Comparison of the Total Costs of Renewable and Conventional Energy Sources

Gejguš, Mirko; Aschbacher, Christine; Sablik, Jozef

doi:10.1515/rput-2016-0010

Cited by 8 publications

(3 citation statements)

References 1 publication

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“…Experimental research was carried out on a pilot boiler located at UPB, this boiler is equipped with all the necessary facilities for experimental tests, allowing the determination of the flow rate of biofuel, HRG, thermal power output and polluting emissions (Lazaroiu et al, 2017;Aneke and Wang, 2016;Pîșă et al, 2016;Gejguš et al, 2016;Lazaroiu et al, 2020a).…”

Section: Presentation Of the Concept Of Technology Proposed For The C...mentioning

confidence: 99%

Benefits of Hydrogen-Rich Gas (HRG) on Biomass Combustion Performances

Lăzăroiu¹,

Mihăescu²,

Negreanu³

et al. 2022

Proceedings of the 9th International Conference on Advanced Materials and Systems

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Due to accelerated globalization, climate change and the increased costs of classical fuels, the notion of biomass is growing in recent years. Harnessing fuels as well as biofuels or hydrogen-rich gas (HRG) helps in a sustainable and environmentally friendly development of the energy sector. Although biofuels cover a vast field in terms of calorific value, maintaining a certain level of humidity is a real problem in practice. Thus, the primary combustion is difficult, and the combustion plants and their performances are restricted. Ideally, the humidity is recommended to be a maximum of 30%. Hydrogen-rich gas (HRG) is obtained from electrolysis, without the need to separate the two gaseous elements H2 and O2. Stoichiometric combustion is performed with oxygen from the gaseous fuel, the rest at the level of excess air being completed from the oxidizing medium. The experiments are carried out on pilot installations from University Politehnica of Bucharest and the advantages of co-combustion of solid biofuels with hydrogen-rich gas are highlighted. As a result, you want to increase the speed and combustion and decrease the CO emission. The limits of mass participation of avian waste mixed with biomass for co-combustion will be studied, with the highlighting of the influence of humidity and calorific value.

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Section: Presentation Of the Concept Of Technology Proposed For The C...mentioning

confidence: 99%

Benefits of Hydrogen-Rich Gas (HRG) on Biomass Combustion Performances

Lăzăroiu¹,

Mihăescu²,

Negreanu³

et al. 2022

Proceedings of the 9th International Conference on Advanced Materials and Systems

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Section: Presentation Of the Concept Of Technology Proposed For The C...mentioning

confidence: 99%

Proceedings of the 9th International Conference on Advanced Materials and Systems

2022

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“…Nowadays, in a serious condition of increasing tension over energy, conventional sources of energy are declining sharply, like fossil fuels, while clean energy has tough problems with high-cost and intermittent [1]- [4]. To achieve a low carbon economy, the effective utilization of traditional energy and clean energy, or the energy transfer and storage after utilization, are the key research directions.…”

Section: Introductionmentioning

confidence: 99%

Adaptive Terminal Sliding Mode Control for Hybrid Energy Storage Systems of Fuel Cell, Battery and Supercapacitor

Liu

Yan

et al. 2019

IEEE Access

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In this paper, a terminal sliding mode control strategy with projection operator adaptive law is proposed in a hybrid energy storage system (HESS). The objective of the proposed control strategy is to provide power for load in time, get good tracking performance of the current of the fuel cell, battery, and supercapacitor, and obtain a stable voltage of the dc bus. At first, the topological structure of the system is proposed, and the mathematical models are derived. Then, on the basis of the working characteristics of the energy storage unit, the load power is reasonably and effectively distributed to increase the service life of HESS and improve energy efficiency. Meanwhile, according to the tracking errors of reference and actual values, the terminal sliding surfaces can be set out. The controller can be designed by the constraint condition, combining the projection operator adaptive law. In addition, the HESS with the proposed control is proved to be asymptotically stable by using the Lyapunov method. Finally, the simulation results show that the proposed control strategy can make the whole system stable, and the control objective can also be better realized.

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Comparison of the Total Costs of Renewable and Conventional Energy Sources

Cited by 8 publications

References 1 publication

Benefits of Hydrogen-Rich Gas (HRG) on Biomass Combustion Performances

Benefits of Hydrogen-Rich Gas (HRG) on Biomass Combustion Performances

Proceedings of the 9th International Conference on Advanced Materials and Systems

Adaptive Terminal Sliding Mode Control for Hybrid Energy Storage Systems of Fuel Cell, Battery and Supercapacitor

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