Off-design thermodynamic performances of a solar tower aided coal-fired power plant for different solar multiples with thermal energy storage
作者： Chao Li , Zhiping Yang , Rongrong Zhai , Yongping Yang , Kumar Patchigolla
DOI: 10.1016/J.ENERGY.2018.08.186
关键词: Thermal energy storage 、 Solar energy 、 Boiler (power generation) 、 Nuclear engineering 、 Environmental science 、 Coal 、 Electric power system 、 Solar power 、 Renewable energy 、 Solstice
摘要: Abstract Solar aided coal-fired power system has been proven to be a promising way utilise solar energy in large scale. In this paper, the performances of tower (STACP) at 100% load, 75% and 50% load for different days are investigated maximum that boiler can absorb under plant loads explored. Then, effects multiple (SM) thermal storage (TES) hour on daily performance STACP investigated. Results show 600 MWe 76.4 MWth, 54.2 MWth 23.0 respectively. Due augmented from field, standard coal consumption rate is reduced by 13.53 g/kWh, 12.81 g/kWh 8.22 g/kWh With an increase input, efficiency, overall efficiency thermal-to-electricity downward trend. addition, summer solstice lowest while winter highest particular SM TES hour.
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