A green ammonia and solar-driven multi-generation system:
Moreover, solar parabolic trough collectors and molten salt thermal energy storage are used to preheat water entering a bottoming steam-driven power generation cycle. An electrolizer is installed to separate water into hydrogen and oxygen for charging a hydrogen storage tank, procuring hydrogen for fuel cell vehicles, and producing methane by combining
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Thermodynamic evaluation of a combined cooling, heating,
Liu et al. [27] introduced solar thermal energy into a combined cooling-heat-power (CCHP) system by storing and releasing solar thermal energy and excess heat from the flue gas pipeline through a thermal storage unit. On typical days during the summer, winter and transition seasons, the system achieved primary energy savings of at least 11 % higher than
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Solar-thermal conversion and steam generation: a review
Solar energy is a green, stable and universal source of renewable energy, with wide spectrum and broad area characteristics [1] is regarded as being one of the renewable energy sources with the greatest potential to achieve sustained, high intensity energy output [1], [2].The conflict between population growth and water shortage has become one of the most
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Application Of Sliding Mode Predictive Control In
ABSTRACT Aiming at the randomness and strong disturbance of linear Fresnel solar thermal power generation system, a sliding mode predictive control strategy is proposed. First, the dynamic mathematical model of the
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Thermodynamic study of a hybrid PEMFC-solar energy multi-generation
A renewable energy multi-generation system based on proton exchange membrane fuel cell (PEMFC) and solar energy is proposed. The hybrid system is mainly composed of PEMFC, solar dish collector (SDC), solid oxide electrolyzer cell (SOEC) and dual Rankine cycle (DRC), which can provide electricity, heat, hydrogen and hot water.
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Application Status and Research of Instrumentation Device in Solar
The solar thermal power generation system adopts a dual-axis timely tracking instrument device, which realizes that the sunlight and the central axis of the heliostat instrument device are kept
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Hybrid solar energy device for simultaneous electric power
To mitigate this issue, a hybrid device has been developed, featuring a solar energy storage and cooling layer integrated with a silicon-based PV cell.
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A theoretical thermodynamic investigation on solar-operated
A suitable comparison of three modes of energy production at the expense of solar thermal energy, the first law and second law efficiencies for power generation as, combined cycle, cogeneration cycle, and tri-generation cycle system was computed at mean operating conditions and illustrated in Fig. 17. The effect of waste heat recovery is very
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Multi-mode solar photovoltaic energy utilization system for
The ideal layer thicknesses of 450 nm for the electron transport layer, 600 nm for the perovskite layer, and 30 nm for the hole transport layer, with respective carrier densities of 10 19, 10 17, and 10 18 cm −3, enabled the optimal device to achieve a short-circuit current of 34.31 mA/cm 2, an open-circuit voltage of 0.88 V, a fill factor of 85.3 %, and a power conversion
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Hierarchical control of Multi-Generation solar thermal power
This paper reports on the development of a hierarchical control strategy for a multi-generation solar plant. The plant includes a linear Fresnel reflector, an organic Rankine cycle, an absorption chiller, a thermal storage tank, circulation pumps, and valves.The hierarchical control strategy consists of three successive layers in addition to a wireless monitoring system.
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Multi-objective optimization of combined cooling, heating and power
The aim of this study is to optimize the integrated performance of a hybrid combined cooling, heating, and power system driven by natural gas as well as solar and geothermal energy resources from
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Hierarchical Control of Multi-Generation Solar Thermal Power
This paper reports on the development of a hierarchical control strategy for a multi-generation solar plant. The plant includes a linear Fresnel reflector, an organic Rankine cycle, an absorption
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Research status and future of hydro-related sustainable complementary
The research on hydro-thermal-wind-solar power generation is roughly classified and summarized in Table 7. The original problem of hydro-thermal-wind-solar power generation was divided into four sub-questions of energy, and then an effective method for achieving long-term coordination was proposed to fully meet the needs of the grid [74].
