PERFORMANCE ANALYSIS AND OPTIMIZATION RESEARCH OF PHOTOVOLTAIC PHOTOTHERMAL(PVT)HEAT PUMP SYSTEM
In the performance analysis and optimization research of photovoltaic photothermal(PVT)heat pump systems,the optimization design of system performance and the application of nonlinear thermodynamics are particularly important.Through the application of thermodynamic principles,an in-depth analysis of performance changes during the heating process of the system shows clear patterns.The study has found that in PVT heat pump systems,the heating efficiency ratio decreases by 3.67 and 3.92 with the heating time at frequencies of 60Hz and 35Hz,respectively;the thermal efficiency decreased by 5.13 and 2.7 respectively with the heating time.However,when moving away from the core parts of the system,the change in the heating efficiency ratio is significantly reduced.The research provides important references for the optimization design and operation of PVT heat pump systems,and lays the foundation for effective control and management of system performance.
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