Due to the irregular nature of solar resource, solar photovoltaic (PV) system alone can not satisfy load on a 24/7demand basis, especially with increasing regional population in developing countries such as Thailand. A hybrid solar PV/biomass based along with battery storage system has been drawing more attention to option since it promises great deal of challenges and opportunities for different rural areas. Thailand rich with higher level of agricultural crops and biomass materials is a prospective candidate for deployment of bio-power to complement such hybrid systems. To this end, in this study a customized hybrid power system integrating solar, biomass (syngas) power and battery storage system is evaluated a containerized housing unit for micro off-grid application. This project shows that for a reliability of a hybrid syngas/solar PV system along with rechargeable batteries, the syngas generator can guarantee a continuous 24 h electricity supply in case of shortage of energy (during on cloudy day and at the nighttime). Two consecutive days of commissioning phase are necessary for the entire system to operate, which is a solid basis for including the syngas generator in the hybrid system. Furthermore, the smart generator has to be always synchronized during the commissioning time. Battery state of charge (SOC) in percent (%) connecting with syngas is greater than solar PV and the charging time appears significantly shorter than that one. All possible combinations between an innovation and existing systems can serve as a guideline for making similar studies in the context of different off-grid sites and more. Next, optimal scale up and design of hybrid power system for different off-grid applications will be performed including comprehensive uncertainty analysis to facilitate robust and renewable electricity generation.

The challenge of this project is to test and demonstrate on a containerized scale reliability and stability of the proposed hybrid solar PV/biomass system with battery energy storage to supply electricity under different electrical load demand during the day. The final outcome of this demonstration is indeed important to provide the local decision-makers (who have enough agricultural biomass resources) with the existing solar PV facilities to consider replacement of fossil fuels for continuous electricity supply for off-grid applications. The report is structured as follows: first the hybrid power is system presented and then the principle governing the design, configurations and operational strategies of different components of are explained in detail. A special focus is given on the section of biomass gasification via generator set to guarantee a continuous 24 h electricity supply. Next the results are presented, critically analyzed and discussed. Conclusion section outlines main findings and future perspectives from this study.

The Hutchison Medal recognises an author for a contribution to the literature that has stimulated debate within the chemical engineering community.
Source: https://www.icheme.org/knowledge/medals-and-prizes/publications

Asst.Prof.Dr. Piyapong  Hunpinyo
Division of Chemical Process Engineering Technology (CPet), Faculty of Engineering and Technology, KingMongkut’s University of Technology North Bangkok (Rayong Campus), 1st and 3rd Floor, EAT Building, Thailand 21120

Mobile: +6680-044-9344
E-mail address: piyapong.h@eat.kmutnb.ac.th (P. Hunpinyo).
 

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