OPTIMIZATION ON SOLAR HEAT PUMP COMBINED WITH WIND POWER THERMAL STORAGE HEATING SYSTEM

Liu Han; Ma Xiaojing; Wang Hongwei; Song Fan; He Hang

doi:10.19912/j.0254-0096.tynxb.2021-0419

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (10) : 104-112. DOI: 10.19912/j.0254-0096.tynxb.2021-0419

OPTIMIZATION ON SOLAR HEAT PUMP COMBINED WITH WIND POWER THERMAL STORAGE HEATING SYSTEM

Liu Han¹, Ma Xiaojing¹, Wang Hongwei², Song Fan¹, He Hang¹

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Abstract

A solar heat pump combined with a wind power thermal storage system is designed, and a dynamic model of the system is established. To obtain the maximum solar radiation and minimum life cycle cost, four different algorithms are used to simultaneously optimize the key parameters which include collector azimuth angle （CAA）, collector area （CA）, tank volume （TV1、TV2）, heat pump power （HP1、HP2） and electric boilers power （BP）. This research takes a heating system of an administrative building in Urumqi as an object and gives a calculation example. The results show that the Hooke-Jeeves method is optimal. The system obtains the maximum heating season radiation when CTA isφ-6°（φ is local latitude） and CAA isα-2.5°（α=0° means due south）. The system obtains the minimum life cycle cost when TV₂/BP is 69.8 L/kW, TV₁ /CA is 86.4 L/m², and （HP₁+HP₂）/CA is 125.6 W/m². Compared with the initial system, the life cycle cost of the optimized system can be saved up to 11.8%.

Key words

solar energy / heat pump systems / boilers-electric heating / heating-heat storage / optimization / TRNSYS / wind power thermal storge heating

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Liu Han, Ma Xiaojing, Wang Hongwei, Song Fan, He Hang. OPTIMIZATION ON SOLAR HEAT PUMP COMBINED WITH WIND POWER THERMAL STORAGE HEATING SYSTEM[J]. Acta Energiae Solaris Sinica. 2022, 43(10): 104-112 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0419

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