Exergy optimization of a multi‐stage
This paper proposes a dynamic model of a solar-based micro-cogeneration system called photovoltaic-thermal (PVT) collector to perform a design optimization of the
Optimal design and integration of solar systems and fossil fuels
The solution of the optimization formulation determines the optimal levels of power, external heating, external cooling, heat integration, mix of fossil/solar energy forms to be supplied to the
Off-design behaviors of a solar-powered HDH system for water and power
Solar photovoltaic thermal (PV/T) can also be exploited to run the HDH system. The power generated by the PV panel can run the air blowers and pumps in addition to be stored in the storage battery to achieve continuous operation without solar radiation [22], [23].This integration holds great potential for improved system performance and economic feasibility.
Design of a solar dish Stirling cogeneration system: Application
The daily and monthly operating characteristics of the system are evaluated, and its annual performance is compared to those of a reference system (gas boiler plus grid electricity), as well as of other alternative solar-CHP systems including a PVT-assisted heat pump system and a standalone PVT system.
Thermodynamic and economic performance analysis of heat and power
The advanced adiabatic compressed air energy storage system coupled with other systems not only has a high efficiency but also has the ability to produce heat and power simultaneously, which has
Optimal capacity planning for power cogeneration and
To promote human welfare and enhance sustainability of global cogeneration plants, planning and optimizing power generation and water desalination is vital. To meet the growing needs for power and water, it is necessary to adopt systematic strategies for cost-effective expansion of infrastructure capacity. In this work, a model is developed to optimize
Optimal design of a multi-generation system based on solar and
Optimal design of a multi-generation system based on solar and geothermal energy integrated with multi-effect distillatory this is the base idea of the combined cooling, heating and power system (CCHP). Employing the supportable and renewable energies, such as the solar technologies is another approach. efficiency of the cogeneration
The many-objective optimal design of renewable energy cogeneration system
The cogeneration system can effectively regulate the fluctuating wind and photovoltaic output to satisfy electricity load by electric heater based on resistive heating of molten salt, two-tank molten salt thermal energy storage and power block based on steam Rankine cycle, and supply heat load directly from the molten salt heat transfer fluid and heat exchanger.
Optimal Design of a Renewable-Energy-Driven Integrated
desalination processes, requiring both power and heat, are often paired with vapor com-pression or absorption refrigeration systems to leverage common energy sources (such as the heat that is rejected from gas turbine plants), thus enhancing system efficiency. One such optimal electricity and freshwater cogeneration system reached 45.6% exergy
Optimal Design of a Renewable-Energy-Driven
Optimal Design of a Renewable-Energy-Driven Integrated Cooling–Freshwater Cogeneration System (RHP/BH); and combined heat and power (CHP)), the system aims to produce both cooling and
Optimal design and integration of solar thermal collection,
An algorithmic approach to the optimal design of cogeneration systems was developed by Al-Azri et al. (2009). A hierarchical design approach has been developed for the optimal integration of process heat and power, fossil fuel, and solar energy. Three interactive stages of design have been used to optimize heat integration, cogeneration
Optimal design and analysis of a combined freshwater-power
Optimal design and analysis of a combined freshwater-power generation system based on integrated solid oxide fuel cell-gas turbine-organic Rankine cycle-multi effect distillation system investigated the different cycles, and hydrocarbon fuels were used to optimize a 30 kW SOFC combined heat and power system. The system''s total efficiency
Optimal cogeneration and scheduling of hybrid hydro
This paper optimizes cogeneration of a hydro-thermal-wind-solar system. In the proposed hybrid system, the energy storage systems are also incorporated to smoot Optimal cogeneration and scheduling of hybrid hydro
Optimal design and economic analysis of a hybrid solid oxide fuel
A combined system containing solid oxide fuel cell (SOFC), solar parabolic dish, double effect LiBr-H 2 O absorption chiller system and organic Rankine cycle is modeled and analyzed to design a novel poly-generation system producing: electricity, space heating and cooling and domestic hot water, for a commercial tower in Tehran. The system also contains a
Using machine learning approaches to model and optimize a
Using cogeneration or multigeneration systems to recover gas turbine cycle waste heat has been the subject of several research. For instance, a Rankine cycle and a modified Kalina-compression refrigeration cycle were employed by Dehghani and Yoo [9] to recover the wasted heat of a biofuel-based system to produce power and a cooling load.
Optimization and comparative analysis of various organic Rankine
4 天之前· Aligned with specific industrial demands, this integration supports power generation, cogeneration (cooling and power) or trigeneration (cooling, power and heating). Zhou et al. [25] constructed an integrated ORC-AR system for power generation, initially optimizing the working fluid selection and identifying critical parameters.
