Phase change energy storage combined cooling, heating and power system constructed. Optimized in two respects: system structure and operation strategy. The system design is optimized based on GA + BP neural network algorithm. Full-load operation strategy has good economic, energy and environmental benefits.
This study presents a phase change energy storage CCHP system developed to improve the economic, environmental and energy performance of residential buildings in five climate zones in China. A full-load operation strategy is implemented considering that the existing operation strategy is susceptible to the mismatch of thermoelectric loads.
The optimization indexes of the phase change energy storage systems in each climate zone under the full-load operation strategy are shown in Fig. 9. As can be seen from the figure, the energy savings of the phase change energy storage CCHP systems in all five cities are obtained under the full-load operation strategy.
In the phase change energy storage CCHP system, energy consumption originates from natural gas and purchased electricity from the grid. Since the measurement units of electricity and natural gas are different, this study uses the primary energy conversion factor to uniformly convert natural gas and electricity into direct energy.
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Modern power grids are increasingly integrating sustainable technologies, such as distributed generation and electric vehicles. This evolution poses significant challenges for …
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In Chapter 1, energy storage technologies and their applications in power sys-tems are briefly introduced. In Chapter 2, based on the operating principles of three types of energy …
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At the technical level, a mathematical model of gas–liquid phase change CES coupled with wind and solar is established to enhance renewable energy absorption.
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On the basis of a large number of literature, this paper reviews the classification of energy storage technology, the development process, classification, characteristics and …
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The phasing operation of pumped storage units can improve the stability and reliability of the new power system, but the frequency and time length of phase modulation …
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Under the background of power system energy transformation, energy storage as a high-quality frequency modulation resource plays an important role in the new power system [1,2,3,4,5] the …
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The station was built in two phases; the first phase, a 100 MW/200 MWh energy storage station, was constructed with a grid-following design and was fully operational in June …
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Phase change cooling in data centers: A review Besides, numerical simulations of different energy storage units by changing the phase change unit structures are carried out with FLUENT …
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Abstract This paper proposed a dynamic model-based configuration and operation optimization method for an renewable integrated energy system (IES) containing heat pump …
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The use of a box-type phase change energy storage thermal store as a thermal energy storage device allows for a certain degree of cost savings due to the low operating …
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