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Thermal performance analysis and multi-objective optimization
The utilization of solar energy has received extensive global attention, as reflected by advances in the fields of photovoltaic power generation, solar thermal power generation, solar desalination, solar thermal chemistry, etc. [1], [2], [3], [4].Among these technologies, solar heating system employs the clean and free solar energy to supply heat to
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Multi-energy complementary power systems based on solar
According to the form of solar energy utilization, the coupling form of solar energy and coal-fired power generation is mainly divided into three categories, which are the distributed PV and coal-fired power generating combined system [27], coal-fired power system hybridized with concentrated solar thermal system, and coal-fired power system combined with the PV/T
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Thermodynamic performances of a novel multi-mode solar-thermal
Liquid carbon dioxide energy storage is an efficient and environmentally friendly emerging technology with significant potential for integration with renewable energy sources.However, the heat recovery and utilization during compression and expansion are not implemented well. This paper proposes a multi-mode solar-thermal-assisted liquid carbon
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Monolithic multistage solar-to-steam device for tandemly
Inspired by honeycomb with excellent closed-packing structure and distinctive energy-sharing properties, a multi-stage solar-thermal-electricity cogeneration device (MSTE)
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Multi-objective energy dispatch with deep reinforcement learning
Renewable energy sources such as wind and solar energy are affected by environmental and climatic conditions, the power generation varies greatly, which may lead to major failures of the power generation system, and its own uncertainty is a major problem in the design of dispatch models [20].Existing energy dispatch models can be roughly divided into
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Advances on solar thermal cogeneration processes based on
Thermoelectric devices can be combined with solar energy systems for different usages including cooling, heating and power generation. Thermoelectric cooling driven by photovoltaic panels under the form of active walls or windows can be an interesting solution in zero energy buildings [34].For instance, Liu et al. [35] presented a new concept of a solar
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Hierarchical control of Multi-Generation solar thermal power
The novelty of this paper refers to the automatic control of the multi-generation LFR solar thermal plant through the implementation of the hierarchical control strategy. The proposed control strategy is composed of three layers; the first layer is the supervisory control layer, which is responsible for selecting the adequate operation mode of the plant taking into
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Fully inkjet-printed Ag2Se flexible thermoelectric devices for
Ag2Se-based flexible thermoelectric devices are fabricated by inkjet printing technology, which demonstrate exceptional power generation performance owing to unique patterning capability and high
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Data-driven study/optimization of a solar power and cooling generation
Data-driven study/optimization of a solar power and cooling generation system in a transient operation mode and proposing a novel multi-turbine modification concept to reduce the sun''s intermittent effect. Combining solar energy with thermal power systems is a suitable strategy for power generation and refrigeration
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Optimization of multi-energy complementary power generation
Jiang et al. (2017) conducted a study on the allocation and scheduling of multi-energy complementary generation capacity in relation to wind, light, fire, and storage. They focused on an industrial park IES and built upon traditional demand response scheduling. The study considered the cooling and heating power demand of users as generalized demand-side
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Thermal performance study of a solar-coupled phase changes thermal
Solar power generation has become the main way of renewable energy generation because of its abundant reserves, low cost and clean utilization [1, 2].Among the technologies related to solar power generation, the reliability and low cost of the organic Rankine cycle (ORC) are widely recognized [3, 4].The more efficient conventional steam Rankine cycle
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Optimizing the thermal performance of solar energy devices
Solar energy is a crucial renewable energy source that can help solve global issues. Many reasons exist to increase its energy market share [1].Popularity is growing due to its adaptability and benefits for both people and the environment [2].An hour''s amount of energy reaching the Earth equals a year''s energy consumption of the world [3].Solar energy is being
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A droplet friction/solar-thermal hybrid power generation device
Photovoltaic device is highly dependent on the weather, which is completely ineffective on rainy days. Therefore, it is very significant to design an all-weather power generation system that can
