Energy efficiency assessment of hybrid solar-geothermal power plant
An assessment of the energy efficiency of a hybrid solar-geothermal power plant is performed taking into account the geothermal resource of one of the productive well (TD4) and the direct normal irradiance at Tendaho geothermal site in Ethiopia. A thermodynamic model of a single-flash geothermal pla...
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Kazan State Power Engineering University
2019-12-01
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| Series: | Известия высших учебных заведений: Проблемы энергетики |
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| Online Access: | https://www.energyret.ru/jour/article/view/1078 |
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| author | B. D. Gemechu V. I. Sharapov |
| author_facet | B. D. Gemechu V. I. Sharapov |
| author_sort | B. D. Gemechu |
| collection | DOAJ |
| description | An assessment of the energy efficiency of a hybrid solar-geothermal power plant is performed taking into account the geothermal resource of one of the productive well (TD4) and the direct normal irradiance at Tendaho geothermal site in Ethiopia. A thermodynamic model of a single-flash geothermal plant integrated with a parabolic trough concentrated solar power system is developed to estimate the energy production in a hybrid solar-geothermal power plant. In the hybrid power plant, the parabolic trough concentrated solar power system is employed to superheat the geothermal steam in order to gain more energy before it expands in the turbine. Thermodynamic analysis, based on the principles of mass and energy conservation, was performed to assess the efficiency of the hybrid power plant at the given conditions of Tendaho geothermal site. A figure of merit analysis was also employed to evaluate whether a hybrid power plant could produce more power than two stand-alone power plants namely the solar and geothermal power plants that constitute the hybrid power plant. Results showed that the hybrid power plant technically outperformed the two stand-alone power plants. By integrating the two energy resources, the hybrid power plant proved to generate 7158 kW of electricity which is larger than the sum of the two stand-alone power plants (geothermal and solar). |
| format | Article |
| id | doaj-art-e5a647ef8b794d66bad965cf8cdf9f38 |
| institution | Kabale University |
| issn | 1998-9903 |
| language | English |
| publishDate | 2019-12-01 |
| publisher | Kazan State Power Engineering University |
| record_format | Article |
| series | Известия высших учебных заведений: Проблемы энергетики |
| spelling | doaj-art-e5a647ef8b794d66bad965cf8cdf9f382024-11-26T11:39:39ZengKazan State Power Engineering UniversityИзвестия высших учебных заведений: Проблемы энергетики1998-99032019-12-0121431110.30724/1998-9903-2019-21-4-3-11599Energy efficiency assessment of hybrid solar-geothermal power plantB. D. Gemechu0V. I. Sharapov1Ulyanovsk State Technical UniversityUlyanovsk State Technical UniversityAn assessment of the energy efficiency of a hybrid solar-geothermal power plant is performed taking into account the geothermal resource of one of the productive well (TD4) and the direct normal irradiance at Tendaho geothermal site in Ethiopia. A thermodynamic model of a single-flash geothermal plant integrated with a parabolic trough concentrated solar power system is developed to estimate the energy production in a hybrid solar-geothermal power plant. In the hybrid power plant, the parabolic trough concentrated solar power system is employed to superheat the geothermal steam in order to gain more energy before it expands in the turbine. Thermodynamic analysis, based on the principles of mass and energy conservation, was performed to assess the efficiency of the hybrid power plant at the given conditions of Tendaho geothermal site. A figure of merit analysis was also employed to evaluate whether a hybrid power plant could produce more power than two stand-alone power plants namely the solar and geothermal power plants that constitute the hybrid power plant. Results showed that the hybrid power plant technically outperformed the two stand-alone power plants. By integrating the two energy resources, the hybrid power plant proved to generate 7158 kW of electricity which is larger than the sum of the two stand-alone power plants (geothermal and solar).https://www.energyret.ru/jour/article/view/1078ethiopiageothermal energysolar energygeothermal power plantparabolic trough collectorconcentrated solar power planthybrid powerplantefficiencyfigure of merit |
| spellingShingle | B. D. Gemechu V. I. Sharapov Energy efficiency assessment of hybrid solar-geothermal power plant Известия высших учебных заведений: Проблемы энергетики ethiopia geothermal energy solar energy geothermal power plant parabolic trough collector concentrated solar power plant hybrid powerplant efficiency figure of merit |
| title | Energy efficiency assessment of hybrid solar-geothermal power plant |
| title_full | Energy efficiency assessment of hybrid solar-geothermal power plant |
| title_fullStr | Energy efficiency assessment of hybrid solar-geothermal power plant |
| title_full_unstemmed | Energy efficiency assessment of hybrid solar-geothermal power plant |
| title_short | Energy efficiency assessment of hybrid solar-geothermal power plant |
| title_sort | energy efficiency assessment of hybrid solar geothermal power plant |
| topic | ethiopia geothermal energy solar energy geothermal power plant parabolic trough collector concentrated solar power plant hybrid powerplant efficiency figure of merit |
| url | https://www.energyret.ru/jour/article/view/1078 |
| work_keys_str_mv | AT bdgemechu energyefficiencyassessmentofhybridsolargeothermalpowerplant AT visharapov energyefficiencyassessmentofhybridsolargeothermalpowerplant |