Mbayoni, Mwansa (2016) Design, Construction and Evaluation of a Parabolic Concentrator – Photovoltaic (PV) System with Improved Efficiency. Masters thesis, University of Zambia.
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Abstract
One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on theOne of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on One of the major problems in concentrating solar radiation on Photovoltaic (PV) Photovoltaic (PV) Photovoltaic (PV) Photovoltaic (PV) Photovoltaic (PV) Photovoltaic (PV) module is the uneven illumination of solar cells. module is the uneven illumination of solar cells.module is the uneven illumination of solar cells.module is the uneven illumination of solar cells. module is the uneven illumination of solar cells. module is the uneven illumination of solar cells. module is the uneven illumination of solar cells.module is the uneven illumination of solar cells.module is the uneven illumination of solar cells. module is the uneven illumination of solar cells. module is the uneven illumination of solar cells. module is the uneven illumination of solar cells. module is the uneven illumination of solar cells. module is the uneven illumination of solar cells.module is the uneven illumination of solar cells. module is the uneven illumination of solar cells. module is the uneven illumination of solar cells.module is the uneven illumination of solar cells.module is the uneven illumination of solar cells.module is the uneven illumination of solar cells. module is the uneven illumination of solar cells. The non The non The non – uniform irradiance uniform irradianceuniform irradiance uniform irradiance uniform irradianceuniform irradiance uniform irradiance creates hot spots on the module andcreates hot spots on the module and creates hot spots on the module andcreates hot spots on the module andcreates hot spots on the module andcreates hot spots on the module and creates hot spots on the module and creates hot spots on the module and creates hot spots on the module and creates hot spots on the module and creates hot spots on the module and creates hot spots on the module andcreates hot spots on the module and creates hot spots on the module andcreates hot spots on the module andcreates hot spots on the module andcreates hot spots on the module and increases its temperature. The high temperature increases its temperature. The high temperatureincreases its temperature. The high temperatureincreases its temperature. The high temperature increases its temperature. The high temperature increases its temperature. The high temperatureincreases its temperature. The high temperature increases its temperature. The high temperature increases its temperature. The high temperature increases its temperature. The high temperature increases its temperature. The high temperature increases its temperature. The high temperature increases its temperature. The high temperatureincreases its temperature. The high temperature increases its temperature. The high temperatureincreases its temperature. The high temperatureincreases its temperature. The high temperatureincreases its temperature. The high temperature increases its temperature. The high temperature increases its temperature. The high temperature results in a lower efficiency and increase results in a lower efficiency and increase results in a lower efficiency and increase results in a lower efficiency and increase results in a lower efficiency and increaseresults in a lower efficiency and increaseresults in a lower efficiency and increase results in a lower efficiency and increase results in a lower efficiency and increaseresults in a lower efficiency and increaseresults in a lower efficiency and increase results in a lower efficiency and increaseresults in a lower efficiency and increaseresults in a lower efficiency and increase results in a lower efficiency and increaseresults in a lower efficiency and increaseresults in a lower efficiency and increaseresults in a lower efficiency and increase results in a lower efficiency and increase results in a lower efficiency and increaseresults in a lower efficiency and increaseresults in a lower efficiency and increase s the s the s the degradation rat degradation ratdegradation ratdegradation ratdegradation rat degradation rat degradation rat degradation rat degradation rate of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To e of the PV module. To solve both solve both problem roblems, a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) a Parabolic Trough Solar Concentrator (PTSC) was designed and was designed and was designed and was designed and was designed and was designed