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首页> 外文期刊>Renewable Power Generation, IET >Role of power to liquids and biomass to liquids in a nearly renewable energy system
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Role of power to liquids and biomass to liquids in a nearly renewable energy system

机译：在几乎可再生的能源系统中，电力对液体的作用以及生物质对液体的作用

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摘要

In order to achieve significant greenhouse gas emission reductions, decarbonisation of all economic sectors must be considered. Here, the authors study the provision of renewable energy for the power, district heating, transport and industrial sectors in nine North European countries by integrating a large amount of wind and solar power into the system with power-to-gas and power-to-fuel plants enabling balancing and sector coupling. Simultaneous optimisation of plant capacities and operation was performed. Two different synthetic liquid fuel production pathways were compared. The cost of synthetic liquid fuel remained, depending on the production pathway and amount, 30-120% higher than estimated fossil alternative cost. Biomass potential emerged as a limiting factor with high shares of biomass-based synthetic liquid fuel production. The need for energy storage system was estimated. The total optimal capacity of synthetic natural gas, hydrogen, synthetic liquid fuel, and heat storages varied between 37 and 54 TWh (1.7-2.5% of energy demand) depending on the scenario, when emergency stocks were not included. The cost of energy storages remained small compared to the total system cost, with heat storages exhibiting the highest cost.
机译：为了实现显着的温室气体减排，必须考虑所有经济部门的脱碳。在这里，作者研究了通过将大量的风能和太阳能整合到系统中的发电，供气和发电的方式，为北欧九个国家的电力，区域供热，运输和工业部门提供可再生能源。燃料工厂实现平衡和部门耦合。同时进行了工厂产能和运营的优化。比较了两种不同的合成液体燃料生产途径。剩余的合成液体燃料成本取决于生产途径和数量，比估计的化石替代成本高30-120％。生物质潜力已成为限制因素，而基于生物质的合成液体燃料生产所占比例很高。估计需要储能系统。合成天然气，氢气，合成液体燃料和储热装置的最佳总容量在37到54 TWh（占能源需求的1.72-2.5％）之间变化，具体情况视情况而定，其中不包括应急储备。与系统总成本相比，储能的成本仍然很小，其中储热的成本最高。

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