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Application of Multi-model Active Fault-tolerant Sliding Mode
Lu Xiaojuan, Dong Haiying. Application of Multi-model Active Fault-tolerant Sliding Mode Predictive Control in Solar Thermal Power Generation System. ACTA AUTOMATICA SINICA, 2017, 43(7): 1241-1247. doi: 10.16383/j.aas.2017.e150319
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Solar thermal power generation technology research
Solar photo-thermal power generation refers to the polar East–West is the suitable one axis tracking mode. The decrease of the collector''s thermal efficiency is monotonous with inlet
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Development and multi-criteria optimization of a solar thermal power
A TEG is a device that can generate electricity with a temperature difference between two sides of its surface. Despite its low efficiency, it has gained much attention recently because of its numerous benefits, including silent operation and environmentally friendliness [16] hzadi et al. [17] investigated an integrated power cycle in which there could be either a
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CN107869428A
F03G6/06 — Devices for producing mechanical power from solar energy with solar energy concentrating means F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;
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Temperature-dependent dual-mode thermal management device
The results of the field test show that the device has an average solar heating power of ~859.8 W m −2 (corresponding to ~91% solar-thermal conversion efficiency) and an average radiative
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A droplet friction/solar-thermal hybrid power generation device
Photovoltaic device is highly dependent on the weather, which is completely ineffective on rainy days. Therefore, it is very significant to design an all-weather power generation system that can utilize a variety of natural energy. This work develops a water droplet friction power generation (WDFG)/solar-thermal power generation (STG) hybrid
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MultiUse solar thermal power generators
Recent advances in thermal power generation technologies have now progressed to the point where a solar thermal power generation system can be fabricated. This system
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Multi-Energy Coordinated Operation Optimization Model for Wind-Solar
In this paper, the multi-energy complementary system coupled with wind power, photovoltaic, hydropower, thermal power and energy storage device is taken as the research object, and the optimal operation strategy is discussed. Firstly, a multi-objective optimization operation model is constructed with the objective of maximum operating revenue, minimum energy abandonment
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Thermodynamic performances of a novel multi-mode solar
This paper proposes a multi-mode solar-thermal-assisted liquid carbon dioxide energy storage system integrated with the organic Rankine cycle. Three operation modes of
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CN104153954A
The invention provides a multi-mode tower-type solar thermal power generating device. A special ceramic solar energy receiver is adopted, quicksand is used for replacing heat...
View more6 FAQs about [Multi-mode solar thermal power generation device]
Can a molecular solar thermal energy storage system be a hybrid device?
Two main issues are (1) PV systems’ efficiency drops by 10%–25% due to heating, requiring more land area, and (2) current storage technologies, like batteries, rely on unsustainably sourced materials. This paper proposes a hybrid device combining a molecular solar thermal (MOST) energy storage system with PV cell.
How does a molecular solar thermal system work?
This layer employs a molecular solar thermal (MOST) energy storage system to convert and store high-energy photons—typically underutilized by solar cells due to thermalization losses—into chemical energy. Simultaneously, it effectively cools the PV cell through both optical effects and thermal conductivity.
Can a molecular solar thermal system be combined with a PV cell?
This paper proposes a hybrid device combining a molecular solar thermal (MOST) energy storage system with PV cell. The MOST system, made of elements like carbon, hydrogen, oxygen, fluorine, and nitrogen, avoids the need for rare materials.
What is PV power generation?
Under the intelligent control strategy, PV power generation is used for heating during periods with high solar radiation, and used for domestic hot water, lighting or energy storage during periods with low solar radiation.
How efficient is a solar thermal energy storage system?
The solar thermal energy storage efficiency ηexperiment of the MOST system has been determined to reach up to 2.3%, representing the highest recorded efficiency to date. 34 Additionally, the inclusion of the MOST system as a non-heating temperature stabilizer with optical filter effect can further enhance the efficiency of the PV cell.
How are solar thermal processes used?
Solar thermal processes, on the other hand, are used in two distinct ways: electricity generation by mechanical heat engines in large power plants, and household heat supply by means of solar hot-water systems.
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