Geothermal power is an important renewable energy source. China possesses complex geological conditions and geothermal resources. For better utilization of this energy, the performance of single and double geothermal power systems including single and two-stage flash system, binary power system and flash-binary power system is analyzed and compared on the basis of numerical calculation. The results show that the performance of direct cooling system is better than that of indirect cooling system; the power output of double energy conversion system is higher than that of single system. Double energy conversion system is a better choice when the geothermal temperature is high. The optimum flash temperature of the flash-binary system is higher than that of other systems, which is helpful to reducing equipment volume and keeping appropriate system pressure. The results of this study provide theoretical basis and simulation verification for applications of geothermal energy.
LUO Chao
,
MA Weibin
. Single and Double Energy Conversion of Geothermal Power Generation[J]. Science & Technology Review, 2014
, 32(14)
: 35
-41
.
DOI: 10.3981/j.issn.1000-7857.2014.14.005
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