A Comprehensive Study on Integrated Optimization Design of Combined Cooling, Heating, and Power System Coupled with Solar and Biomass Energy | Chapter 7 | Recent Developments in Engineering Research Vol.5

 This study introduces an integrated hybrid cooling, heating and power (RES-CCHP) system for renewable energy sources, powered by a biogas-fueled internal combustion engine ( ICE) and photovoltaic ( PV) panels, distinct from the conventional CCHP system for natural gas. Renewable energy sources (RES) exploration is an important way of resolving the energy and environmental crisis, which has become one of the key tasks and strategic topics of the national economy's growth. Coupled with solar energy and biomass energy, combined cooling, heating and power (CCHP) systems can meet the needs of island or rural decentralised and small-scale integrated energy uses, which have become more and more common in recent years. The conventional optimization design approach is no longer valid due to solar energy fluctuations and the limitation of the output of biomass gas. To enhance the system 's energy, economic and environmental efficiency, As optimization variables are proposed, an integrated design approach with renewable energy ability, power equipment ability and main operating parameters is proposed. In order to verify the feasibility of the proposed RES-CCHP system structure and the corresponding optimal design process, a case study of a small farm in Jinan, China is also performed. The findings show that it is energy-efficient, economical and environmentally-friendly to incorporate the optimal design. The primary energy saving ratio, gross annual cost saving rate and reduction ratio of carbon emissions are 20.94 percent, 11.73 percent and 40.79 percent , respectively. Lastly, the effect on the optimization process of the instability of renewable energy sources is analysed, which shows that the RES-CCHP system and the process proposed They're durable. By means of the optimization design proposed in this report, the RES-CCHP system will effectively stabilise the randomness and instability of solar energy and biomass energy. It can greatly increase energy efficiency and the rate of utilisation of solar and biomass energy and is ideal for supplying a decentralised rural area with energy.

Author (s) Details

Lizhi Zhang
School of Control Science and Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, China.

Fan Li
School of Control Science and Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, China.

Bo Sun
School of Control Science and Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, China.

Chenghui Zhang
School of Control Science and Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, China.

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