and was designed and was designed and was designed and was designed and was designed and was designed and co nstructed from locally available materials nstructed from locally available materials nstructed from locally available materialsnstructed from locally available materials nstructed from locally available materials nstructed from locally available materials nstructed from locally available materialsnstructed from locally available materialsnstructed from locally available materialsnstructed from locally available materials nstructed from locally available materials nstructed from locally available materialsnstructed from locally available materials nstructed from locally available materials nstructed from locally available materials nstructed from locally available materials . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator . The configured Parabolic Concentrator Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s Photovoltaic (PV) system’s efficiency efficiency efficiency efficiency efficiency efficiency efficiency was evaluated was evaluated was evaluated was evaluated was evaluated was evaluated was evaluated was evaluated using diffuse reflector materials using diffuse reflector materialsusing diffuse reflector materials using diffuse reflector materials using diffuse reflector materialsusing diffuse reflector materialsusing diffuse reflector materials using diffuse reflector materials using diffuse reflector materialsusing diffuse reflector materials using diffuse reflector materials using diffuse reflector materials using diffuse reflector materials (aluminium f (aluminium f (aluminium f (aluminium f oi l, rolled aluminium and g l, rolled aluminium and gl, rolled aluminium and g l, rolled aluminium and g l, rolled aluminium and g l, rolled aluminium and g alvanisalvanis ed aed a ed aluminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. luminium) as reflecting surfaces. Use of diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased diffuse reflector materials resulted in an increased and even and even and even and even and even irradiance irradianceirradiance irradiance irradiance on the PV PV PV module compared to module compared to module compared to module compared to module compared to module compared to module compared to module compared to a module without concentrationa module without concentrationa module without concentration a module without concentrationa module without concentrationa module without concentration a module without concentrationa module without concentrationa module without concentration a module without concentrationa module without concentration a module without concentration a module without concentration . Aluminium f Aluminium f Aluminium fAluminium foil recorded the oil recorded the oil recorded the oil recorded the oil recorded the oil recorded the oil recorded the oil recorded the oil recorded the oil recorded the highest irradiation highest irradiation highest irradiation highest irradiation highest irradiation highest irradiation of 2148.62W/of 2148.62W/ of 2148.62W/ of 2148.62W/m2 andand module temperature module temperaturemodule temperaturemodule temperature module temperaturemodule temperaturemodule temperature of 52.9 of 52.9of 52.9 of 52.9oC. Rolled Rolled Rolled Rolled Rolled aluminium luminium luminium recorded irradiance recorded irradiancerecorded irradiance recorded irradiance recorded irradiance recorded irradiance recorded irradiancerecorded irradiance recorded irradiance of of 2133.20W/m 2133.20W/m 2 and and a temperature of 47.8 temperature of 47.8 temperature of 47.8 temperature of 47.8temperature of 47.8 temperature of 47.8temperature of 47.8 oC. This . This would be attributed to ould be attributed to ould be attributed toould be attributed toould be attributed to ould be attributed to ould be attributed to ould be attributed to their their their high t high t high total integrated reflectance otal integrated reflectance otal integrated reflectanceotal integrated reflectanceotal integrated reflectanceotal integrated reflectanceotal integrated reflectance otal integrated reflectanceotal integrated reflectanceotal integrated reflectance otal integrated reflectanceotal integrated reflectance otal integrated reflectanceotal integrated reflectance 95.4% , aluminium faluminium f aluminium faluminium f aluminium faluminium foil oil andand 86.7% for rolled aluminium. 86.7% for rolled aluminium.86.7% for rolled aluminium. 86.7% for rolled aluminium.86.7% for rolled aluminium. 86.7% for rolled aluminium. 86.7% for rolled aluminium.86.7% for rolled aluminium. 86.7% for rolled aluminium. 