Long term outdoor performances of three different on-grid PV arrays in central Anatolia – An extended analysis

Özden, Talat; Akinoglu, Bülent G.; Turan, Raşit

doi:10.1016/j.renene.2016.08.045

Cited by 74 publications

(41 citation statements)

References 32 publications

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“…The performance ratio of the CdTe modules is 9% lower in the cold part of the year than in the warm part; however, a decrease of PR is observed under the highest irradiation and temperature (June to August). Overheating of CdTe modules was indicated as one of the degradation reasons in study performed in Turkey [6] where this type of modules exhibited also poor PR of 42% and efficiency of 4.2% in the fourth year of the operation, similarly to the results of analysis presented here. In literature, the effect of high temperature was a decrease of the yield of 1% for CdTe in the study performed in Netherlands [16], but summer gains were observed as well [15].…”

Section: Discussionsupporting

confidence: 83%

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Performance Assessment of Four Different Photovoltaic Technologies in Poland

Zdyb

Gulkowski

2020

Energies

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Due to the observed increase of photovoltaic installations capacity in Poland, the research on the performance of different modules became an important issue from the practical and scientific point of view. This paper is intended to help system planners to choose photovoltaic modules and inverters taking into account the actual operating conditions. The study is devoted to the assessment of four different technologies of photovoltaic modules: polycrystalline silicon (pc-Si), amorphous silicon (a-Si), copper indium gallium selenide (CIGS), and cadmium telluride (CdTe). The data was collected at a solar plant located at high latitude location, in the eastern part of Poland, during the fourth year of the plant operation. The influence of irradiance on the temperature and efficiency of modules was studied. The results show that the efficiency of the pc-Si and CIGS modules decreases with rising temperature; however, the efficiency of the a-Si and CdTe modules is more stable. The impact of changing external conditions on the inverter efficiency as well as array and system losses during various seasons of the year was shown. The inverter efficiency reaches up to 98% in summer and drops as low as 30% in winter. Small average array capture losses of 7.41 (kWh/kWp)/month (0.25 h/day) are observed for the CIGS and 10.4 (kWh/kWp)/month (0.35 h/day) for pc-Si modules. The a-Si and CdTe array losses are higher, up to 2.83 h/day for CdTe in summer. The results indicate high annual energy yields of the pc-Si and CIGS modules, 1130 kWh/kWp and 1140 kWh/kWp, respectively. This research provided new data on pc-Si and especially the performance of the thin film modules and losses in a photovoltaic installation under temperate climate.

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Section: Discussionsupporting

confidence: 83%

“…Regarding the technology-dependent degradation, 1% degradation is reported for the crystalline silicon and a-Si modules, 0.6% for the CdTe and 0.5% for the CIGS modules [43]. On average, the degradation rate is in the range 4.5%-6% and even 10% in the case of CdTe [6,[44][45][46].…”

Section: Discussionmentioning

confidence: 96%

Performance Assessment of Four Different Photovoltaic Technologies in Poland

Zdyb

Gulkowski

2020

Energies

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“…This kind of system has no moving parts, so the maintenance cost is very little [3,4]. Due to its advantages, photovoltaic (PV) energy production has experienced a rapid growth all over the world in recent years, and, according to the policies of particular countries, a number of photovoltaic (PV) power plants increases [5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Experimental Efficiency Analysis of a Photovoltaic System with Different Module Technologies under Temperate Climate Conditions

2019

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This study presents a comparative analysis of energy production over the year 2015 by the grid connected experimental photovoltaic (PV) system composed by different technology modules, which operates under temperate climate meteorological conditions of Eastern Poland. Two thin film technologies have been taken into account: cadmium telluride (CdTe) and copper indium gallium diselenide (CIGS). Rated power of each system is approximately equal to 3.5 kWp. In addition, the performance of a polycrystalline silicon technology system has been analyzed in order to provide comprehensive comparison of the efficiency of thin film and crystalline technologies in the same environmental conditions. The total size of the pc-Si system is equal to 17 kWp. Adequate sensors have been installed at the location of the PV system to measure solar irradiance and temperature of the modules. In real external conditions all kinds of modules exhibit lower efficiency than the values provided by manufacturers. The study reveals that CIGS technology is characterized by the highest energy production and performance ratio. The observed temperature related losses are of the lowest degree in case of CIGS modules.

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“…Value of PR shows how close it approaches from perfect performance through actual work and permits comparison of Photovoltaic solar systems regardless of orientation, tilt angle, and their rated power capacity [21]. PR can be found as the ratio of the (Y F ) over (Yr), it given as [22].…”

Section: Performance Ratio (Pr)mentioning

confidence: 99%

Efficiency and Performance Improvement Via Using Optical Reflectors of On-Grid CIGS PV Solar System

Abed¹,

Hussain²,

Kasim³

2020

Karbala International Journal of Modern Science

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CIGS PV solar module is a thin film technology (second generation) that is fabricated from Copper-Indium Gallium Selenide. CIGS an abbreviation of C Copper-I Indium G Gallium S Selenide. The system, with which reflectors are incorporated, is 5kWp On-Grid CIGS PV Solar system is located at Al Mansour company, Iraq-Baghdad (latitude 33.3°N, longitude 44.4°E and 41m above the sea level). This study improves performance ratio, array efficiency, electrical power and current. All these improvements are done via increasing solar irradiance by using optical reflectors (fabricates from aluminum metal). The maximum values (at 12:00PM) of the improved and reference performance ratio, power, current and efficiency are 99% and 76.20%,1.959W and 1.508W, 5.145A and 3.9A, 15% and 11.60% respectively, while the maximum value of solar irradiance and panel temperature for improved and reference systems at 12:00 PM are 1118.9 W/m 2 and 844.8 W/m 2 ,64 O C and 58 O C respectively where the air temperature is 37 O C. The minimum value (at 6:00 PM) of the improved and reference performance ratio, power, current and efficiency are 9%and 8.80%, 0.179W and 0.173W, 0.189A and 0.184A, and 1.40% and 1.30%, while the solar irradiance and panel temperature for improved and reference systems at 6:00 PM are 93W/m 2 and 90.8 W/m 2 , 36 O C and 35.8 O C. The maximum values of gains (at 12:00PM) for performance ratio, power, current and efficiency, solar irradiance and panel temperature are 22.8%, 30%, 31.9%, 3.4%, 32.4% and 6 O C. The current study is achieved under clear sky conditions. The novelty in current study is that the improved part performance is 99% which is very close to the standard performance that is 100%, where the reference part performance is 76.2%.

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Long term outdoor performances of three different on-grid PV arrays in central Anatolia – An extended analysis

Cited by 74 publications

References 32 publications

Performance Assessment of Four Different Photovoltaic Technologies in Poland

Performance Assessment of Four Different Photovoltaic Technologies in Poland

Experimental Efficiency Analysis of a Photovoltaic System with Different Module Technologies under Temperate Climate Conditions

Efficiency and Performance Improvement Via Using Optical Reflectors of On-Grid CIGS PV Solar System

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