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首页> 外文期刊>Energy Conversion & Management >Thermoeconomic assessment of a solar polygeneration plant for electricity, water, cooling and heating in high direct normal irradiation conditions
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Thermoeconomic assessment of a solar polygeneration plant for electricity, water, cooling and heating in high direct normal irradiation conditions

机译：太阳能多联产电厂在直接高正常辐射条件下的电，水，冷却和加热的热经济评估

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摘要

A thermoeconomic assessment of the joint production of electricity, fresh-water, cooling and heat for a solar polygeneration plant is carried out. The aims are to assess the actual cost of each product, to conduct a sensitivity analysis of investment, fuel cost and demand, and to evaluate the effects of solar field size and the sizing of thermal energy storage, for a polygeneration plant located in an area with high solar irradiation conditions and where there is demand for its production. The solar polygeneration plant is configured by a concentrated solar power (CSP) parabolic trough collector field with thermal energy storage and backup system, multi-effect distillation (MED) module, single-effect absorption refrigeration module, and process heat module. The solar polygeneration plant is simulated in a transient regime, in a representative location with high irradiation conditions, such as in northern Chile. Three configurations are investigated: two polygeneration schemes and one considering stand-alone systems. This study reveals that a solar polygeneration plant is more efficient and cost-effective than stand-alone plants for a zone with high irradiation conditions and proximity to consumption centers, such as mining industries, which require continuous operation and energy supply with fundamentally constant demand. Furthermore, according to northern Chilean market, solar polygeneration configurations are competitive regarding electricity, fresh-water, cooling and heat productions. Additionally, solar polygeneration plants can increase the economic profit by selling carbon credits and credits of renewable-energy quotas based on the Kyoto Protocol and Chilean legislation, respectively.
机译：对太阳能多联产电厂的电力，淡水，冷却和热能联合生产进行了热经济评估。目的是评估位于某个地区的多联产发电厂的每种产品的实际成本，进行投资，燃料成本和需求的敏感性分析，并评估太阳能场大小和储热规模的影响。在太阳辐射高的条件下以及有生产需求的地方。该太阳能多联产电厂由具有热能存储和备用系统，多效蒸馏（MED）模块，单效吸收式制冷模块和过程加热模块的集中太阳能（CSP）抛物槽收集器场构成。该太阳能多联产电厂是在瞬态状态下，在具有高辐照条件的代表性位置（例如智利北部）进行模拟的。研究了三种配置：两种多联产方案和一种考虑独立系统的方案。这项研究表明，对于辐射条件高且靠近消费中心（例如采矿业）的区域，太阳能多联产电厂比独立式电厂效率更高且更具成本效益，而采矿中心需要连续运行且能源供应基本恒定。此外，根据智利北部市场，太阳能多联产配置在电力，淡水，冷却和供热方面具有竞争力。此外，太阳能多联产发电厂可以通过出售分别基于《京都议定书》和智利立法的碳信用额度和可再生能源配额信用额度来增加经济利益。

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