electricity market (EM) is a promising way for improving wind power uncertainty accommodation and bringing considerable profit. Hence, research on reasonable offering and operating strategies for integrated wind farm-energy storage system (WF-ESS) under spot EM circumstances has important theoretical and practical significance. In this paper, a newly progressive stochastic-robust hybrid optimization model series is proposed for yielding such strategies. In the day-ahead stage, day-ahead and balancing prices uncertainties are formulated by applying joint stochastic scenarios, and real-time available wind power uncertainties are modeled by using the seasonal auto-regression (AR) based dynamic uncertainty set. Then, the first model of this model series is established and utilized for cooptimizing both the day-ahead offering and nominal real-time operating strategies. In the balancing stages, wind power uncertainty set and balancing prices stochastic scenarios are dynamically updated with the newly realized data. Then, each model from the remaining of this model series is established and utilized period by period for obtaining the optimal balancing/real-time offering/operating strategies adjusted from the nominal ones. Robust optimization (RO) in this progressive framework makes the operation of WF-ESS dynamically accommodate wind power uncertainties while maintaining relatively low computational complexity. Stochastic optimization (SO) in this progressive framework makes the WF-ESS avoid pursuing profit maximization strictly under the worst-case scenarios of prices uncertainties. Moreover, by adding a risk-aversion term in form of conditional value at risk (CVaR) into the objective functions of this model series, the optimization models additionally provide flexibility in reaching a trade-off between profit maximization and risk management. Simulation and profit comparisons with other existing methods validate the scientificity, feasibility, and effectiveness of applying our proposed model series.

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“…Effects of different shapes, size, and thermal management system on the performance of the MH have been studied . In literature, a number of studies have been done on the RPGs‐based microgrid system including the hydrogen as storage medium in system and simulation domains . Some of the studies are focused on the MH‐based hydrogen storage system in microgrid .…”

Section: Introductionmentioning

confidence: 99%

Techno‐economic analysis of metal hydride‐based energy storage system in microgrid

2019

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Hydrogen can be a promising option as an energy storage medium in renewable power generator‐based microgrid. However, the technologies used for the hydrogen storage such as high pressure in gaseous form and solid storages can significantly affect the cost performance of the hydrogen‐based microgrid. In this study, a techno‐economic assessment for solid hydrogen storage (metal hydride [MH])‐based microgrid in Indian operating conditions has been carried out in terms of levelized cost of electricity (LCOE), net present cost, and avoided environmental emissions. In the present microgrid, excess photovoltaic (PV) generator electricity is used to generate hydrogen using the alkaline water electrolyzer (EL). This generated hydrogen is stored in the MH cylinder. The stored hydrogen is converted back into electricity by fuel cell (FC) in case of insufficiency of PV electricity. The sizing of the microgrid components such as PV, FC, EL, and hydrogen storage tank are obtained for given load profile using HOMER optimization tool. An attempt has been made for the cost evaluation of the solid and high‐pressure gaseous storages in the microgrid. A comparative study between two energy storage mediums such as battery and hydrogen in microgrid is also performed. In case of battery and hydrogen storages, the LCOE is found to be 0.1293 and 0.383 $/kWh, respectively. It was found that battery storage system is more economical than hydrogen storage in microgrid. Nonetheless, the difference between the LCOE in hydrogen‐based microgrid is reduced considerably with optimized cost scenario of the EL, FC, and H2 storage tank as compared to the battery storage. Such technical, economic, and environmental assessment of the MH‐based microgrid system provides a firm basis to policymakers for shaping energy and environment policies for hydrogen activities.

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Techno-economic analysis of off-grid PV/wind/fuel cell hybrid system combinations with a comparison of regularly and seasonally occupied households

Cited by 214 publications

References 28 publications

Performance and economic investigation of a combined phosphoric acid fuel cell/organic Rankine cycle/electrolyzer system for sulfuric acid production; Energy‐based organic fluid selection

Performance and economic investigation of a combined phosphoric acid fuel cell/organic Rankine cycle/electrolyzer system for sulfuric acid production; Energy‐based organic fluid selection

Optimal Offering and Operating Strategies for Wind‐Storage System Participating in Spot Electricity Markets with Progressive Stochastic‐Robust Hybrid Optimization Model Series

Techno‐economic analysis of metal hydride‐based energy storage system in microgrid

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