、开采成本较低及环境友好型等诸多优点[4]。地热能发电相比利用煤作为燃料的热力发电厂及核电厂相比,具有发电成本低、不产生大气污染物、无辐射隐患等先天优势。二十世纪初,Prince Piero Ginori Conti 利用地热蒸气开发出发电功率 10kW 的地热能发电机组[5],十年后创建了世界上首个进入商业化运行阶段的 250kW 级别的地热能发电Р1Р表 1-1 中国各类新能源开发利用现状РTab. 1- 1 Status of various types of new energy development and utilization of ChinaРEarlyРThechnologies?R&D?DemonstrationР?РcommercializedР?CommercializedРSmall hydro power?△РSolar water heater?△РPassive solar house?△РSolar stove?△РSolar drier?△РSolar PV system?△РGrid-connected windР△РturbineРOff-grid small wind turbine?△РGeothermal power?△РGeothermal space heating?△РBiomass cook stove?△РHousehold biogas?△РBiogas plants?△РBiomass gasification?△РBiomass briquette?△РBiodiesel?△РBio-ethanol?△РWave power generation?△РOcean thermal energyР△РconversionР站 Larderello 发电站[6]。此后,世界范围内应用地热发电的装机容量不断增加,根Р2
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