Techno-economic-environmental study of hybrid power supply system: A case study in Iran

Mehrpooya, Mehdi; Mohammadi, Mohammad; Ahmadi, Esmaeil

doi:10.1016/j.seta.2017.10.007

Cited by 70 publications

(29 citation statements)

References 33 publications

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“…Progressive energy demand growth and rapid depletion of fossil fuels have raised concerns of future energy supplies [1]. Moreover, the utilization of conventional energy sources from fossil fuels has resulted in tremendous increases in CO 2 emissions, which are the primary cause of global warming [2,3].…”

Section: Introductionmentioning

confidence: 99%

Energy Management and Optimization of a PV/Diesel/Battery Hybrid Energy System Using a Combined Dispatch Strategy

et al. 2019

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In recent years, the concept of hybrid energy systems (HESs) is drawing more attention for electrification of isolated or energy-deficient areas. When optimally designed, HESs prove to be more reliable and economical than single energy source systems. This study examines the feasibility of a combined dispatch (CD) control strategy for a photovoltaic (PV)/diesel/battery HES by combining the load following (LF) strategy and cycle charging (CC) strategy. HOMER software is used as a tool for optimization analysis by investigating the techno-economic and environmental performance of the proposed system under the LF strategy, CC strategy, and combined dispatch CD strategy. The simulation results reveal that the CD strategy has a net present cost (NPC) and cost of energy (COE) values of $110,191 and $0.21/kWh, which are 20.6% and 4.8% lower than those of systems utilizing the LF and CC strategies, respectively. From an environmental point of view, the CD strategy also offers the best performance, with CO 2 emissions of 27,678 kg/year. Moreover, the results show that variations in critical parameters, such as battery minimum state of charge, time step, solar radiation, diesel price, and load growth, exert considerable effects on the performance of the proposed system. Sustainability 2019, 11, 683 2 of 26 different energy sources to produce a hybrid energy system (HES), which can solve reliability problems and provide an environmentally friendly solution [7][8][9]. Various power sources and storages, such as diesel generators, batteries, and supercapacitors, should be integrated into HESs to improve system stability and smooth out fluctuations [10,11].Sustainability 2018, 10, x FOR PEER REVIEW 2 of 29 problems and provide an environmentally friendly solution [7][8][9]. Various power sources and storages, such as diesel generators, batteries, and supercapacitors, should be integrated into HESs to improve system stability and smooth out fluctuations [10,11]. Figure 2. Commonly used approaches for energy management strategies [14]. Sustainability 2019, 11, 683 3 of 26Although the non-dispatchable RESs necessitate complex systems modeling, they are themselves simple to model without the need for control logic, in which the power is merely produced in direct response to the available renewable energy resources. On the other hand, the dispatchable components, such as the generator and battery, are more difficult to model because they must be controlled to achieve matching of demand and supply properly, and to compensate for the intermittency of the non-dispatchable RESs [16,17]. "Should a generator charge the battery or should excess solar production be responsible for charging the battery only and the generator used only to satisfy the load?" This question has led to some rules that manage the operation of generator and battery energy storage. The load following (LF) and cycle charging (CC) dispatch strategies are used to control generator operation and battery energy storage. Under the LF strategy, a generator produces only e...

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Section: Introductionmentioning

confidence: 99%

Energy Management and Optimization of a PV/Diesel/Battery Hybrid Energy System Using a Combined Dispatch Strategy

et al. 2019

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“…Many previous studies have analyzed the differences between current systems and microgrids 6 or determined the most economically feasible system among many options with computer simulations. 7–9 However, this study analyzes and compares the economics of microgrids and nanogrids, which can replace the current system. Energy policies that simply scale down or operate at minimum units without analyzing economic feasibility interfere with the efficient use of renewable energy.…”

Section: Introductionmentioning

confidence: 99%

Comparative study on the economic feasibility of nanogrid and microgrid electrification: The case of Jeju Island, South Korea

Bae

Lee

Kim

2020

Energy & Environment

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Due to heavy fuel dependence, the “renewable energy system” idea is an important issue in South Korea. The government of South Korea is endeavoring to convert its energy infrastructure into renewable energy generation. As such, numerous studies have evaluated the economic feasibility of various renewable energy sources in South Korea. This study differs from those studies as it is focused on a smaller scale in terms of self-supporting nanogrid and microgrid energy. The purpose of this study is to determine which type of grid is more economical. To conduct a comparative study on the economic feasibility of nanogrids and microgrids, three substations on Jeju Island were randomly selected. We then suggested two scenarios. The first scenario is <nanogrid>, which changes each substation into a nanogrid, and the second is <microgrid>, which connects the three nanogrids to share electricity. This study identifies the optimal combination of hybrid energy resources using HOMER (hybrid optimization model for electric renewables) software to change the substations into an self-supporting energy nanogrid or microgrid. According to the net present cost and cost of energy results for each scenario through HOMER simulations, the <nanogrid> scenario is more economical than the <microgrid> scenario. However, this study also shows that microgrids can be the better option, depending on the distance between nanogrids. Finally, implications and limitations are discussed in the last section of this paper.

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“…The result showed that the new Trombe wall is the most appropriate technology, creating warmer indoor profile than the other cases, especially the hours between noon and afternoon. Mehrpooya et al [27] presents an optimal planning model of a hybrid renewable energy system to meet a real load with a combination of photovoltaic panels (PV), diesel generators and batteries using HOMER software. Su et al [28] comparatively studied different patterns of solar energy utilization for different applications, including residential, official, commercial, and industrial districts.…”

Section: Introductionmentioning

confidence: 99%

A Techno-Economic Feasibility Study for Reducing the Energy Consumption in a Building: A Solar Energy Case Study for Bandar Abbas

Bazarchi¹,

Bidhendi

Ghazi³

et al. 2020

Journal of Thermal Engineering

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In this work, 13 different solutions for the optimization of energy consumption of a building located in the tropical city of Bandar Abbas are studied out via the EnergyPlus and TRNSYS (Transient System Simulation Tool) commercial codes. Then, the suggested solutions are economically studied and the most economically viable ones are proposed. Ultimately, an energy efficient consumption scheme is put forward with the approach of solar energy utilization. Results reveal that 9 out of 13 studied solutions are techno-economically viable; and by implementing these solutions the energy consumption of the building could be decreased by 81% up to 165624.1 kWh as well as preventing 63022.66 kg of CO2 emission.

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Techno-economic-environmental study of hybrid power supply system: A case study in Iran

Cited by 70 publications

References 33 publications

Energy Management and Optimization of a PV/Diesel/Battery Hybrid Energy System Using a Combined Dispatch Strategy

Energy Management and Optimization of a PV/Diesel/Battery Hybrid Energy System Using a Combined Dispatch Strategy

Comparative study on the economic feasibility of nanogrid and microgrid electrification: The case of Jeju Island, South Korea

A Techno-Economic Feasibility Study for Reducing the Energy Consumption in a Building: A Solar Energy Case Study for Bandar Abbas

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