O. S. Sastry
O. S. Sastry
Director General, Scientist "G"(Retd.)
Verified email at
Cited by
Cited by
Performance assessment of different solar photovoltaic technologies under similar outdoor conditions
V Sharma, A Kumar, OS Sastry, SS Chandel
Energy 58, 511-518, 2013
Estimation of solar radiation using a combination of Hidden Markov Model and generalized Fuzzy model
S Bhardwaj, V Sharma, S Srivastava, OS Sastry, B Bandyopadhyay, ...
Solar Energy 93, 43-54, 2013
Degradation of mono-crystalline photovoltaic modules after 22 years of outdoor exposure in the composite climate of India
P Rajput, GN Tiwari, OS Sastry, B Bora, V Sharma
Solar Energy 135, 786-795, 2016
Detection and characterisation of delamination in PV modules by active infrared thermography
A Sinha, OS Sastry, R Gupta
Nondestructive Testing and Evaluation 31 (1), 1-16, 2016
Visual degradation in field-aged crystalline silicon PV modules in India and correlation with electrical degradation
S Chattopadhyay, R Dubey, V Kuthanazhi, JJ John, CS Solanki, ...
IEEE Journal of photovoltaics 4 (6), 1470-1476, 2014
Performance analysis of field exposed single crystalline silicon modules
OS Sastry, S Saurabh, SK Shil, PC Pant, R Kumar, A Kumar, ...
Solar energy materials and solar cells 94 (9), 1463-1468, 2010
Degradation analysis of a-Si,(HIT) hetro-junction intrinsic thin layer silicon and mC-Si solar photovoltaic technologies under outdoor conditions
V Sharma, OS Sastry, A Kumar, B Bora, SS Chandel
Energy 72, 536-546, 2014
Nondestructive characterization of encapsulant discoloration effects in crystalline-silicon PV modules
A Sinha, OS Sastry, R Gupta
Solar Energy Materials and Solar Cells 155, 234-242, 2016
Comprehensive study of performance degradation of field‐mounted photovoltaic modules in India
R Dubey, S Chattopadhyay, V Kuthanazhi, A Kottantharayil, ...
Energy Science & Engineering 5 (1), 51-64, 2017
Effect of seasonal spectral variations on performance of three different photovoltaic technologies in India
DB Magare, OS Sastry, R Gupta, TR Betts, R Gottschalg, A Kumar, B Bora, ...
International Journal of Energy and Environmental Engineering 7 (1), 93-103, 2016
Performance degradation in field-aged crystalline silicon PV modules in different Indian climatic conditions
R Dubey, S Chattopadhyay, V Kuthanazhi, JJ John, J Vasi, ...
2014 IEEE 40th Photovoltaic Specialist Conference (PVSC), 3182-3187, 2014
Operational performance and degradation influenced life cycle environmental–economic metrics of mc-Si, a-Si and HIT photovoltaic arrays in hot semi-arid climates
P Rajput, M Malvoni, N Manoj Kumar, OS Sastry, A Jayakumar
Sustainability 12 (3), 1075, 2020
Optimum sizing and performance modeling of Solar Photovoltaic (SPV) water pumps for different climatic conditions
B Bora, B Prasad, OS Sastry, A Kumar, M Bangar
Solar Energy 155, 1326-1338, 2017
Energy and exergy performance evaluation of a typical solar photovoltaic module
AK Pandey, PC Pant, OS Sastry, A Kumar, SK Tyagi
Thermal Science 19 (suppl. 2), 625-636, 2015
Life cycle assessment of the 3.2 kW cadmium telluride (CdTe) photovoltaic system in composite climate of India
P Rajput, YK Singh, GN Tiwari, OS Sastry, S Dubey, K Pandey
Solar Energy 159, 415-422, 2018
Performance comparison of controllers for solar PV water pumping applications
K Yadav, OS Sastry, R Wandhare, N Sheth, M Kumar, B Bora, R Singh, ...
Solar Energy 119, 195-202, 2015
Energetic and exergetic performance analysis of CdS/CdTe based photovoltaic technology in real operating conditions of composite climate
R Rawat, SC Kaushik, OS Sastry, YK Singh, B Bora
Energy Conversion and Management 110, 42-50, 2016
All-India survey of photovoltaic module degradation: 2013
R Dubey, S Chattopadhyay, V Kuthanazhi, JJ John, BM Arora, ...
Report of National Centre for Photovoltaic Research and Education (NCPRE …, 2013
Thermal modelling and experimental validation of hot spot in crystalline silicon photovoltaic modules for real outdoor condition
P Rajput, GN Tiwari, OS Sastry
Solar Energy 139, 569-580, 2016
Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation
P Rajput, M Malvoni, NM Kumar, OS Sastry, GN Tiwari
Case Studies in Thermal Engineering 16, 100563, 2019
The system can't perform the operation now. Try again later.
Articles 1–20