New procedure for an optimal design of an integrated solar tower power
Wang et al. [15] examined the exergoeconomic and exergoenvironmental analysis for a heat and power cogeneration system that utilizes a geothermal heat source. They concluded that the cooling water in the system has the highest cost rate and that the heat exchanger between the geothermal heat source and the underfloor heating system has the
Thermodynamic and economic performance analysis of heat and power
The advanced adiabatic compressed air energy storage system coupled with other systems not only has a high efficiency but also has the ability to produce heat and power simultaneously, which has great application potential. Reasonable allocation of heat generated by the system can improve the performance of the system. Therefore, a model of a cogeneration
Optimal eco‐emission scheduling of the reconfigurable solar
Microgrids (MGs) are introduced as relatively small, controllable power systems composed of one or more generation units connected to nearby users that can be operated with or independently from the local bulk (i.e. high-voltage) transmission system. Cogeneration systems are the proper choice to meet several kinds of energy demands. Combined
Optimal design and integration of solar thermal collection,
This paper introduces an optimization approach to the design of process combined heat and power systems that integrate the thermal profile of the process, an external fossil fuel, and solar energy.
Optimal design and integration of solar thermal collection, storage
A hierarchical design approach has been developed for the optimal integration of process heat and power, fossil fuel, and solar energy. Three interactive stages of design
Optimal 6E design of an integrated solar energy-driven
In the framework of optimization approaches, Makkeh et al. [24] have developed an energy, exergy, and exergoeconomic approach for the optimal design of a cogeneration system integrated with desalination, wind and solar thermal energy generation. Their system is aimed at supplying the power and freshwater requirements in Iran by integrating PTC, wind
A Comprehensive Review and Technical
The need for energy is increasing from year to year and has to be fulfilled by developing innovations in energy generation systems. Cogeneration is one of the matured
Optimal design and integration of solar systems and fossil fuels
Widespread industrial utilization of solar energy is an important goal that requires overcoming several technical challenges. One of the key hurdles is the need to address the temporal fluctuations in incident solar power (e.g., on an hourly basis or seasonally) which lead to variations in the outlet power. This work is aimed at the development of a systematic
Thermodynamic Analysis and Optimization
A power-water cogeneration system based on a supercritical carbon dioxide Brayton cycle (SCBC) and reverse osmosis (RO) unit is proposed and analyzed in this paper to
Optimal Design of a Renewable-Energy
This study presents a novel approach that will address escalating demands for water and cooling in regions vulnerable to climate change through the proposal of an
The many-objective optimal design of renewable energy cogeneration system
The cogeneration system can effectively regulate the fluctuating wind and photovoltaic output to satisfy electricity load by electric heater based on resistive heating of molten salt, two-tank
Optimization of a Distributed Cogeneration System with solar district
The problem concerning with the optimization of complex distributed energy supply systems, including also Combined Heat and Power (CHP) and Combined Cooling Heat and Power (CCHP) systems was dealt with by Sakawa et al. [10] and by Weber et al. [11], while other references are available dealing with the optimal design of district heating systems [12],
(PDF) Optimization of a Distributed Cogeneration System with solar
2013. The present paper is focused on the optimization of combined heat and power distributed generation systems. In particular, the authors describe a mixedinteger linear programming model that has been developed in order to optimally design and operate an energy system in a limited urban area where buildings are equipped with small-size CHP plants and are connected by a
(PDF) Performance parameters for the design of a solar-driven
The power+cooling load-to-heat ratio is defined as the effective utilization factor (EUF) for a cogeneration system as a new performance parameter. The optimum value of overall EUF of a solar cogeneration system is investigated. The results may provide some theoretical bases for the optimal design of solar cogeneration systems. See full PDF
Optimal design of solar-assisted steam and power system
Solar energy, as an important clean energy source, is difficult to be widely used in process industry due to its intermittent nature. So in order to improve the process sustainability and also flexibility, a systematic method is proposed to design the solar-assisted steam and power system with the uncertainty factors, including the solar radiation and the real-time demands of
6 FAQs about [Optimal design of solar heat and power cogeneration system]
What is the optimal design of combined heating and power generation systems?
Optimal design of combined cooling, heating and power generation systems is presented in this paper. The goal of this study is comparison of a new operational strategy for optimization of simultaneous production with conventional system in different seasons including hot, cold and moderate times.
Can wind-PV-TES-eh cogeneration provide diversified electricity and heat demand?
To effectively utilize renewable energy resources to supply diversified electricity and heat demand and address the technical issues of conventional CHP plant, this paper proposes a novel wind-PV-TES-EH cogeneration system, which is grid-connected and based on renewable energy technologies.
How accurate is a cogeneration grid model?
The accuracy of the modeling was also done in comparison to other references. Because of the grid's high rate of electrical energy, the modeling results demonstrate that during mild and summer seasons, the cogeneration system can completely satisfy all electrical and thermal demands in 13 to 22 h.
How does a cogeneration system work?
As (Fig. 1) illustrates, a cogeneration system may link to the electrical energy distribution network and exchange energy with it. In this scenario, either the excess energy will be sold to the network, or the lack of energy will be purchased from the network.
Is cogeneration better than traditional power-only system?
LCOE of the proposed cogeneration system is decreased by 6%, LSP is decreased by 24.5%, Rcis decreased by 15.7% and Ecis decreased by 21% compared to traditional power-only system, which indicates that the proposed cogeneration system has better economy and reliability performance, less energy losses and CO2emissions. Table 9.
What is the most efficient working period for a cogeneration system?
As can be seen, the most efficient working period for the cogeneration system is from 13 Noon to 22 the evening, which satisfies all of the requirements for electrical energy. In addition, it can store a significant percentage of the heat energy produced, with the normal system using the remainder of the time.