Feasibility analysis of thermal and electrical multigeneration energy supply system for existing single building

The traditional energy supply method of building in northwest rural area is inconvenient and the environment pollution is serious. Taking a 150m ² single building in a new village in Zhangye City, Gansu Province as the research object, this paper designed a set of thermal and electrical multigeneration energy supply system which uses solar energy and biomass energy as input energy and effectively combines photovoltaic power generation system, solar heating system and solar thermostatic biogas production device. TRNSYS software was used to simulate the operation of the system. The system can run normally, the room temperature and solar irradiance curves are obtained, and the performance of the system is analyzed. The design can solve the shortage of energy supply in the northwest countryside, and build a multi-generation heating system for the new rural single buildings, which can continuously and stably supply heat, power and biogas to users.