Table 5.
Subsystem a ) | Energetic evaluation | Exergetic evaluation | ||||||
---|---|---|---|---|---|---|---|---|
Input [kW] | Output [kW] | Loss [kW] | Thermal efficiency | Input [kW] | Output [kW] | Destruction [kW] | Exergy efficiency | |
Heliostat field | 64 358 | 41 369 | 22 989 | 64.27% | 60 094 | 38 628 | 21 465 | 64.27% |
Solar receiver | 41 369 | 31 027 | 10 342 | 75% | 38 628 | 22 515 | 16 113 | 58.28% |
Combined cycle | 31 027 | 16 341 | 15 786 | 52.66% | 22 515 | 16 431 | 7586 | 72.97% |
Overall power plant | 64 358 | 16 341 | 49 117 | 25.39% | 60 094 | 16 431 | 43 663 | 27.34% |
a)T1 = 800 °C, T10 = 180 °C, DNI = 850 W m−2.