بدائل البحث:
a decrease » _ decreased (توسيع البحث), _ decreases (توسيع البحث)
_ decrease » _ decreased (توسيع البحث), _ decreases (توسيع البحث), _ decreasing (توسيع البحث)
100 ng » 100 nm (توسيع البحث), 10 ng (توسيع البحث), 100 mg (توسيع البحث)
a decrease » _ decreased (توسيع البحث), _ decreases (توسيع البحث)
_ decrease » _ decreased (توسيع البحث), _ decreases (توسيع البحث), _ decreasing (توسيع البحث)
100 ng » 100 nm (توسيع البحث), 10 ng (توسيع البحث), 100 mg (توسيع البحث)
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1
Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies
منشور في 2012"…It was estimated that 100 days of dust accumulation over mono-crystalline PV panels, caused the efficiency to decrease by around 10%. …"
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2
Effects of environmental and climatic conditions on PV efficiency in qatar
منشور في 2013"…It was estimated that 100 days of dust accumulation over Mono-crystalline PV panels, caused the efficiency to decrease by 10%. …"
احصل على النص الكامل
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3
Quantification of pv power and economic losses due to soiling in Qatar
منشور في 2021"…Soiling losses of photovoltaic (PV) panels due to dust lead to a significant decrease in solar energy yield and result in economic losses; this hence poses critical challenges to the viability of PV in smart grid systems. …"
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احصل على النص الكامل
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4
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5
EV impact on the residential distribution network with smart PV inverters
منشور في 2020"…Varying the inverter to PV ratio for smart operation from (1.1) to (2) further decreases the system losses. …"
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6
Investigation of solar PV performance under Doha weather using a customized measurement and monitoring system
منشور في 2016"…This would suggest cleaning needs and advise on cleaning frequencies of PV panels.…"
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7
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Long-term performance analysis and power prediction of PV technology in the State of Qatar
منشور في 2017"…Results show that due to panel dusting for eight months, the PV output power decreased by 50%. Also, owing to lower ambient temperatures, clearer sky and cleaner panels due to occasional rainfall, the PV panels show higher output power in Winter than in Summer season. …"
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احصل على النص الكامل
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9
Integration of temperature and dust effects in siting large PV power plant in hot arid area
منشور في 2013"…Recently, solar PV technologies witnessed a commercial vigor due to their tremendously decreasing prices. …"
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احصل على النص الكامل
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10
The impact of PV generation and load types on the impedance relays during both balanced and unbalanced faults
منشور في 2022"…When single line to ground fault occurs at the PV bus (far from relay location), the dynamic loads increase the relay impedance, while the PV plant decreases the relay impedance. …"
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احصل على النص الكامل
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11
Failure mode analysis for single-phase Multi-level qZSI interfacing PV system to utility grid
منشور في 2017"…Cascaded Multi-level inverter for synchronization of power generated from PV system to utility grid is reported in this paper. …"
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احصل على النص الكامل
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12
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13
Optimal Energy Dispatch Engine for PV-DG-ESS Hybrid Power Plants Considering Battery Degradation and Carbon Emissions
منشور في 2023"…To test the performance of the developed model, real-time load and photovoltaic (PV) data were used in conjunction with a PV-DG-ESS hybrid plant. …"
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احصل على النص الكامل
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14
Study of the effects of dust, relative humidity, and temperature on solar PV performance in Doha: Comparison between monocrystalline and amorphous PVS
منشور في 2013"…It was estimated that 100 days of dust accumulation over monocrystalline PV panels, caused the efficiency to decrease by around 10%. …"
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احصل على النص الكامل
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15
The simultaneous impact of EV charging and PV inverter reactive power on the hosting distribution system's performance: A case study in kuwait
منشور في 2020"…Varying the inverter to the PV ratio from 1.1 to 2 decreases system losses by 34% to 41%. …"
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احصل على النص الكامل
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16
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17
MODEL PREDICTIVE CONTROL STRATEGY FOR LEAKAGE CURRENT REDUCTION IN PHOTOVOLTAIC SYSTEMS: A STUDY ON PUC AND CSC INVERTER TOPOLOGIES
منشور في 2024"…This thesis focuses on studying a double-stage transformerless photovoltaic (PV) microinverter grid-connected system. The main concern when using a transformerless PV setup is the need to take safety measures, as this configuration can result in PV panel leakage current issues. …"
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18
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19
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20