86.7% for rolled aluminium. Galvanis Galvanis ed aed a ed aluminium recorded irradiance luminium recorded irradiance luminium recorded irradiance luminium recorded irradiance luminium recorded irradianceluminium recorded irradiance luminium recorded irradianceluminium recorded irradianceluminium recorded irradiance luminium recorded irradiance luminium recorded irradianceluminium recorded irradiance luminium recorded irradiance of of 1655 .0 W/mW/m 2 and the lowest temperature of 29.6and the lowest temperature of 29.6 and the lowest temperature of 29.6 and the lowest temperature of 29.6and the lowest temperature of 29.6 and the lowest temperature of 29.6and the lowest temperature of 29.6 and the lowest temperature of 29.6 and the lowest temperature of 29.6 and the lowest temperature of 29.6 oC. C. Its total integrated reflectancIts total integrated reflectanc Its total integrated reflectanc Its total integrated reflectancIts total integrated reflectancIts total integrated reflectancIts total integrated reflectancIts total integrated reflectanc Its total integrated reflectancIts total integrated reflectanc Its total integrated reflectancIts total integrated reflectancIts total integrated reflectancIts total integrated reflectanc e was 77.3%. e was 77.3%. e was 77.3%. e was 77.3%. e was 77.3%. Galvanis Galvanis ed aluminiumed aluminium ed aluminiumed aluminium ed aluminium ed aluminium showed the showed the showed the highest efficiency of highest efficiency ofhighest efficiency of highest efficiency of highest efficiency ofhighest efficiency ofhighest efficiency of highest efficiency ofhighest efficiency of highest efficiency ofhighest efficiency ofhighest efficiency of 15.1%, aluminium f 15.1%, aluminium f15.1%, aluminium f 15.1%, aluminium f15.1%, aluminium f 15.1%, aluminium f 15.1%, aluminium f 15.1%, aluminium foil gavegavegavegave 13.5% and rolled a 13.5% and rolled a13.5% and rolled a13.5% and rolled a 13.5% and rolled a 13.5% and rolled a 13.5% and rolled alum inum 12.7 inum 12.7inum 12.7 % compared to the % compared to the % compared to the % compared to the % compared to the % compared to the % compared to the % compared to the solar module solar module solar module solar module without the without the without the without the concentrator whichconcentrator which concentrator whichconcentrator which concentrator whichconcentrator which concentrator which concentrator which showed an showed an showed anshowed an efficiency efficiency efficiency efficiency efficiency efficiency efficiency of 11.3of 11.3 of 11.3of 11.3 %. Hence, g . Hence, g . Hence, g . Hence, g. Hence, g . Hence, galvanisalvanis ed aed a ed aluminium was luminium was luminium was luminium was luminium was luminiumthe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radithe best diffuse reflector material as it scattered solar radi the best diffuse reflector material as it scattered solar radi ation on the module whichation on the module which ation on the module which ation on the module which ation on the module which ation on the module which ation on the module whichation on the module whichation on the module which ation on the module which resulted resulted resultedresulted in the lower modu in the lower modu in the lower modu in the lower modu in the lower modu le temperature and increased le temperature and increased le temperature and increased le temperature and increased le temperature and increasedle temperature and increasedle temperature and increased le temperature and increasedle temperature and increased le temperature and increased le temperature and increasedle temperature and increasedle temperature and increasedle temperature and increased efficiencyefficiencyefficiency efficiency efficiency of the Parabolic of the Parabolic of the Parabolic of the Parabolic of the Parabolic of the Parabolic of the Parabolic of the Parabolic of the Parabolic of the Parabolic of the Parabolic Concentrator Photovoltaic (PV) systemConcentrator Photovoltaic (PV) system Concentrator Photovoltaic (PV) systemConcentrator Photovoltaic (PV) system Concentrator Photovoltaic (PV) system Concentrator Photovoltaic (PV) system Concentrator Photovoltaic (PV) system Concentrator Photovoltaic (PV) system Concentrator Photovoltaic (PV) systemConcentrator Photovoltaic (PV) system Concentrator Photovoltaic (PV) system Concentrator Photovoltaic (PV) systemConcentrator Photovoltaic (PV) system .
| Item Type: | Thesis (Masters) |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Africana |
| Depositing User: | Geoffrey Obatsa |
| Date Deposited: | 17 Dec 2018 12:33 |
| Last Modified: | 17 Dec 2018 12:33 |
| URI: | http://thesisbank.jhia.ac.ke/id/eprint/8678 |
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