Abstract
In order to make up for the shortcomings of solar energy, ground source heat pump as well as air source heat pump during heating, a new multi-complementary heating system with three heat sources is proposed. Take the Tumeteyouqi item as the object of study for program devise and load simulation on the basis of the set scheme, and TRNSYS hybrid heating system is established. The main parameters of the air source heat pump and the solar collector are optimized, and the hooke-Jeewes and Coordinate descent optimization algorithms are used to optimize the annual value of system costs, and the two algorithms are compared. Results are included the Collector area of 80m2, the Collector of 42.1875 ° inclination, Azimuth Angle of 10°. The unit area is homologous and the volume of the water box is 0.10125. The capacity of the water tank is 8.1 m3, and the heat quantity of the air source heat pump is 286200kj/h. The system reaches the optimum, and the annual value of the heating cost is reduced by 3.8%. Then the supply heating cost is reduced by 4.96%. The Hooke-Jeewes algorithm is superior to the Coordinate descent algorithm.
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